Factors affecting jump performance in professional Australian rules footballers

Woods, MA; Watsford, ML; Cavanagh, BP; Pruyn, EC

Factors affecting jump performance in professional Australian rules footballers

Woods, MA Watsford, ML

Cavanagh, BP Pruyn, EC

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Publication Type:: Journal Article
Citation:: Journal of Sports Medicine and Physical Fitness, 2015, 55 (10), pp. 1114 - 1121
Issue Date:: 2015-10-01

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Field	Value	Language
dc.contributor.author	Woods, MA	en_US
dc.contributor.author	Watsford, ML https://orcid.org/0000-0002-4569-6377	en_US
dc.contributor.author	Cavanagh, BP	en_US
dc.contributor.author	Pruyn, EC https://orcid.org/0000-0002-7260-6541	en_US
dc.date.issued	2015-10-01	en_US
dc.identifier.citation	Journal of Sports Medicine and Physical Fitness, 2015, 55 (10), pp. 1114 - 1121	en_US
dc.identifier.issn	0022-4707	en_US
dc.identifier.uri	http://hdl.handle.net/10453/41853
dc.description.abstract	Aim. This study examined factors contributing to jump performance in professional Australian Rules Football (ARF) players. Methods. Thirty-two ARF players performed a countermovement jump (CMJ) and were divided into groups based on jump performance: high calibre (HC) or low calibre (LC). During CMJ assessment, force, rate of force development, movement velocity and power were measured. Physical measures included mass, height, age, lower body strength, eccentric utilization ratio and leg stiffness (Kleg). HC and LC groups were compared to determine the variables contributing to jump performance and correlation and regression analyses also aided in identifying such variables. CMJ height was higher in the HC group (P<0.001). Results. The HC group demonstrated a higher CMJ velocity (9.8%, P=0.004) and CMJ power (14.4%, P=0.042) when compared to the LC group. Further, the HC group demonstrated 7.5% higher Kleg than the LC group (P=0.019). Spearman's rho correlations demonstrated moderate-large relationships between jump height and strength, velocity and power, while the regression analysis revealed velocity was the sole predictive variable of jump performance. Jumping performance clearly differs within a group of professional ARF athletes. Conclusion. Movement velocity appears to be an important factor contributing to jump performance; however, lower body power and Kleg are also important for jump performance.	en_US
dc.relation.ispartof	Journal of Sports Medicine and Physical Fitness	en_US
dc.subject.classification	Sport Sciences	en_US
dc.subject.mesh	Humans	en_US
dc.subject.mesh	Regression Analysis	en_US
dc.subject.mesh	Task Performance and Analysis	en_US
dc.subject.mesh	Physical Endurance	en_US
dc.subject.mesh	Movement	en_US
dc.subject.mesh	Isometric Contraction	en_US
dc.subject.mesh	Football	en_US
dc.subject.mesh	Adult	en_US
dc.subject.mesh	Australia	en_US
dc.subject.mesh	Male	en_US
dc.subject.mesh	Muscle Strength	en_US
dc.subject.mesh	Athletic Performance	en_US
dc.subject.mesh	Physical Exertion	en_US
dc.subject.mesh	Athletes	en_US
dc.title	Factors affecting jump performance in professional Australian rules footballers	en_US
dc.type	Journal Article
utslib.citation.volume	10	en_US
utslib.citation.volume	55	en_US
utslib.for	1106 Human Movement and Sports Sciences	en_US
utslib.for	0913 Mechanical Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Health
pubs.organisational-group	/University of Technology Sydney/Faculty of Health/Sports and Exercise Science
pubs.organisational-group	/University of Technology Sydney/Strength - CHSP - Health Services and Practice
utslib.copyright.status	closed_access
pubs.issue	10	en_US
pubs.publication-status	Published	en_US
pubs.volume	55	en_US

Abstract:

Aim. This study examined factors contributing to jump performance in professional Australian Rules Football (ARF) players. Methods. Thirty-two ARF players performed a countermovement jump (CMJ) and were divided into groups based on jump performance: high calibre (HC) or low calibre (LC). During CMJ assessment, force, rate of force development, movement velocity and power were measured. Physical measures included mass, height, age, lower body strength, eccentric utilization ratio and leg stiffness (Kleg). HC and LC groups were compared to determine the variables contributing to jump performance and correlation and regression analyses also aided in identifying such variables. CMJ height was higher in the HC group (P<0.001). Results. The HC group demonstrated a higher CMJ velocity (9.8%, P=0.004) and CMJ power (14.4%, P=0.042) when compared to the LC group. Further, the HC group demonstrated 7.5% higher Kleg than the LC group (P=0.019). Spearman's rho correlations demonstrated moderate-large relationships between jump height and strength, velocity and power, while the regression analysis revealed velocity was the sole predictive variable of jump performance. Jumping performance clearly differs within a group of professional ARF athletes. Conclusion. Movement velocity appears to be an important factor contributing to jump performance; however, lower body power and Kleg are also important for jump performance.

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http://hdl.handle.net/10453/41853