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Notes
- Abstract:
- Nearly all sports require athletes to be able to produce and absorb forces while performing various movements. Muscle strength imbalances among athletes are common due to side dominance, previous injury, or specific sport movements and may lead to injury. The two main purposes for this study were to find a correlation between the hop and stop test measures of production and absorption with that of results from a force plate; and second, to determine force production and force absorption, along with the kinematics of landing while performing the hop and stop test to determine asymmetries in the lower extremities. Female collegiate athletes performed a single leg hop and stop test with specific rules limiting extraneous motion. The unilateral measurements that were determined for the participant were: the hop percent height, force production impulse, force production symmetry, stop-to-hop ratio, force absorption impulse, force absorption symmetry, knee valgus at initial contact (IC), knee valgus at peak vertical ground reaction force (VGRF), knee flexion at IC, and knee flexion at peak VGRF. Kinematic data was collected using Vicon Nexus software and high-speed cameras; kinetic data was collected using an AMTI force platform. Significant differences were found between the limbs for the hop distance and knee flexion at initial contact and the peak ground reaction force. In this study, no correlation was found between the hop and stop test and the impulse measures. Knee kinematics showed the participants to be in shallow flexion, indicating a potential for ACL injury. Future studies involving more participants are needed to better correlate the hop and stop with the force plate measures.
- Thesis:
- Thesis (M.S.)--Barry University, 2009.
- Bibliography:
- Includes bibliographical references (leaves 51-57).
Record Information
- Source Institution:
- Barry University
- Holding Location:
- Barry University Archives and Special Collections
- Rights Management:
- Copyright XX. Permission granted to Barry University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder.
- Resource Identifier:
- RC1218.W65 C76 2009_CrossJanelle ( BU-Local )
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