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The influence of heel height on sagi...

Duquesne University.

The influence of heel height on sagittal plane knee kinematics during landing tasks in recreationally active collegiate females.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The influence of heel height on sagittal plane knee kinematics during landing tasks in recreationally active collegiate females.
作者:	Lindenberg, Kelly M.
面頁冊數:	135 p.
附註:	Source: Dissertation Abstracts International, Volume: 70-09, Section: B, page: 5472.
附註:	Adviser: Christopher R. Carcia.
Contained By:	Dissertation Abstracts International70-09B.
標題:	Health Sciences, Rehabilitation and Therapy.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3372402
ISBN:	9781109357141

The influence of heel height on sagittal plane knee kinematics during landing tasks in recreationally active collegiate females.
Lindenberg, Kelly M.

The influence of heel height on sagittal plane knee kinematics during landing tasks in recreationally active collegiate females. - 135 p.

Source: Dissertation Abstracts International, Volume: 70-09, Section: B, page: 5472.

Thesis (Ph.D.)--Duquesne University, 2009.

The purpose of this study was to determine if varying heel lift heights added to athletic shoe wear would alter sagittal plane knee kinematics when landing from jumping maneuvers. The hypothesis was that increased heel height would increase knee flexion at initial contact (KAIC), increase the peak knee flexion angle (KAPeak), and slow the rate of knee excursion (RKE). Fifty recreationally active, college-age females participated. Subjects performed two single-limb landing tasks: a forward hop and a jump-landing maneuver. Each participant performed five repetitions of each jump while wearing three different heel lifts placed on the under-side of a standardized athletic shoe: 0mm, 12mm, or 24mm lift heights. Dependent measures were KAIC, KAPeak, and RKE. Knee angle was measured using an electrogoniometer synchronized with a floor-mounted force plate. Raw data were acquired and filtered with a software acquisition and analysis system. Separate repeated measures ANOVAs were utilized to determine the influence of heel height on the dependent measures. Post hoc paired t-tests were performed when appropriate. All differences were considered to be statistically significant if p<0.05; p<0.017 with Bonferroni correction.

ISBN: 9781109357141Subjects--Topical Terms:

212859
Health Sciences, Rehabilitation and Therapy.

The influence of heel height on sagittal plane knee kinematics during landing tasks in recreationally active collegiate females.
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245 1 4 $a The influence of heel height on sagittal plane knee kinematics during landing tasks in recreationally active collegiate females.
300 $a 135 p.
500 $a Source: Dissertation Abstracts International, Volume: 70-09, Section: B, page: 5472.
500 $a Adviser: Christopher R. Carcia.
502 $a Thesis (Ph.D.)--Duquesne University, 2009.
520 $a The purpose of this study was to determine if varying heel lift heights added to athletic shoe wear would alter sagittal plane knee kinematics when landing from jumping maneuvers. The hypothesis was that increased heel height would increase knee flexion at initial contact (KAIC), increase the peak knee flexion angle (KAPeak), and slow the rate of knee excursion (RKE). Fifty recreationally active, college-age females participated. Subjects performed two single-limb landing tasks: a forward hop and a jump-landing maneuver. Each participant performed five repetitions of each jump while wearing three different heel lifts placed on the under-side of a standardized athletic shoe: 0mm, 12mm, or 24mm lift heights. Dependent measures were KAIC, KAPeak, and RKE. Knee angle was measured using an electrogoniometer synchronized with a floor-mounted force plate. Raw data were acquired and filtered with a software acquisition and analysis system. Separate repeated measures ANOVAs were utilized to determine the influence of heel height on the dependent measures. Post hoc paired t-tests were performed when appropriate. All differences were considered to be statistically significant if p<0.05; p<0.017 with Bonferroni correction.
520 $a Forward hop task: Significant main effects were found for KAIC (p<.001), KAPeak (p=.014), and RKE (p=.019). KAIC increased from the 0mm lift condition to the 24mm lift(p<.001), but not the 12mm lift (p=.423). An increase was also noted between the 12mm and 24mm lift conditions (p=.003). KAPeak increased from the 0mm lift condition to the 24mm lift (p=.004), but not to the 12mm lift (p=.282). The RKE did not change from the 0mm to the 12 or 24mm lift conditions (p=.351 and p=.086, respectively). However, there was a significant increase from the 12mm to the 24mm lift (p=.004). Jump-landing task: The data demonstrated no significant changes in KAIC (p=.531), KAPeak (p=.741), or the RKE (p=.190) from 0mm to either the 12mm or 24mm heel lift conditions. The addition of a 24 mm heel lift to an athletic shoe significantly alters KAIC, KAPeak, and RKE as compared to baseline measures when performing a forward hop maneuver. However, a 12 mm lift did not alter these sagittal plane knee kinematics. There is no change noted from baseline when performing a jump landing maneuver with either a 12mm or 24mm lift.
590 $a School code: 0067.
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650 4 $a Health Sciences, Recreation. $3 227283
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790 1 0 $a Carcia, Christopher R., $e advisor
790 1 0 $a Phelps, Amy L. $e committee member
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790 1 0 $a Burrows, Anne M. $e committee member
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