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Effects of Chronic Physical Activity on Proprioception in Postural Control in Older Women

This study compares the impact of proprioceptive disruption on postural control across different age groups and physical activity levels in older women. Proprioceptive impairment is linked to decreased functional ability and increased fall risk in older individuals, highlighting the importance of preserving proprioception. Results suggest that physical and sport activities can help offset the disturbing effects of proprioceptive perturbation by enhancing sensory information utilization.

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Effects of Chronic Physical Activity on Proprioception in Postural Control in Older Women

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  1. Chronic physical activity preserves efficiency of proprioception inpostural control in older women Julien Maitre, PhD; Jean-Louis Jully, MD; Yannick Gasnier, MD; Thierry Paillard, PhD

  2. Aim • Compare effects of proprioceptive disruption on postural control for participants of different ages, according to their physical and/or sport activity levels. • Relevance • Proprioceptive impairment is associated with decreased functional ability and increased fall risk in older individuals. • Hence, optimization or preservation of proprioception is crucial in rehabilitation.

  3. Method • Participants: • 68 women grouped by age and physical and/or sport activity level: • Young active. • Old active. • Young sedentary. • Old sedentary. • Conditions: • Bipedal quiet stance (reference). • Bilateral Achilles tendon vibration. • Measures: • Center of foot pressure displacements. • Frequency analysis.

  4. Results • When proprioceptive information was disrupted, postural control disturbance was more important for old sedentary group than for other groups. • No differences between old active group and young sedentary group. • Postural control was less altered for young active group than for other groups.

  5. Conclusion • Aging decreases efficiency of postural control, regardless of assessment conditions. • Physical and sport activities may compensate for disturbing effects of proprioceptive perturbation through better use of sensory information, whatever the participant’s age.

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