Honors College Thesis


Vertical Ground Reaction Force During the Forward Lunge and Squat for Dominant and Non-Dominant Limbs in Older Adults Public Deposited

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  • Falls in older adults are a significant issue in the United States. Many older adults are advised to participate in fall prevention exercise programs in an attempt to increase strength and stability, but it is unclear what role limb dominance and potential limb asymmetry has in exercise performance. The purpose of this study was to determine if there was difference in peak vertical ground reaction force (vGRF) between the dominant and non-dominant limbs in the squat exercise, and the forward positioned dominant and non-dominant limbs in the lunge exercise, performed by older adults. It was hypothesized that peak vGRF would be greater in the dominant limbs during the squat, and in the dominant limb when positioned forward in the forward lunge exercise. A biomechanical motion analysis was performed that captured kinematics and kinetics. The initial analysis showed no significant differences in the normalized vGRF between the dominant and non-dominant limb in both exercises. A secondary analysis, however, demonstrated an 11% difference between the dominant limb of males and females in the forward lunge. These findings suggest that clinicians may need to monitor limb loading during forward lunges that are prescribed in fall prevention routines in an attempt to limit asymmetries.
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Peer Reviewed
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  • Intellectual Property (patent, etc.)
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  • 2020-05-29 to 2020-12-29



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