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The relationship between hip and kne...

Claiborne, Tina L.

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The relationship between hip and knee strength and valgus knee position during a single leg squat.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The relationship between hip and knee strength and valgus knee position during a single leg squat./
作者:	Claiborne, Tina L.
面頁冊數:	58 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1214.
Contained By:	Dissertation Abstracts International64-03B.
標題:	Health Sciences, Rehabilitation and Therapy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3085575

The relationship between hip and knee strength and valgus knee position during a single leg squat.
Claiborne, Tina L.

The relationship between hip and knee strength and valgus knee position during a single leg squat. - 58 p.

Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1214.

Thesis (Ph.D.)--The University of Toledo, 2003.

<italic>Purpose</italic>. To determine the relationship between hip and knee muscle strength and valgus knee movement during a single leg squat (SLS).Subjects--Topical Terms:

1017926
Health Sciences, Rehabilitation and Therapy.

The relationship between hip and knee strength and valgus knee position during a single leg squat.
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100 1 $a Claiborne, Tina L. $3 1943370
245 1 0 $a The relationship between hip and knee strength and valgus knee position during a single leg squat.
300 $a 58 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1214.
502 $a Thesis (Ph.D.)--The University of Toledo, 2003.
520 $a <italic>Purpose</italic>. To determine the relationship between hip and knee muscle strength and valgus knee movement during a single leg squat (SLS).
520 $a <italic>Methods</italic>. Thirty healthy adults (15 males, 15 females) participated in two separate testing sessions. During the first testing session, each subject was instructed to stand on their preferred leg, squat to approximately 1.05 rad of knee flexion, and return to the standing position. Frontal plane (varus/valgus) knee movement was evaluated kinematically using a Motion Analysis three dimensional system, with a sampling rate of 60 Hz. The SLS was repeated five times with two minutes of rest between each squat. During the second session, isokinetic concentric and eccentric hip and knee strength was tested using a Biodex isokinetic dynamometer at 1.05 rad·s<super> −1</super>. Motions tested included hip abduction (ABD), adduction (ADD), flexion (FLEX) extension (EXT), internal rotation (IR), external rotation (ER), knee flexion (KF), and knee extension (KE). Three reciprocal repetitions were performed for each movement with two minute of seated rest between sets.
520 $a <italic>Results</italic>. Overall, ABD (r<super>2</super> = 0.13), KF (r<super>2</super> = 0.18), and KE (r<super>2</super> = 0.14), strength were significant predictors of frontal plane movement of the knee during a SLS. Significant negative correlations between these strength variables and frontal plane knee motion suggest that individuals with greater ABD (r = −0.37), KF (r = −0.43), and KE (r = −0.37) strength tend to exhibit less motion in the valgus direction during functional weight bearing activities. Gender differences in absolute strength were noted for all muscle groups excluding eccentric IR. When normalized to body mass, gender differences in strength were demonstrated in concentric ADD, FLEX, KF, KE and eccentric EXT.
520 $a <italic>Conclusions</italic>. These data suggest that increased frontal plane knee movement toward valgus may occur when ABD, KF, and KE peak torque values are relatively lower. Females exhibited lower strength values in KF and KE strength when compared to males, possibly implying a gender predisposition to increased knee motion in the valgus direction during functional weight bearing activities.
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650 4 $a Health Sciences, Rehabilitation and Therapy. $3 1017926
650 4 $a Education, Health. $3 1017668
650 4 $a Biophysics, Medical. $3 1017681
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710 2 0 $a The University of Toledo. $3 1023352
773 0 $t Dissertation Abstracts International $g 64-03B.
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791 $a Ph.D.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3085575