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Postural Control

KINE 3301 Biomechanics of Human Movement. Postural Control. Chapter 20. The vestibular system measures linear and angular accelerations of the head.

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Postural Control

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  1. KINE 3301 Biomechanics of Human Movement Postural Control Chapter 20

  2. The vestibular system measures linear and angular accelerations of the head. The brain must evaluate visual, vestibular & somatosensory data to determine the accuracy of each and select an appropriate response to a postural challenge.

  3. NeuroCom Sensory Organization Test (SOT)

  4. Sensory Organizational Theory • The brain gathers somatosensory, vestibular & vision data to determine body orientation and equilibrium. • The brain then evaluates available data to resolve an conflicting information and select an appropriate response. • Somatosensory & vision are more sensitive to postural challenges then vestibular, but they are more likely to inaccurate or misleading information.

  5. Reflex Latency of Postural Control Signals

  6. Postural Control & Fall Risk in the Elderly • Muscular strength & vision decline with aging. • Flexibility also declines which adversely affects corrective responses. • Bone mineral density and bone strength also decline with aging. • Due to osteoporosis & osteoarthritis elderly individuals can not tolerate “high intensity” training. • Medications may also increase fall risk.

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