Muscles and Joints-B5

  • Created by: Shannon
  • Created on: 29-05-13 11:00
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  • Muscles and Joints
    • Antagonistic muscles
      • Raise the forearm, biceps contract and triceps relax
      • Lower the forearm, biceps relax and triceps
      • Lever-elbow is fulcrum-effort is multiplied-greater force
    • Synovial joints-ball and socket
      • Synovial fluid-lubricant for easy movement, cushion against shocks, held in place by the membrane
      • Ball and socket joints have a wider range of movement than hinges
      • Ligaments-hold bones in place
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