The following systems are involved in the declining ability to balance with aging:
A. the nervous system, through slowed nerve conduction speed.
B. the visual system, through a decline in visual information about the environment.
C. the kinesthetic system, through a loss of kinesthetic receptor sensitivity in the lower limbs.
- The nervous system loses the number of neurons with age so the nerve conduction speed reduces. Hence, option A is correct.
- The visual system also deteriorate with aging the eye muscles are not able to expand much so all the visual stimuli are not able to be captured by the eye in aged individual. Hence, option B is correct.
- Kinesthetic system is the sensory system which recognizes the touch. The lower limbs lose the kinesthetic ability to recognize the touch with age. Hence, option C is correct.
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