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HMS, BM EQ-Bank 25

A volleyball player performs a spike at the net. Describe the sequence of joint actions that occur at the shoulder and elbow during this movement.  (3 marks)

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Sample answer

  • The volleyball spike begins with the shoulder joint in extension as the arm is drawn back behind the body.
  • As the arm moves forward to contact the ball, the shoulder undergoes flexion while simultaneously the elbow joint moves from flexion to extension.
  • The power generated through this coordinated sequence of joint actions enables the player to strike the ball with force while maintaining control through the movement.
Show Worked Solution

Sample answer

  • The volleyball spike begins with the shoulder joint in extension as the arm is drawn back behind the body.
  • As the arm moves forward to contact the ball, the shoulder undergoes flexion while simultaneously the elbow joint moves from flexion to extension.
  • The power generated through this coordinated sequence of joint actions enables the player to strike the ball with force while maintaining control through the movement.