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The relationship between knee flexio...

The University of North Carolina at Chapel Hill.

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The relationship between knee flexion, hip flexion, and trunk flexion angles and anterior tibial shear force during a jump-landing task .

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The relationship between knee flexion, hip flexion, and trunk flexion angles and anterior tibial shear force during a jump-landing task ./
作者:	Walusz, Hollie Janine.
面頁冊數:	102 p.
附註:	Adviser: Darin Padua.
Contained By:	Masters Abstracts International45-04.
標題:	Biology, Physiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1442314

The relationship between knee flexion, hip flexion, and trunk flexion angles and anterior tibial shear force during a jump-landing task .
Walusz, Hollie Janine.

The relationship between knee flexion, hip flexion, and trunk flexion angles and anterior tibial shear force during a jump-landing task . - 102 p.

Adviser: Darin Padua.

Thesis (M.A.)--The University of North Carolina at Chapel Hill, 2007.

Objective. To evaluate the relationships between sagittal plane knee, hip, and trunk angles with peak anterior tibial shear force (ATSF) during a jump-landing task. Subjects. Thirty-three healthy female recreational athletes with no prior history of anterior cruciate ligament (ACL) injury volunteered to participate in this study. Measurements . Knee, hip, and trunk kinematic data were collected with an electromagnetic motion capture system during a jump-landing task. Within- and between-subject data were analyzed using correlation and multiple regression statistical analyses. Results. Knee flexion angle at peak ATSF was found to be significantly correlated with peak ATSF (p=0.021, r = -0.367). Additionally, trunk flexion (world) at peak ATSF was found to have a significant positive relationship with peak ATSF (p=0.046, r =0.309). Knee flexion angle at peak ATSF was found to predict approximately 13.5% of the variance in ATSF (p=.042, R2 =.135). Multiple within-subject correlations and regressions were found, however they varied amongst all angles between subjects. Conclusion . Knee flexion angles appear to predict ATSF in female athletes. While hip and trunk flexion angles did not predict ATSF in this study, training should emphasize increased flexion at all three joints in order to decrease ACL injury. Sagittal plane joint angles did not explain all the variability in peak ATSF, therefore other factors need to be examined.Subjects--Topical Terms:

1017816
Biology, Physiology.

The relationship between knee flexion, hip flexion, and trunk flexion angles and anterior tibial shear force during a jump-landing task .
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245 1 4 $a The relationship between knee flexion, hip flexion, and trunk flexion angles and anterior tibial shear force during a jump-landing task .
300 $a 102 p.
500 $a Adviser: Darin Padua.
500 $a Source: Masters Abstracts International, Volume: 45-04, page: 1963.
502 $a Thesis (M.A.)--The University of North Carolina at Chapel Hill, 2007.
520 $a Objective. To evaluate the relationships between sagittal plane knee, hip, and trunk angles with peak anterior tibial shear force (ATSF) during a jump-landing task. Subjects. Thirty-three healthy female recreational athletes with no prior history of anterior cruciate ligament (ACL) injury volunteered to participate in this study. Measurements . Knee, hip, and trunk kinematic data were collected with an electromagnetic motion capture system during a jump-landing task. Within- and between-subject data were analyzed using correlation and multiple regression statistical analyses. Results. Knee flexion angle at peak ATSF was found to be significantly correlated with peak ATSF (p=0.021, r = -0.367). Additionally, trunk flexion (world) at peak ATSF was found to have a significant positive relationship with peak ATSF (p=0.046, r =0.309). Knee flexion angle at peak ATSF was found to predict approximately 13.5% of the variance in ATSF (p=.042, R2 =.135). Multiple within-subject correlations and regressions were found, however they varied amongst all angles between subjects. Conclusion . Knee flexion angles appear to predict ATSF in female athletes. While hip and trunk flexion angles did not predict ATSF in this study, training should emphasize increased flexion at all three joints in order to decrease ACL injury. Sagittal plane joint angles did not explain all the variability in peak ATSF, therefore other factors need to be examined.
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