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Unknown  |  1992-06-06  |  353.0 KB

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66% dexvert OS/2 Installation Package (archive/os2InstallPackage) ext Supported
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100% file data default



hex view
+--------+-------------------------+-------------------------+--------+--------+
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|00001460| 65 6e 74 61 74 6f 72 7b | 43 6f 6c 2e 20 4a 2e 4c |entator{|Col. J.L|
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|00001490| 28 63 29 20 59 65 61 72 | 62 6f 6f 6b 20 4d 65 64 |(c) Year|book Med|
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|000014b0| 20 49 6e 63 2e 2c 20 31 | 39 39 30 0d 0a 0d 0a 31 | Inc., 1|990....1|
|000014c0| 39 39 30 20 59 65 61 72 | 20 42 6f 6f 6b 20 6f 66 |990 Year| Book of|
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|000014e0| 20 28 52 29 0d 0a 0d 0a | 43 68 61 70 74 65 72 20 | (R)....|Chapter |
|000014f0| 31 2d 2d 42 69 6f 6d 65 | 63 68 61 6e 69 63 73 0d |1--Biome|chanics.|
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|00001520| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001530| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001540| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001550| 2d 0d 0a 4a 6f 69 6e 74 | 20 55 73 65 20 61 6e 64 |-..Joint| Use and|
|00001560| 20 4d 69 73 75 73 65 0d | 0a 0d 0a 52 61 64 69 6e | Misuse.|...Radin|
|00001570| 20 45 4c 3b 20 59 61 6e | 67 20 4b 48 3b 20 57 68 | EL; Yan|g KH; Wh|
|00001580| 69 74 74 6c 65 20 4d 57 | 3b 20 4f 27 43 6f 6e 6e |ittle MW|; O'Conn|
|00001590| 65 72 20 4a 4a 3b 20 52 | 69 65 67 65 72 20 43 0d |er JJ; R|ieger C.|
|000015a0| 0a 28 57 65 73 74 20 56 | 69 72 67 69 6e 69 61 20 |.(West V|irginia |
|000015b0| 55 6e 69 76 29 0d 0a 49 | 6e 74 20 4a 20 53 70 6f |Univ)..I|nt J Spo|
|000015c0| 72 74 73 20 4d 65 64 20 | 31 30 3a 53 38 35 2d 53 |rts Med |10:S85-S|
|000015d0| 38 36 2c 20 31 39 38 39 | 0d 0a 2d 2d 2d 2d 2d 2d |86, 1989|..------|
|000015e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000015f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001600| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001610| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001620| 2d 2d 2d 2d 2d 2d 2d 2d | 0d 0a 0d 0a 41 62 73 74 |--------|....Abst|
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|00001b20| 50 6f 73 74 2d 43 6f 6d | 6d 65 6e 74 0d 0a 0d 0a |Post-Com|ment....|
|00001b30| 20 20 20 20 20 54 68 65 | 20 37 20 73 75 62 6a 65 | The| 7 subje|
|00001b40| 63 74 73 20 77 68 6f 20 | 64 65 6d 6f 6e 73 74 72 |cts who |demonstr|
|00001b50| 61 74 65 64 20 61 6e 20 | 69 6d 70 75 6c 73 69 76 |ated an |impulsiv|
|00001b60| 65 20 70 65 61 6b 20 69 | 6e 20 67 72 6f 75 6e 64 |e peak i|n ground|
|00001b70| 20 72 65 61 63 74 69 6f | 6e 0d 0a 66 6f 72 63 65 | reactio|n..force|
|00001b80| 20 61 6e 64 20 61 63 63 | 65 6c 65 72 61 74 69 6f | and acc|eleratio|
|00001b90| 6e 20 61 74 20 68 65 65 | 6c 73 74 72 69 6b 65 20 |n at hee|lstrike |
|00001ba0| 77 65 72 65 20 64 65 6d | 6f 6e 73 74 72 61 74 69 |were dem|onstrati|
|00001bb0| 6e 67 20 6d 69 6e 6f 72 | 20 69 6e 63 6f 6f 72 64 |ng minor| incoord|
|00001bc0| 69 6e 61 74 69 6f 6e 0d | 0a 69 6e 20 74 68 61 74 |ination.|.in that|
|00001bd0| 20 74 68 65 79 20 68 61 | 64 20 6e 6f 74 20 6c 65 | they ha|d not le|
|00001be0| 61 72 6e 65 64 20 74 6f | 20 75 73 65 20 74 68 65 |arned to| use the|
|00001bf0| 20 71 75 61 64 72 69 63 | 65 70 73 20 6d 75 73 63 | quadric|eps musc|
|00001c00| 6c 65 73 20 74 6f 20 64 | 65 63 65 6c 65 72 61 74 |les to d|ecelerat|
|00001c10| 65 20 74 68 65 0d 0a 66 | 6f 6f 74 20 62 65 66 6f |e the..f|oot befo|
|00001c20| 72 65 20 68 65 65 6c 73 | 74 72 69 6b 65 2c 20 61 |re heels|trike, a|
|00001c30| 6e 64 20 74 68 69 73 20 | 69 6d 70 75 6c 73 69 76 |nd this |impulsiv|
|00001c40| 65 6c 79 20 6c 6f 61 64 | 73 20 74 68 65 20 6a 6f |ely load|s the jo|
|00001c50| 69 6e 74 73 2e 20 20 54 | 68 65 20 61 75 74 68 6f |ints. T|he autho|
|00001c60| 72 73 0d 0a 62 65 6c 69 | 65 76 65 20 74 68 61 74 |rs..beli|eve that|
|00001c70| 20 74 68 65 20 6d 61 69 | 6e 20 73 68 6f 63 6b 20 | the mai|n shock |
|00001c80| 61 62 73 6f 72 62 69 6e | 67 20 6d 65 63 68 61 6e |absorbin|g mechan|
|00001c90| 69 73 6d 73 20 61 72 65 | 20 65 63 63 65 6e 74 72 |isms are| eccentr|
|00001ca0| 69 63 20 6d 75 73 63 6c | 65 20 61 63 74 69 6f 6e |ic muscl|e action|
|00001cb0| 0d 0a 61 6e 64 20 64 65 | 63 65 6c 65 72 61 74 69 |..and de|celerati|
|00001cc0| 6f 6e 20 6f 66 20 74 68 | 65 20 6c 69 6d 62 20 62 |on of th|e limb b|
|00001cd0| 65 66 6f 72 65 20 63 6f | 6e 74 61 63 74 20 77 69 |efore co|ntact wi|
|00001ce0| 74 68 20 61 20 73 75 72 | 66 61 63 65 2e 20 20 54 |th a sur|face. T|
|00001cf0| 68 69 73 0d 0a 69 6e 63 | 6f 6f 72 64 69 6e 61 74 |his..inc|oordinat|
|00001d00| 69 6f 6e 20 69 73 20 61 | 73 73 6f 63 69 61 74 65 |ion is a|ssociate|
|00001d10| 64 20 77 69 74 68 20 74 | 68 65 20 61 67 69 6e 67 |d with t|he aging|
|00001d20| 20 70 72 6f 63 65 73 73 | 2e 20 20 4f 66 74 65 6e | process|. Often|
|00001d30| 2c 20 61 73 20 70 65 6f | 70 6c 65 20 61 67 65 0d |, as peo|ple age.|
|00001d40| 0a 74 68 65 79 20 73 74 | 6f 70 20 77 61 6c 6b 69 |.they st|op walki|
|00001d50| 6e 67 20 75 70 20 6f 72 | 20 64 6f 77 6e 20 73 74 |ng up or| down st|
|00001d60| 61 69 72 73 20 61 6e 64 | 20 74 68 65 20 71 75 61 |airs and| the qua|
|00001d70| 64 72 69 63 65 70 73 20 | 77 65 61 6b 65 6e 2c 20 |driceps |weaken, |
|00001d80| 69 6d 70 75 6c 73 69 76 | 65 0d 0a 6c 6f 61 64 69 |impulsiv|e..loadi|
|00001d90| 6e 67 20 69 6e 63 72 65 | 61 73 65 73 2c 20 61 6e |ng incre|ases, an|
|00001da0| 64 20 6f 73 74 65 6f 61 | 72 74 68 72 69 74 69 73 |d osteoa|rthritis|
|00001db0| 20 64 65 76 65 6c 6f 70 | 73 2e 20 20 4f 73 74 65 | develop|s. Oste|
|00001dc0| 6f 61 72 74 68 72 69 74 | 69 73 20 69 73 20 6e 6f |oarthrit|is is no|
|00001dd0| 74 20 61 0d 0a 64 69 73 | 65 61 73 65 3b 20 72 61 |t a..dis|ease; ra|
|00001de0| 74 68 65 72 2c 20 69 74 | 20 69 73 20 6f 72 67 61 |ther, it| is orga|
|00001df0| 6e 20 66 61 69 6c 75 72 | 65 20 6f 66 20 74 68 65 |n failur|e of the|
|00001e00| 20 6a 6f 69 6e 74 20 61 | 73 20 61 20 72 65 73 75 | joint a|s a resu|
|00001e10| 6c 74 20 6f 66 20 6d 65 | 63 68 61 6e 69 63 61 6c |lt of me|chanical|
|00001e20| 0d 0a 63 69 72 63 75 6d | 73 74 61 6e 63 65 73 2e |..circum|stances.|
|00001e30| 2d 2d 43 6f 6c 2e 20 4a | 2e 4c 2e 20 41 6e 64 65 |--Col. J|.L. Ande|
|00001e40| 72 73 6f 6e 2c 20 50 45 | 2e 44 2e 0d 0a 24 55 6e |rson, PE|.D...$Un|
|00001e50| 69 71 75 65 5f 49 44 7b | 59 52 42 31 32 36 30 32 |ique_ID{|YRB12602|
|00001e60| 7d 0d 0a 24 54 69 74 6c | 65 7b 49 6e 66 6c 75 65 |}..$Titl|e{Influe|
|00001e70| 6e 63 65 20 6f 66 20 47 | 61 69 74 20 50 61 72 61 |nce of G|ait Para|
|00001e80| 6d 65 74 65 72 73 20 6f | 6e 20 74 68 65 20 4c 6f |meters o|n the Lo|
|00001e90| 61 64 69 6e 67 20 6f 66 | 20 74 68 65 20 4c 6f 77 |ading of| the Low|
|00001ea0| 65 72 20 4c 69 6d 62 7d | 0d 0a 24 41 75 74 68 6f |er Limb}|..$Autho|
|00001eb0| 72 7b 43 6f 6c 6c 69 6e | 73 2c 20 4a 4a 0d 0a 57 |r{Collin|s, JJ..W|
|00001ec0| 68 69 74 74 6c 65 2c 20 | 4d 57 7d 0d 0a 24 41 66 |hittle, |MW}..$Af|
|00001ed0| 66 69 6c 69 61 74 69 6f | 6e 7b 4e 75 66 66 69 65 |filiatio|n{Nuffie|
|00001ee0| 6c 64 20 4f 72 74 68 6f | 70 61 65 64 69 63 20 43 |ld Ortho|paedic C|
|00001ef0| 74 72 2c 20 4f 78 66 6f | 72 64 2c 20 45 6e 67 6c |tr, Oxfo|rd, Engl|
|00001f00| 61 6e 64 3b 20 55 6e 69 | 76 20 6f 66 20 4f 78 66 |and; Uni|v of Oxf|
|00001f10| 6f 72 64 7d 0d 0a 24 4a | 6f 75 72 6e 61 6c 7b 4a |ord}..$J|ournal{J|
|00001f20| 20 42 69 6f 6d 65 64 20 | 45 6e 67 7d 0d 0a 24 56 | Biomed |Eng}..$V|
|00001f30| 6f 6c 75 6d 65 7b 31 31 | 7d 0d 0a 24 50 61 67 65 |olume{11|}..$Page|
|00001f40| 7b 34 30 39 2d 34 31 32 | 7d 0d 0a 24 44 61 74 65 |{409-412|}..$Date|
|00001f50| 7b 53 65 70 74 65 6d 62 | 65 72 20 31 39 38 39 7d |{Septemb|er 1989}|
|00001f60| 0d 0a 24 59 42 56 6f 6c | 7b 31 39 39 30 20 59 65 |..$YBVol|{1990 Ye|
|00001f70| 61 72 20 42 6f 6f 6b 20 | 6f 66 20 53 70 6f 72 74 |ar Book |of Sport|
|00001f80| 73 20 4d 65 64 69 63 69 | 6e 65 7d 0d 0a 24 43 68 |s Medici|ne}..$Ch|
|00001f90| 61 70 74 65 72 7b 31 2d | 33 7d 0d 0a 24 59 42 45 |apter{1-|3}..$YBE|
|00001fa0| 64 69 74 6f 72 7b 44 72 | 73 2e 20 53 68 65 70 68 |ditor{Dr|s. Sheph|
|00001fb0| 61 72 64 2c 20 45 69 63 | 68 6e 65 72 2c 20 53 75 |ard, Eic|hner, Su|
|00001fc0| 74 74 6f 6e 2c 20 61 6e | 64 20 54 6f 72 67 2c 20 |tton, an|d Torg, |
|00001fd0| 43 6f 6c 2e 20 41 6e 64 | 65 72 73 6f 6e 2c 20 61 |Col. And|erson, a|
|00001fe0| 6e 64 20 4d 72 2e 20 47 | 65 6f 72 67 65 7d 0d 0a |nd Mr. G|eorge}..|
|00001ff0| 24 54 61 62 6c 65 7b 54 | 61 62 6c 65 20 4f 6d 69 |$Table{T|able Omi|
|00002000| 74 74 65 64 7d 0d 0a 24 | 43 6f 6d 6d 65 6e 74 61 |tted}..$|Commenta|
|00002010| 74 6f 72 7b 43 6f 6c 2e | 20 4a 2e 4c 2e 20 41 6e |tor{Col.| J.L. An|
|00002020| 64 65 72 73 6f 6e 2c 20 | 50 45 2e 44 2e 7d 0d 0a |derson, |PE.D.}..|
|00002030| 0d 0a 43 6f 70 79 72 69 | 67 68 74 20 28 63 29 20 |..Copyri|ght (c) |
|00002040| 59 65 61 72 62 6f 6f 6b | 20 4d 65 64 69 63 61 6c |Yearbook| Medical|
|00002050| 20 50 75 62 6c 69 73 68 | 65 72 73 2c 20 49 6e 63 | Publish|ers, Inc|
|00002060| 2e 2c 20 31 39 39 30 0d | 0a 0d 0a 31 39 39 30 20 |., 1990.|...1990 |
|00002070| 59 65 61 72 20 42 6f 6f | 6b 20 6f 66 20 53 70 6f |Year Boo|k of Spo|
|00002080| 72 74 73 20 4d 65 64 69 | 63 69 6e 65 20 28 52 29 |rts Medi|cine (R)|
|00002090| 0d 0a 0d 0a 43 68 61 70 | 74 65 72 20 31 2d 2d 42 |....Chap|ter 1--B|
|000020a0| 69 6f 6d 65 63 68 61 6e | 69 63 73 0d 0a 0d 0a 2d |iomechan|ics....-|
|000020b0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000020c0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000020d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000020e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000020f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 0d 0a 49 |--------|-----..I|
|00002100| 6e 66 6c 75 65 6e 63 65 | 20 6f 66 20 47 61 69 74 |nfluence| of Gait|
|00002110| 20 50 61 72 61 6d 65 74 | 65 72 73 20 6f 6e 20 74 | Paramet|ers on t|
|00002120| 68 65 20 4c 6f 61 64 69 | 6e 67 20 6f 66 20 74 68 |he Loadi|ng of th|
|00002130| 65 20 4c 6f 77 65 72 20 | 4c 69 6d 62 0d 0a 0d 0a |e Lower |Limb....|
|00002140| 43 6f 6c 6c 69 6e 73 20 | 4a 4a 3b 20 57 68 69 74 |Collins |JJ; Whit|
|00002150| 74 6c 65 20 4d 57 0d 0a | 28 4e 75 66 66 69 65 6c |tle MW..|(Nuffiel|
|00002160| 64 20 4f 72 74 68 6f 70 | 61 65 64 69 63 20 43 74 |d Orthop|aedic Ct|
|00002170| 72 2c 20 4f 78 66 6f 72 | 64 2c 20 45 6e 67 6c 61 |r, Oxfor|d, Engla|
|00002180| 6e 64 3b 20 55 6e 69 76 | 20 6f 66 20 4f 78 66 6f |nd; Univ| of Oxfo|
|00002190| 72 64 29 0d 0a 4a 20 42 | 69 6f 6d 65 64 20 45 6e |rd)..J B|iomed En|
|000021a0| 67 20 31 31 3a 34 30 39 | 2d 34 31 32 2c 20 53 65 |g 11:409|-412, Se|
|000021b0| 70 74 65 6d 62 65 72 20 | 31 39 38 39 0d 0a 2d 2d |ptember |1989..--|
|000021c0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000021d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000021e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000021f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002200| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 0d 0a 0d 0a |--------|----....|
|00002210| 41 62 73 74 72 61 63 74 | 0d 0a 0d 0a 20 20 20 20 |Abstract|.... |
|00002220| 20 54 68 65 20 73 75 70 | 70 6f 72 74 20 6f 66 20 | The sup|port of |
|00002230| 74 68 65 20 77 65 69 67 | 68 74 20 6f 66 20 74 68 |the weig|ht of th|
|00002240| 65 20 62 6f 64 79 20 61 | 6e 64 20 61 63 63 65 6c |e body a|nd accel|
|00002250| 65 72 61 74 69 6f 6e 20 | 6f 66 20 74 68 65 20 62 |eration |of the b|
|00002260| 6f 64 79 0d 0a 63 6f 6d | 70 72 69 73 65 20 74 68 |ody..com|prise th|
|00002270| 65 20 67 72 6f 75 6e 64 | 20 72 65 61 63 74 69 6f |e ground| reactio|
|00002280| 6e 20 66 6f 72 63 65 20 | 74 68 61 74 20 61 63 74 |n force |that act|
|00002290| 73 20 6f 6e 20 74 68 65 | 20 66 6f 6f 74 20 64 75 |s on the| foot du|
|000022a0| 72 69 6e 67 20 77 61 6c | 6b 69 6e 67 2e 20 20 54 |ring wal|king. T|
|000022b0| 6f 0d 0a 69 6e 76 65 73 | 74 69 67 61 74 65 20 74 |o..inves|tigate t|
|000022c0| 68 65 20 6c 6f 61 64 69 | 6e 67 20 72 61 74 65 20 |he loadi|ng rate |
|000022d0| 6f 66 20 74 68 65 20 6c | 6f 77 65 72 20 6c 69 6d |of the l|ower lim|
|000022e0| 62 20 64 75 72 69 6e 67 | 20 6c 6f 61 64 20 61 63 |b during| load ac|
|000022f0| 63 65 70 74 61 6e 63 65 | 20 61 6e 64 20 74 6f 0d |ceptance| and to.|
|00002300| 0a 64 65 74 65 72 6d 69 | 6e 65 20 69 74 73 20 72 |.determi|ne its r|
|00002310| 65 6c 61 74 69 6f 6e 73 | 68 69 70 20 77 69 74 68 |elations|hip with|
|00002320| 20 63 61 64 65 6e 63 65 | 2c 20 73 74 72 69 64 65 | cadence|, stride|
|00002330| 20 6c 65 6e 67 74 68 2c | 20 61 6e 64 20 76 65 6c | length,| and vel|
|00002340| 6f 63 69 74 79 2c 20 73 | 74 75 64 69 65 73 0d 0a |ocity, s|tudies..|
|00002350| 77 65 72 65 20 6d 61 64 | 65 20 69 6e 20 31 33 20 |were mad|e in 13 |
|00002360| 68 65 61 6c 74 68 79 20 | 6d 65 6e 20 61 67 65 64 |healthy |men aged|
|00002370| 20 31 38 2d 36 33 20 79 | 65 61 72 73 2e 20 20 45 | 18-63 y|ears. E|
|00002380| 61 63 68 20 6d 61 6e 20 | 77 61 6c 6b 65 64 20 61 |ach man |walked a|
|00002390| 74 20 35 20 64 69 66 66 | 65 72 65 6e 74 0d 0a 73 |t 5 diff|erent..s|
|000023a0| 65 6c 66 2d 73 65 6c 65 | 63 74 65 64 20 73 70 65 |elf-sele|cted spe|
|000023b0| 65 64 73 2e 20 20 50 6c | 6f 74 73 20 6f 66 20 74 |eds. Pl|ots of t|
|000023c0| 68 65 20 67 72 6f 75 6e | 64 20 72 65 61 63 74 69 |he groun|d reacti|
|000023d0| 6f 6e 20 66 6f 72 63 65 | 20 77 65 72 65 20 75 73 |on force| were us|
|000023e0| 65 64 20 74 6f 0d 0a 64 | 65 74 65 72 6d 69 6e 65 |ed to..d|etermine|
|000023f0| 20 74 68 65 20 6c 6f 61 | 64 69 6e 67 20 72 61 74 | the loa|ding rat|
|00002400| 65 20 6f 66 20 74 68 65 | 20 6c 69 6d 62 2e 0d 0a |e of the| limb...|
|00002410| 20 20 20 20 20 56 65 6c | 6f 63 69 74 79 20 68 61 | Vel|ocity ha|
|00002420| 64 20 74 68 65 20 68 69 | 67 68 65 73 74 20 63 6f |d the hi|ghest co|
|00002430| 72 72 65 6c 61 74 69 6f | 6e 20 77 69 74 68 20 6c |rrelatio|n with l|
|00002440| 6f 61 64 69 6e 67 20 72 | 61 74 65 2c 20 61 6e 64 |oading r|ate, and|
|00002450| 20 73 74 72 69 64 65 20 | 6c 65 6e 67 74 68 0d 0a | stride |length..|
|00002460| 68 61 64 20 74 68 65 20 | 6c 6f 77 65 73 74 20 63 |had the |lowest c|
|00002470| 6f 72 72 65 6c 61 74 69 | 6f 6e 2e 20 20 43 61 64 |orrelati|on. Cad|
|00002480| 65 6e 63 65 20 61 6e 64 | 20 6c 6f 61 64 69 6e 67 |ence and| loading|
|00002490| 20 72 61 74 65 20 68 61 | 64 20 61 20 6e 6f 6e 6c | rate ha|d a nonl|
|000024a0| 69 6e 65 61 72 0d 0a 72 | 65 6c 61 74 69 6f 6e 73 |inear..r|elations|
|000024b0| 68 69 70 20 28 46 69 67 | 20 31 2d 31 29 2e 20 20 |hip (Fig| 1-1). |
|000024c0| 54 68 65 20 69 6e 69 74 | 69 61 6c 20 6c 6f 61 64 |The init|ial load|
|000024d0| 69 6e 67 20 70 68 61 73 | 65 20 6f 66 20 77 61 6c |ing phas|e of wal|
|000024e0| 6b 69 6e 67 20 61 70 70 | 65 61 72 73 20 74 6f 20 |king app|ears to |
|000024f0| 62 65 0d 0a 73 69 6d 69 | 6c 61 72 20 61 6d 6f 6e |be..simi|lar amon|
|00002500| 67 20 6e 6f 72 6d 61 6c | 20 70 65 72 73 6f 6e 73 |g normal| persons|
|00002510| 2e 20 20 54 68 65 73 65 | 20 62 61 73 65 6c 69 6e |. These| baselin|
|00002520| 65 20 64 61 74 61 20 63 | 61 6e 20 62 65 20 75 73 |e data c|an be us|
|00002530| 65 64 20 69 6e 20 6d 6f | 72 65 0d 0a 64 65 74 61 |ed in mo|re..deta|
|00002540| 69 6c 65 64 20 69 6e 76 | 65 73 74 69 67 61 74 69 |iled inv|estigati|
|00002550| 6f 6e 73 20 6f 66 20 74 | 68 65 20 68 65 65 6c 73 |ons of t|he heels|
|00002560| 74 72 69 6b 65 20 74 72 | 61 6e 73 69 65 6e 74 2e |trike tr|ansient.|
|00002570| 20 20 41 20 62 65 74 74 | 65 72 20 75 6e 64 65 72 | A bett|er under|
|00002580| 73 74 61 6e 64 69 6e 67 | 0d 0a 6f 66 20 74 68 65 |standing|..of the|
|00002590| 20 6d 65 63 68 61 6e 69 | 63 73 20 6f 66 20 77 61 | mechani|cs of wa|
|000025a0| 6c 6b 69 6e 67 20 61 6e | 64 20 61 20 64 65 66 69 |lking an|d a defi|
|000025b0| 6e 65 64 20 6e 6f 72 6d | 61 74 69 76 65 20 64 61 |ned norm|ative da|
|000025c0| 74 61 62 61 73 65 20 61 | 72 65 20 6e 65 65 64 65 |tabase a|re neede|
|000025d0| 64 20 66 6f 72 0d 0a 6d | 6f 72 65 20 65 66 66 65 |d for..m|ore effe|
|000025e0| 63 74 69 76 65 20 61 73 | 73 65 73 73 6d 65 6e 74 |ctive as|sessment|
|000025f0| 20 6f 66 20 70 61 74 68 | 6f 6c 6f 67 69 63 20 67 | of path|ologic g|
|00002600| 61 69 74 73 20 61 6e 64 | 20 74 68 65 20 70 72 65 |aits and| the pre|
|00002610| 76 65 6e 74 69 6f 6e 20 | 6f 66 20 6a 6f 69 6e 74 |vention |of joint|
|00002620| 0d 0a 77 65 61 72 2e 0d | 0a 0d 0a 50 6f 73 74 2d |..wear..|...Post-|
|00002630| 43 6f 6d 6d 65 6e 74 0d | 0a 0d 0a 20 20 20 20 20 |Comment.|... |
|00002640| 52 65 70 65 74 69 74 69 | 76 65 20 69 6d 70 75 6c |Repetiti|ve impul|
|00002650| 73 69 76 65 20 6c 6f 61 | 64 69 6e 67 2c 20 73 75 |sive loa|ding, su|
|00002660| 63 68 20 61 73 20 74 68 | 61 74 20 65 78 70 65 72 |ch as th|at exper|
|00002670| 69 65 6e 63 65 64 20 64 | 75 72 69 6e 67 20 77 61 |ienced d|uring wa|
|00002680| 6c 6b 69 6e 67 2c 0d 0a | 68 61 73 20 62 65 65 6e |lking,..|has been|
|00002690| 20 6c 69 6e 6b 65 64 20 | 77 69 74 68 20 74 68 65 | linked |with the|
|000026a0| 20 65 74 69 6f 6c 6f 67 | 79 20 61 6e 64 20 70 72 | etiolog|y and pr|
|000026b0| 6f 67 72 65 73 73 69 6f | 6e 20 6f 66 20 61 20 76 |ogressio|n of a v|
|000026c0| 61 72 69 65 74 79 20 6f | 66 20 70 61 74 68 6f 6c |ariety o|f pathol|
|000026d0| 6f 67 69 63 0d 0a 63 6f | 6e 64 69 74 69 6f 6e 73 |ogic..co|nditions|
|000026e0| 2c 20 69 6e 20 70 61 72 | 74 69 63 75 6c 61 72 2c |, in par|ticular,|
|000026f0| 20 6f 73 74 65 6f 61 72 | 74 68 72 69 74 69 73 20 | osteoar|thritis |
|00002700| 61 6e 64 20 6c 6f 77 20 | 62 61 63 6b 20 70 61 69 |and low |back pai|
|00002710| 6e 2e 20 20 52 61 64 69 | 6e 20 65 74 20 61 6c 2e |n. Radi|n et al.|
|00002720| 0d 0a 28 41 62 73 74 72 | 61 63 74 20 31 2d 32 29 |..(Abstr|act 1-2)|
|00002730| 20 66 6f 75 6e 64 20 74 | 68 61 74 20 69 6e 63 6f | found t|hat inco|
|00002740| 6f 72 64 69 6e 61 74 69 | 6f 6e 20 61 70 70 65 61 |ordinati|on appea|
|00002750| 72 73 20 74 6f 20 62 65 | 20 72 65 73 70 6f 6e 73 |rs to be| respons|
|00002760| 69 62 6c 65 20 66 6f 72 | 0d 0a 69 6d 70 75 6c 73 |ible for|..impuls|
|00002770| 69 76 65 20 70 65 61 6b | 20 69 6e 20 67 72 6f 75 |ive peak| in grou|
|00002780| 6e 64 20 72 65 61 63 74 | 69 6f 6e 20 66 6f 72 63 |nd react|ion forc|
|00002790| 65 20 61 6e 64 20 61 63 | 63 65 6c 65 72 61 74 69 |e and ac|celerati|
|000027a0| 6f 6e 20 61 74 20 68 65 | 65 6c 73 74 72 69 6b 65 |on at he|elstrike|
|000027b0| 2e 0d 0a 48 6f 77 65 76 | 65 72 2c 20 74 68 65 20 |...Howev|er, the |
|000027c0| 61 75 74 68 6f 72 73 20 | 6f 66 20 74 68 65 20 70 |authors |of the p|
|000027d0| 72 65 73 65 6e 74 20 73 | 74 75 64 79 20 75 73 65 |resent s|tudy use|
|000027e0| 64 20 61 20 66 6f 72 63 | 65 20 70 6c 61 74 66 6f |d a forc|e platfo|
|000027f0| 72 6d 20 74 68 61 74 20 | 73 61 6d 70 6c 65 64 0d |rm that |sampled.|
|00002800| 0a 64 61 74 61 20 6f 6e | 6c 79 20 61 74 20 35 30 |.data on|ly at 50|
|00002810| 20 48 7a 20 74 6f 6f 20 | 6c 6f 77 20 74 6f 20 61 | Hz too |low to a|
|00002820| 63 63 75 72 61 74 65 6c | 79 20 6d 65 61 73 75 72 |ccuratel|y measur|
|00002830| 65 20 74 68 65 20 68 69 | 67 68 2d 66 72 65 71 75 |e the hi|gh-frequ|
|00002840| 65 6e 63 79 20 69 6d 70 | 75 6c 73 69 76 65 0d 0a |ency imp|ulsive..|
|00002850| 6c 6f 61 64 20 61 74 20 | 68 65 65 6c 73 74 72 69 |load at |heelstri|
|00002860| 6b 65 3b 20 74 68 75 73 | 20 74 68 65 69 72 20 64 |ke; thus| their d|
|00002870| 61 74 61 20 77 65 72 65 | 20 6e 6f 74 20 61 76 61 |ata were| not ava|
|00002880| 69 6c 61 62 6c 65 20 66 | 6f 72 20 75 73 65 20 69 |ilable f|or use i|
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|000043e0| 0a 24 44 61 74 65 7b 31 | 39 38 39 7d 0d 0a 24 59 |.$Date{1|989}..$Y|
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|00004440| 20 45 69 63 68 6e 65 72 | 2c 20 53 75 74 74 6f 6e | Eichner|, Sutton|
|00004450| 2c 20 61 6e 64 20 54 6f | 72 67 2c 20 43 6f 6c 2e |, and To|rg, Col.|
|00004460| 20 41 6e 64 65 72 73 6f | 6e 2c 20 61 6e 64 20 4d | Anderso|n, and M|
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|000044a0| 43 6f 6c 2e 20 4a 2e 4c | 2e 20 41 6e 64 65 72 73 |Col. J.L|. Anders|
|000044b0| 6f 6e 2c 20 50 45 2e 44 | 2e 7d 0d 0a 0d 0a 43 6f |on, PE.D|.}....Co|
|000044c0| 70 79 72 69 67 68 74 20 | 28 63 29 20 59 65 61 72 |pyright |(c) Year|
|000044d0| 62 6f 6f 6b 20 4d 65 64 | 69 63 61 6c 20 50 75 62 |book Med|ical Pub|
|000044e0| 6c 69 73 68 65 72 73 2c | 20 49 6e 63 2e 2c 20 31 |lishers,| Inc., 1|
|000044f0| 39 39 30 0d 0a 0d 0a 31 | 39 39 30 20 59 65 61 72 |990....1|990 Year|
|00004500| 20 42 6f 6f 6b 20 6f 66 | 20 53 70 6f 72 74 73 20 | Book of| Sports |
|00004510| 4d 65 64 69 63 69 6e 65 | 20 28 52 29 0d 0a 0d 0a |Medicine| (R)....|
|00004520| 43 68 61 70 74 65 72 20 | 31 2d 2d 42 69 6f 6d 65 |Chapter |1--Biome|
|00004530| 63 68 61 6e 69 63 73 0d | 0a 0d 0a 2d 2d 2d 2d 2d |chanics.|...-----|
|00004540| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
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|00004560| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004570| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004580| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 0d 0a 54 68 65 20 41 |--------|-..The A|
|00004590| 70 70 72 6f 70 72 69 61 | 74 65 20 55 73 65 20 6f |ppropria|te Use o|
|000045a0| 66 20 52 65 67 72 65 73 | 73 69 6f 6e 20 45 71 75 |f Regres|sion Equ|
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|000045c0| 73 74 69 6d 61 74 69 6f | 6e 20 6f 66 20 53 65 67 |stimatio|n of Seg|
|000045d0| 6d 65 6e 74 61 6c 0d 0a | 49 6e 65 72 74 69 61 20 |mental..|Inertia |
|000045e0| 50 61 72 61 6d 65 74 65 | 72 73 0d 0a 0d 0a 59 65 |Paramete|rs....Ye|
|000045f0| 61 64 6f 6e 20 4d 52 3b | 20 4d 6f 72 6c 6f 63 6b |adon MR;| Morlock|
|00004600| 20 4d 0d 0a 28 55 6e 69 | 76 20 6f 66 20 43 61 6c | M..(Uni|v of Cal|
|00004610| 67 61 72 79 2c 20 41 6c | 74 61 29 0d 0a 4a 20 42 |gary, Al|ta)..J B|
|00004620| 69 6f 6d 65 63 68 20 32 | 32 3a 36 38 33 2d 36 38 |iomech 2|2:683-68|
|00004630| 39 2c 20 31 39 38 39 0d | 0a 2d 2d 2d 2d 2d 2d 2d |9, 1989.|.-------|
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|00004660| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004670| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004680| 2d 2d 2d 2d 2d 2d 2d 0d | 0a 0d 0a 41 62 73 74 72 |-------.|...Abstr|
|00004690| 61 63 74 0d 0a 0d 0a 20 | 20 20 20 20 4c 69 6e 65 |act.... | Line|
|000046a0| 61 72 20 72 65 67 72 65 | 73 73 69 6f 6e 20 65 71 |ar regre|ssion eq|
|000046b0| 75 61 74 69 6f 6e 73 20 | 61 72 65 20 6f 66 74 65 |uations |are ofte|
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|000046d0| 63 74 69 6f 6e 20 77 69 | 74 68 0d 0a 65 78 70 65 |ction wi|th..expe|
|000046e0| 72 69 6d 65 6e 74 61 6c | 20 64 61 74 61 20 74 6f |rimental| data to|
|000046f0| 20 70 72 6f 76 69 64 65 | 20 6c 69 6e 65 61 72 20 | provide| linear |
|00004700| 72 65 6c 61 74 69 6f 6e | 73 68 69 70 73 20 62 65 |relation|ships be|
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|00004770| 0a 70 72 6f 76 69 64 65 | 20 67 6f 6f 64 20 65 73 |.provide| good es|
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|00004960| 20 20 20 20 20 53 74 61 | 6e 64 61 72 64 20 65 72 | Sta|ndard er|
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|00004d40| 2d 43 6f 6c 2e 20 4a 2e | 4c 2e 0d 0a 41 6e 64 65 |-Col. J.|L...Ande|
|00004d50| 72 73 6f 6e 2c 20 50 45 | 2e 44 2e 0d 0a 24 55 6e |rson, PE|.D...$Un|
|00004d60| 69 71 75 65 5f 49 44 7b | 59 52 42 31 32 36 30 36 |ique_ID{|YRB12606|
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|00004de0| 2c 20 41 0d 0a 4d 61 72 | 63 2c 20 52 0d 0a 4d 6f |, A..Mar|c, R..Mo|
|00004df0| 6e 6f 64 2c 20 48 0d 0a | 4d 61 6e 74 6f 6e 69 2c |nod, H..|Mantoni,|
|00004e00| 20 4d 0d 0a 53 61 6c 74 | 69 6e 2c 20 42 7d 0d 0a | M..Salt|in, B}..|
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|00004e20| 76 20 6f 66 20 43 6f 70 | 65 6e 68 61 67 65 6e 3b |v of Cop|enhagen;|
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|00004e40| 67 73 68 6f 73 70 69 74 | 61 6c 65 74 2c 20 43 6f |gshospit|alet, Co|
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|00004e60| 6e 61 6c 7b 49 6e 74 20 | 4a 20 53 70 6f 72 74 73 |nal{Int |J Sports|
|00004e70| 20 4d 65 64 7d 0d 0a 24 | 56 6f 6c 75 6d 65 7b 31 | Med}..$|Volume{1|
|00004e80| 30 7d 0d 0a 24 50 61 67 | 65 7b 53 39 33 2d 53 39 |0}..$Pag|e{S93-S9|
|00004e90| 34 7d 0d 0a 24 44 61 74 | 65 7b 31 39 38 39 7d 0d |4}..$Dat|e{1989}.|
|00004ea0| 0a 24 59 42 56 6f 6c 7b | 31 39 39 30 20 59 65 61 |.$YBVol{|1990 Yea|
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|00004ec0| 20 4d 65 64 69 63 69 6e | 65 7d 0d 0a 24 43 68 61 | Medicin|e}..$Cha|
|00004ed0| 70 74 65 72 7b 31 2d 37 | 7d 0d 0a 24 59 42 45 64 |pter{1-7|}..$YBEd|
|00004ee0| 69 74 6f 72 7b 44 72 73 | 2e 20 53 68 65 70 68 61 |itor{Drs|. Shepha|
|00004ef0| 72 64 2c 20 45 69 63 68 | 6e 65 72 2c 20 53 75 74 |rd, Eich|ner, Sut|
|00004f00| 74 6f 6e 2c 20 61 6e 64 | 20 54 6f 72 67 2c 20 43 |ton, and| Torg, C|
|00004f10| 6f 6c 2e 20 41 6e 64 65 | 72 73 6f 6e 2c 20 61 6e |ol. Ande|rson, an|
|00004f20| 64 20 4d 72 2e 20 47 65 | 6f 72 67 65 7d 0d 0a 24 |d Mr. Ge|orge}..$|
|00004f30| 54 61 62 6c 65 7b 7d 0d | 0a 24 43 6f 6d 6d 65 6e |Table{}.|.$Commen|
|00004f40| 74 61 74 6f 72 7b 43 6f | 6c 2e 20 4a 2e 4c 2e 20 |tator{Co|l. J.L. |
|00004f50| 41 6e 64 65 72 73 6f 6e | 2c 20 50 45 2e 44 2e 7d |Anderson|, PE.D.}|
|00004f60| 0d 0a 0d 0a 43 6f 70 79 | 72 69 67 68 74 20 28 63 |....Copy|right (c|
|00004f70| 29 20 59 65 61 72 62 6f | 6f 6b 20 4d 65 64 69 63 |) Yearbo|ok Medic|
|00004f80| 61 6c 20 50 75 62 6c 69 | 73 68 65 72 73 2c 20 49 |al Publi|shers, I|
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|00004fa0| 30 20 59 65 61 72 20 42 | 6f 6f 6b 20 6f 66 20 53 |0 Year B|ook of S|
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|00004fd0| 2d 42 69 6f 6d 65 63 68 | 61 6e 69 63 73 0d 0a 0d |-Biomech|anics...|
|00004fe0| 0a 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |.-------|--------|
|00004ff0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005000| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005010| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005020| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 0d |--------|-------.|
|00005030| 0a 54 68 65 20 41 67 69 | 6e 67 20 53 6b 65 6c 65 |.The Agi|ng Skele|
|00005040| 74 61 6c 20 4d 75 73 63 | 6c 65 3a 20 20 45 66 66 |tal Musc|le: Eff|
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|00005070| 61 6e 64 20 4d 61 73 73 | 0d 0a 0d 0a 4b 6c 69 74 |and Mass|....Klit|
|00005080| 67 61 61 72 64 20 48 3b | 20 42 72 75 6e 65 74 20 |gaard H;| Brunet |
|00005090| 41 3b 20 4d 61 72 63 20 | 52 3b 20 4d 6f 6e 6f 64 |A; Marc |R; Monod|
|000050a0| 20 48 3b 20 4d 61 6e 74 | 6f 6e 69 20 4d 3b 20 53 | H; Mant|oni M; S|
|000050b0| 61 6c 74 69 6e 20 42 0d | 0a 28 55 6e 69 76 20 6f |altin B.|.(Univ o|
|000050c0| 66 20 43 6f 70 65 6e 68 | 61 67 65 6e 3b 20 43 4e |f Copenh|agen; CN|
|000050d0| 52 53 2c 20 50 61 72 69 | 73 3b 20 52 69 67 73 68 |RS, Pari|s; Rigsh|
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|00005100| 6f 72 74 73 20 4d 65 64 | 20 31 30 3a 53 39 33 2d |orts Med| 10:S93-|
|00005110| 53 39 34 2c 20 31 39 38 | 39 0d 0a 2d 2d 2d 2d 2d |S94, 198|9..-----|
|00005120| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005130| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005140| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005150| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005160| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 0d 0a 0d 0a 41 62 73 |--------|-....Abs|
|00005170| 74 72 61 63 74 0d 0a 0d | 0a 20 20 20 20 20 54 68 |tract...|. Th|
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|00005860| 6c 65 20 77 69 6c 6c 20 | 73 61 79 20 74 68 61 74 |le will |say that|
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|000058c0| 65 73 70 6f 6e 73 65 20 | 74 6f 20 74 68 61 74 20 |esponse |to that |
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|00005900| 20 61 6e 64 20 6c 75 6e | 67 73 2c 20 62 75 74 20 | and lun|gs, but |
|00005910| 69 74 20 69 73 20 61 6c | 73 6f 0d 0a 69 6d 70 6f |it is al|so..impo|
|00005920| 72 74 61 6e 74 20 74 6f | 20 68 61 76 65 20 61 20 |rtant to| have a |
|00005930| 68 65 61 6c 74 68 79 20 | 73 74 72 75 63 74 75 72 |healthy |structur|
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|00005970| 73 79 73 74 65 6d 20 61 | 72 6f 75 6e 64 2e 20 20 |system a|round. |
|00005980| 4e 6f 6e 65 20 6f 66 20 | 75 73 20 77 6f 75 6c 64 |None of |us would|
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|000059a0| 6c 61 63 20 65 6e 67 69 | 6e 65 20 69 6e 20 61 0d |lac engi|ne in a.|
|000059b0| 0a 6d 6f 64 65 6c 20 54 | 20 46 6f 72 64 20 77 69 |.model T| Ford wi|
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|00005a90| 65 61 75 6c 74 2c 20 57 | 0d 0a 52 75 64 6d 61 6e |eault, W|..Rudman|
|00005aa0| 2c 20 44 7d 0d 0a 24 41 | 66 66 69 6c 69 61 74 69 |, D}..$A|ffiliati|
|00005ab0| 6f 6e 7b 43 68 69 63 61 | 67 6f 20 4d 65 64 20 53 |on{Chica|go Med S|
|00005ac0| 63 68 6f 6f 6c 2c 20 4e | 6f 72 74 68 20 43 68 69 |chool, N|orth Chi|
|00005ad0| 63 61 67 6f 7d 0d 0a 24 | 4a 6f 75 72 6e 61 6c 7b |cago}..$|Journal{|
|00005ae0| 41 6d 20 4a 20 50 68 79 | 73 20 4d 65 64 7d 0d 0a |Am J Phy|s Med}..|
|00005af0| 24 56 6f 6c 75 6d 65 7b | 36 36 7d 0d 0a 24 50 61 |$Volume{|66}..$Pa|
|00005b00| 67 65 7b 33 36 34 2d 33 | 37 30 7d 0d 0a 24 44 61 |ge{364-3|70}..$Da|
|00005b10| 74 65 7b 44 65 63 65 6d | 62 65 72 20 31 39 38 38 |te{Decem|ber 1988|
|00005b20| 7d 0d 0a 24 59 42 56 6f | 6c 7b 31 39 39 30 20 59 |}..$YBVo|l{1990 Y|
|00005b30| 65 61 72 20 42 6f 6f 6b | 20 6f 66 20 53 70 6f 72 |ear Book| of Spor|
|00005b40| 74 73 20 4d 65 64 69 63 | 69 6e 65 7d 0d 0a 24 43 |ts Medic|ine}..$C|
|00005b50| 68 61 70 74 65 72 7b 31 | 2d 38 7d 0d 0a 24 59 42 |hapter{1|-8}..$YB|
|00005b60| 45 64 69 74 6f 72 7b 44 | 72 73 2e 20 53 68 65 70 |Editor{D|rs. Shep|
|00005b70| 68 61 72 64 2c 20 45 69 | 63 68 6e 65 72 2c 20 53 |hard, Ei|chner, S|
|00005b80| 75 74 74 6f 6e 2c 20 61 | 6e 64 20 54 6f 72 67 2c |utton, a|nd Torg,|
|00005b90| 20 43 6f 6c 2e 20 41 6e | 64 65 72 73 6f 6e 2c 20 | Col. An|derson, |
|00005ba0| 61 6e 64 20 4d 72 2e 20 | 47 65 6f 72 67 65 7d 0d |and Mr. |George}.|
|00005bb0| 0a 24 54 61 62 6c 65 7b | 7d 0d 0a 24 43 6f 6d 6d |.$Table{|}..$Comm|
|00005bc0| 65 6e 74 61 74 6f 72 7b | 43 6f 6c 2e 20 4a 2e 4c |entator{|Col. J.L|
|00005bd0| 2e 20 41 6e 64 65 72 73 | 6f 6e 2c 20 50 45 2e 44 |. Anders|on, PE.D|
|00005be0| 2e 7d 0d 0a 0d 0a 43 6f | 70 79 72 69 67 68 74 20 |.}....Co|pyright |
|00005bf0| 28 63 29 20 59 65 61 72 | 62 6f 6f 6b 20 4d 65 64 |(c) Year|book Med|
|00005c00| 69 63 61 6c 20 50 75 62 | 6c 69 73 68 65 72 73 2c |ical Pub|lishers,|
|00005c10| 20 49 6e 63 2e 2c 20 31 | 39 39 30 0d 0a 0d 0a 31 | Inc., 1|990....1|
|00005c20| 39 39 30 20 59 65 61 72 | 20 42 6f 6f 6b 20 6f 66 |990 Year| Book of|
|00005c30| 20 53 70 6f 72 74 73 20 | 4d 65 64 69 63 69 6e 65 | Sports |Medicine|
|00005c40| 20 28 52 29 0d 0a 0d 0a | 43 68 61 70 74 65 72 20 | (R)....|Chapter |
|00005c50| 31 2d 2d 42 69 6f 6d 65 | 63 68 61 6e 69 63 73 0d |1--Biome|chanics.|
|00005c60| 0a 0d 0a 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |...-----|--------|
|00005c70| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005c80| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005c90| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005ca0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005cb0| 2d 0d 0a 52 65 6c 61 74 | 69 6f 6e 73 68 69 70 20 |-..Relat|ionship |
|00005cc0| 42 65 74 77 65 65 6e 20 | 50 6c 61 73 6d 61 20 53 |Between |Plasma S|
|00005cd0| 6f 6d 61 74 6f 6d 65 64 | 69 6e 20 43 20 61 6e 64 |omatomed|in C and|
|00005ce0| 20 4d 75 73 63 6c 65 20 | 50 65 72 66 6f 72 6d 61 | Muscle |Performa|
|00005cf0| 6e 63 65 20 69 6e 20 61 | 0d 0a 47 65 72 69 61 74 |nce in a|..Geriat|
|00005d00| 72 69 63 20 4d 61 6c 65 | 20 50 6f 70 75 6c 61 74 |ric Male| Populat|
|00005d10| 69 6f 6e 0d 0a 0d 0a 43 | 61 70 75 61 6e 6f 2d 50 |ion....C|apuano-P|
|00005d20| 75 63 63 69 20 44 3b 20 | 52 68 65 61 75 6c 74 20 |ucci D; |Rheault |
|00005d30| 57 3b 20 52 75 64 6d 61 | 6e 20 44 0d 0a 28 43 68 |W; Rudma|n D..(Ch|
|00005d40| 69 63 61 67 6f 20 4d 65 | 64 20 53 63 68 6f 6f 6c |icago Me|d School|
|00005d50| 2c 20 4e 6f 72 74 68 20 | 43 68 69 63 61 67 6f 29 |, North |Chicago)|
|00005d60| 0d 0a 41 6d 20 4a 20 50 | 68 79 73 20 4d 65 64 20 |..Am J P|hys Med |
|00005d70| 36 36 3a 33 36 34 2d 33 | 37 30 2c 20 44 65 63 65 |66:364-3|70, Dece|
|00005d80| 6d 62 65 72 20 31 39 38 | 38 0d 0a 2d 2d 2d 2d 2d |mber 198|8..-----|
|00005d90| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005da0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005db0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005dc0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005dd0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 0d 0a 0d 0a 41 62 73 |--------|-....Abs|
|00005de0| 74 72 61 63 74 0d 0a 0d | 0a 20 20 20 20 20 4d 75 |tract...|. Mu|
|00005df0| 73 63 6c 65 20 73 74 72 | 65 6e 67 74 68 20 64 65 |scle str|ength de|
|00005e00| 63 72 65 61 73 65 73 20 | 77 69 74 68 20 61 67 65 |creases |with age|
|00005e10| 2e 20 20 52 65 70 6f 72 | 74 65 64 6c 79 2c 20 62 |. Repor|tedly, b|
|00005e20| 79 20 74 68 65 20 73 65 | 76 65 6e 74 68 20 64 65 |y the se|venth de|
|00005e30| 63 61 64 65 20 6f 66 0d | 0a 6c 69 66 65 20 74 68 |cade of.|.life th|
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|00005e50| 6c 20 76 6f 6c 75 6e 74 | 61 72 79 20 63 6f 6e 74 |l volunt|ary cont|
|00005e60| 72 61 63 74 69 6f 6e 20 | 69 73 20 32 30 25 20 6c |raction |is 20% l|
|00005e70| 6f 77 65 72 20 74 68 61 | 6e 20 74 68 61 74 20 69 |ower tha|n that i|
|00005e80| 6e 20 74 68 65 0d 0a 79 | 6f 75 6e 67 20 61 64 75 |n the..y|oung adu|
|00005e90| 6c 74 2e 20 20 54 68 69 | 73 20 64 65 63 6c 69 6e |lt. Thi|s declin|
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|00005eb0| 30 25 20 62 79 20 74 68 | 65 20 65 69 67 68 74 68 |0% by th|e eighth|
|00005ec0| 20 64 65 63 61 64 65 2e | 20 20 47 72 6f 77 74 68 | decade.| Growth|
|00005ed0| 0d 0a 68 6f 72 6d 6f 6e | 65 20 28 47 48 29 20 73 |..hormon|e (GH) s|
|00005ee0| 65 63 72 65 74 69 6f 6e | 20 61 6c 73 6f 20 64 65 |ecretion| also de|
|00005ef0| 63 6c 69 6e 65 73 20 77 | 69 74 68 20 61 67 65 2e |clines w|ith age.|
|00005f00| 20 20 54 68 65 20 6e 6f | 72 6d 61 6c 20 70 6c 61 | The no|rmal pla|
|00005f10| 73 6d 61 20 73 6f 6d 61 | 74 6f 6d 65 64 69 6e 0d |sma soma|tomedin.|
|00005f20| 0a 43 20 28 53 6d 43 29 | 20 6c 65 76 65 6c 20 61 |.C (SmC)| level a|
|00005f30| 74 20 61 67 65 20 32 30 | 20 79 65 61 72 73 20 61 |t age 20| years a|
|00005f40| 76 65 72 61 67 65 73 20 | 31 2e 30 20 75 6e 69 74 |verages |1.0 unit|
|00005f50| 73 20 70 65 72 20 6d 4c | 2c 20 62 75 74 20 62 79 |s per mL|, but by|
|00005f60| 20 61 67 65 20 37 30 20 | 79 65 61 72 73 2c 0d 0a | age 70 |years,..|
|00005f70| 74 68 69 73 20 64 65 63 | 72 65 61 73 65 73 20 74 |this dec|reases t|
|00005f80| 6f 20 30 2e 34 35 20 75 | 6e 69 74 73 20 70 65 72 |o 0.45 u|nits per|
|00005f90| 20 6d 4c 2e 20 20 44 65 | 63 6c 69 6e 69 6e 67 20 | mL. De|clining |
|00005fa0| 47 68 20 73 65 63 72 65 | 74 69 6f 6e 20 6d 61 79 |Gh secre|tion may|
|00005fb0| 20 62 65 0d 0a 72 65 73 | 70 6f 6e 73 69 62 6c 65 | be..res|ponsible|
|00005fc0| 20 66 6f 72 20 6d 61 6e | 79 20 6f 66 20 74 68 65 | for man|y of the|
|00005fd0| 20 61 67 65 2d 72 65 6c | 61 74 65 64 20 6d 75 73 | age-rel|ated mus|
|00005fe0| 63 6c 65 20 63 68 61 6e | 67 65 73 2e 20 20 54 68 |cle chan|ges. Th|
|00005ff0| 65 20 70 6c 61 73 6d 61 | 0d 0a 63 6f 6e 63 65 6e |e plasma|..concen|
|00006000| 74 72 61 74 69 6f 6e 20 | 6f 66 20 53 6d 43 20 63 |tration |of SmC c|
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|00006020| 74 69 6d 61 74 65 20 70 | 69 74 75 69 74 61 72 79 |timate p|ituitary|
|00006030| 20 47 48 20 73 65 63 72 | 65 74 69 6f 6e 2e 20 20 | GH secr|etion. |
|00006040| 54 68 65 0d 0a 72 65 6c | 61 74 69 6f 6e 73 68 69 |The..rel|ationshi|
|00006050| 70 20 62 65 74 77 65 65 | 6e 20 70 6c 61 73 6d 61 |p betwee|n plasma|
|00006060| 20 53 6d 43 20 6c 65 76 | 65 6c 73 20 61 6e 64 20 | SmC lev|els and |
|00006070| 6d 75 73 63 6c 65 20 66 | 75 6e 63 74 69 6f 6e 20 |muscle f|unction |
|00006080| 77 61 73 20 61 73 73 65 | 73 73 65 64 20 69 6e 20 |was asse|ssed in |
|00006090| 31 38 0d 0a 68 65 61 6c | 74 68 79 20 6d 65 6e 20 |18..heal|thy men |
|000060a0| 61 67 65 64 20 35 35 2d | 38 30 20 79 65 61 72 73 |aged 55-|80 years|
|000060b0| 20 28 6d 65 61 6e 2c 20 | 36 35 2e 38 20 79 65 61 | (mean, |65.8 yea|
|000060c0| 72 73 29 2e 20 20 42 6f | 64 79 20 77 65 69 67 68 |rs). Bo|dy weigh|
|000060d0| 74 73 20 72 61 6e 67 65 | 64 20 62 65 74 77 65 65 |ts range|d betwee|
|000060e0| 6e 0d 0a 39 30 25 20 61 | 6e 64 20 31 31 35 25 20 |n..90% a|nd 115% |
|000060f0| 6f 66 20 69 64 65 61 6c | 2e 20 20 41 66 74 65 72 |of ideal|. After|
|00006100| 20 61 6e 20 6f 76 65 72 | 6e 69 67 68 74 20 66 61 | an over|night fa|
|00006110| 73 74 2c 20 62 6c 6f 6f | 64 20 77 61 73 20 64 72 |st, bloo|d was dr|
|00006120| 61 77 6e 20 61 6e 64 20 | 70 6c 61 73 6d 61 0d 0a |awn and |plasma..|
|00006130| 53 6d 43 20 6c 65 76 65 | 6c 73 20 77 65 72 65 20 |SmC leve|ls were |
|00006140| 6d 65 61 73 75 72 65 64 | 20 62 79 20 72 61 64 69 |measured| by radi|
|00006150| 6f 69 6d 6d 75 6e 6f 61 | 73 73 61 79 2e 20 20 49 |oimmunoa|ssay. I|
|00006160| 73 6f 6b 69 6e 65 74 69 | 63 20 6d 75 73 63 6c 65 |sokineti|c muscle|
|00006170| 20 73 74 72 65 6e 67 74 | 68 2c 0d 0a 70 6f 77 65 | strengt|h,..powe|
|00006180| 72 2c 20 61 6e 64 20 65 | 6e 64 75 72 61 6e 63 65 |r, and e|ndurance|
|00006190| 20 77 65 72 65 20 6d 65 | 61 73 75 72 65 64 20 6f | were me|asured o|
|000061a0| 6e 20 65 6c 62 6f 77 20 | 66 6c 65 78 6f 72 73 20 |n elbow |flexors |
|000061b0| 61 6e 64 20 65 78 74 65 | 6e 73 6f 72 73 20 61 6e |and exte|nsors an|
|000061c0| 64 20 6f 6e 20 6b 6e 65 | 65 0d 0a 66 6c 65 78 6f |d on kne|e..flexo|
|000061d0| 72 73 20 61 6e 64 20 65 | 78 74 65 6e 73 6f 72 73 |rs and e|xtensors|
|000061e0| 2c 20 75 73 69 6e 67 20 | 74 68 65 20 43 79 62 65 |, using |the Cybe|
|000061f0| 78 20 49 49 20 64 79 6e | 61 6d 6f 6d 65 74 65 72 |x II dyn|amometer|
|00006200| 2e 0d 0a 20 20 20 20 20 | 54 68 65 20 6d 65 61 6e |... |The mean|
|00006210| 20 70 6c 61 73 6d 61 20 | 53 6d 43 20 63 6f 6e 63 | plasma |SmC conc|
|00006220| 65 6e 74 72 61 74 69 6f | 6e 20 69 6e 20 74 68 69 |entratio|n in thi|
|00006230| 73 20 67 72 6f 75 70 20 | 6f 66 20 65 6c 64 65 72 |s group |of elder|
|00006240| 6c 79 20 6d 65 6e 20 77 | 61 73 20 30 2e 34 32 0d |ly men w|as 0.42.|
|00006250| 0a 75 6e 69 74 73 20 70 | 65 72 20 6d 4c 2e 20 20 |.units p|er mL. |
|00006260| 4f 6e 6c 79 20 34 20 6d | 65 6e 20 68 61 64 20 70 |Only 4 m|en had p|
|00006270| 6c 61 73 6d 61 20 53 6d | 43 20 6c 65 76 65 6c 73 |lasma Sm|C levels|
|00006280| 20 6c 65 73 73 20 74 68 | 61 6e 20 30 2e 33 35 20 | less th|an 0.35 |
|00006290| 75 6e 69 74 73 20 70 65 | 72 20 6d 4c 2e 0d 0a 4e |units pe|r mL...N|
|000062a0| 6f 20 72 65 6c 61 74 69 | 6f 6e 73 68 69 70 20 77 |o relati|onship w|
|000062b0| 61 73 20 66 6f 75 6e 64 | 20 62 65 74 77 65 65 6e |as found| between|
|000062c0| 20 53 6d 43 20 6c 65 76 | 65 6c 73 20 61 6e 64 20 | SmC lev|els and |
|000062d0| 6d 75 73 63 6c 65 20 66 | 75 6e 63 74 69 6f 6e 2e |muscle f|unction.|
|000062e0| 0d 0a 0d 0a 50 6f 73 74 | 2d 43 6f 6d 6d 65 6e 74 |....Post|-Comment|
|000062f0| 0d 0a 0d 0a 20 20 20 20 | 20 54 68 69 73 20 73 74 |.... | This st|
|00006300| 75 64 79 20 70 72 65 73 | 65 6e 74 73 20 61 20 67 |udy pres|ents a g|
|00006310| 6f 6f 64 20 6c 65 73 73 | 6f 6e 20 69 6e 20 63 61 |ood less|on in ca|
|00006320| 75 73 65 20 61 6e 64 20 | 65 66 66 65 63 74 2e 20 |use and |effect. |
|00006330| 20 4c 6f 6f 6b 20 61 74 | 20 74 68 65 20 73 74 75 | Look at| the stu|
|00006340| 64 79 0d 0a 69 6d 6d 65 | 64 69 61 74 65 6c 79 20 |dy..imme|diately |
|00006350| 70 72 65 63 65 64 69 6e | 67 20 74 68 69 73 20 6f |precedin|g this o|
|00006360| 6e 65 20 28 41 62 73 74 | 72 61 63 74 20 31 2d 37 |ne (Abst|ract 1-7|
|00006370| 29 2e 20 20 48 65 72 65 | 2c 20 74 68 65 20 61 75 |). Here|, the au|
|00006380| 74 68 6f 72 73 20 72 65 | 70 6f 72 74 20 6f 6e 0d |thors re|port on.|
|00006390| 0a 74 68 65 20 61 76 65 | 72 61 67 65 20 64 65 63 |.the ave|rage dec|
|000063a0| 6c 69 6e 65 20 69 6e 20 | 6d 75 73 63 75 6c 61 72 |line in |muscular|
|000063b0| 20 73 74 72 65 6e 67 74 | 68 20 69 6e 20 61 6e 20 | strengt|h in an |
|000063c0| 61 67 69 6e 67 20 6d 61 | 6c 65 20 70 6f 70 75 6c |aging ma|le popul|
|000063d0| 61 74 69 6f 6e 2e 0d 0a | 48 6f 77 65 76 65 72 2c |ation...|However,|
|000063e0| 20 74 68 65 20 70 72 65 | 73 65 6e 74 20 73 74 75 | the pre|sent stu|
|000063f0| 64 79 20 73 68 6f 77 73 | 20 74 68 61 74 20 74 68 |dy shows| that th|
+--------+-------------------------+-------------------------+--------+--------+
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