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The effect of gender and fatigue on ...

Pappas, Evangelos.

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The effect of gender and fatigue on the biomechanics of landing from a jump.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The effect of gender and fatigue on the biomechanics of landing from a jump./
作者:	Pappas, Evangelos.
面頁冊數:	158 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 1973.
Contained By:	Dissertation Abstracts International66-04B.
標題:	Health Sciences, Rehabilitation and Therapy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3170860
ISBN:	0542072475

The effect of gender and fatigue on the biomechanics of landing from a jump.
Pappas, Evangelos.

The effect of gender and fatigue on the biomechanics of landing from a jump. - 158 p.

Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 1973.

Thesis (Ph.D.)--New York University, 2005.

Introduction. Landing from a jump is a commonly practiced athletic activity that frequently results in anterior cruciate ligament (ACL) injury, especially in female athletes. There is also evidence that fatigue increases the likelihood of suffering an ACL injury. Although many studies have examined the biomechanics of different athletic activities, few studies have examined the effect of gender and fatigue on the biomechanics of landing from a jump.

ISBN: 0542072475Subjects--Topical Terms:

1017926
Health Sciences, Rehabilitation and Therapy.

The effect of gender and fatigue on the biomechanics of landing from a jump.
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245 1 4 $a The effect of gender and fatigue on the biomechanics of landing from a jump.
300 $a 158 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 1973.
500 $a Adviser: Ali Sheikhzadeh.
502 $a Thesis (Ph.D.)--New York University, 2005.
520 $a Introduction. Landing from a jump is a commonly practiced athletic activity that frequently results in anterior cruciate ligament (ACL) injury, especially in female athletes. There is also evidence that fatigue increases the likelihood of suffering an ACL injury. Although many studies have examined the biomechanics of different athletic activities, few studies have examined the effect of gender and fatigue on the biomechanics of landing from a jump.
520 $a Methods. Kinetic, kinematic and electromyographic (EMG) data of the right lower extremity were collected for 32 recreational athletes (16 males) while performing bilateral and unilateral landings from a jump. MANOVA tests were used to evaluate the effect of gender, fatigue, and type of landing (bilateral vs. unilateral) on the biomechanical variables.
520 $a Results. Females landed with significantly higher knee valgus compared to males both during the initial phase of landing and at peak values (p = 0.001). Females also exhibited higher peak vertical ground reaction force (VGRF) than males (p = 0.003), however, males and females landed with similar knee flexion angles at initial contact. Males and females exhibited higher knee valgus in unilateral compared to bilateral landings during the initial phase of the landing cycle (p = 0.005). Fatigue had a similar effect on males and females.
520 $a Discussion. Excessive knee valgus may be an important reason that female athletes suffer more ACL injuries than males and that unilateral landings are more dangerous than bilateral landings. However, knee flexion at initial contact does not appear to contribute to the increased ACL injury rates in females.
590 $a School code: 0146.
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