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Do most voluntary human movement involve the rotation of a body part around an imaginary axis of rotation that passes through the center of a joint?

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Answer:

Yes, the most voluntary human movement involve the rotation of a body part around an imaginary axis of rotation that passes through the center of a joint.

Step-by-step explanation:

  • The "Center of Gravity" is an point around which body weight is 'evenly distributed'.
  • The gravity center of the body of a human can change to a considerable extent because the 'segments of the body' can drift their 'masses' with joint rotations.
  • The force of gravity in the body is in downward direction, towards the center of the earth
  • The "line of gravity" is very significant for "determining a person's ability" to maintain balance.
  • A reaction is needed when this 'center of gravity' falls outside the base.
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