Relationship between tibial acceleration and proximal anterior tibia shear force across increasing jump distance.
Identifieur interne : 001666 ( Main/Exploration ); précédent : 001665; suivant : 001667Relationship between tibial acceleration and proximal anterior tibia shear force across increasing jump distance.
Auteurs : Timothy C. Sell [États-Unis] ; Jonathan S. Akins ; Alexis R. Opp ; Scott M. LephartSource :
- Journal of applied biomechanics [ 1543-2688 ] ; 2014.
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Abstract
Proximal anterior tibia shear force is a direct loading mechanism of the anterior cruciate ligament (ACL) and is a contributor to ACL strain during injury. Measurement of this force during competition may provide insight into risk factors for ACL injury. Accelerometers may be capable of measuring tibial acceleration during competition. The purpose of this study was to examine the relationship between acceleration measured by a tibia-mounted accelerometer and proximal anterior tibia shear force as measured through inverse dynamics and peak posterior ground reaction forces during two leg stop-jump tasks. Nineteen healthy male subjects performed stop-jump tasks across increasing jump distances. Correlation coefficients were calculated to determine if a relationship exists between accelerometer data and proximal anterior tibia shear force and peak posterior ground reaction force. An analysis of variance was performed to compare these variables across jump distance. Significant correlations were observed between accelerometer data and peak posterior ground reaction force, but none between accelerometer data and proximal anterior tibia shear force. All variables except peak proximal anterior tibia shear force increased significantly as jump distance increased. Overall, results of this study provide initial, positive support for the use of accelerometers as a useful tool for future injury prevention research.
DOI: 10.1123/jab.2012-0186
PubMed: 23878269
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Measurement of this force during competition may provide insight into risk factors for ACL injury. Accelerometers may be capable of measuring tibial acceleration during competition. The purpose of this study was to examine the relationship between acceleration measured by a tibia-mounted accelerometer and proximal anterior tibia shear force as measured through inverse dynamics and peak posterior ground reaction forces during two leg stop-jump tasks. Nineteen healthy male subjects performed stop-jump tasks across increasing jump distances. Correlation coefficients were calculated to determine if a relationship exists between accelerometer data and proximal anterior tibia shear force and peak posterior ground reaction force. An analysis of variance was performed to compare these variables across jump distance. Significant correlations were observed between accelerometer data and peak posterior ground reaction force, but none between accelerometer data and proximal anterior tibia shear force. All variables except peak proximal anterior tibia shear force increased significantly as jump distance increased. Overall, results of this study provide initial, positive support for the use of accelerometers as a useful tool for future injury prevention research.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Pennsylvanie</li></region></list><tree><noCountry><name sortKey="Akins, Jonathan S" sort="Akins, Jonathan S" uniqKey="Akins J" first="Jonathan S" last="Akins">Jonathan S. Akins</name><name sortKey="Lephart, Scott M" sort="Lephart, Scott M" uniqKey="Lephart S" first="Scott M" last="Lephart">Scott M. Lephart</name><name sortKey="Opp, Alexis R" sort="Opp, Alexis R" uniqKey="Opp A" first="Alexis R" last="Opp">Alexis R. Opp</name></noCountry><country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Sell, Timothy C" sort="Sell, Timothy C" uniqKey="Sell T" first="Timothy C" last="Sell">Timothy C. Sell</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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