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Vertical jumping reorganization with aging: a kinematic comparison between young and elderly men
Marianne Haguenauer1, Pierre Legreneur, Karine M Monteil
1Center for Sport Research and Innovatin, University Claude Bernard-Lyon 1, Vileurbanne Cedex, France.
Journal of Applied Biomechanics
|November 2, 2005
Summary
Elderly individuals exhibit significantly reduced vertical jump height and altered joint coordination patterns compared to younger adults. Aging impacts explosive force and muscle shortening, leading to a more simultaneous joint movement strategy.
Area of Science:
- Biomechanics
- Gerontology
- Human Movement Science
Background:
- Jumping kinematics in elderly individuals remain understudied.
- Aging significantly influences motor performance and coordination.
Purpose of the Study:
- To investigate the effects of aging on vertical jump performance.
- To examine age-related changes in interjoint coordination during jumping.
Main Methods:
- Maximal squat jumps were analyzed in two groups: young men (18-25 years) and older men (79-100 years).
- Kinematic data were collected using film analysis.
Main Results:
- Elderly adults demonstrated a 28 cm decrease in jump height compared to young adults.
- Older adults exhibited reduced hip, knee, and ankle linear velocity and angular amplitude.
- A shift from a proximo-distal to a simultaneous joint coordination pattern was observed in the elderly.
Conclusions:
- Reduced jump height in older adults is linked to decreased explosive force and muscle shortening range.
- Aging necessitates adjustments in interjoint coordination strategies for tasks like vertical jumping.