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6. what is extension?

  • Increase in the angle of bones at a joint
  • movement of a bone or limb away from the midline of the body
  • a circular movement around a joint, or in other words, a movement around an axis
  • decrease in the angle of bones at a joint

7. what is flexion?

  • movement at the ankle joint that flexes the foot upwards and decreases the angle at the angle joint
  • decrease in the angle of bones at a joint
  • movement of a bone or limb away from the midline of the body