<p>JSSS Student Structure and action of different joints OB27</p><p>Comparing a hinge joint and a ball and socket joint using a model</p><p>Fact</p><p>A joint is a place in the skeleton where two or more bones meet. Some joints allow movement, others are for protection. Examine a model or a photograph of the human leg bones. Locate the following bones: pelvis, femur, tibia. There are two joints in this model of the leg. One is a hinge joint, the other is a ball and socket joint. Identify each joint. Check you answers with you teacher.</p><p>Complete the following worksheet.</p><p>1. What type of joint is the joint in the hip? ______2. What are the two bones that meet for movement in this joint? ______</p><p>3. What kind of movement in the hip is helped by this joint? ______</p><p>4. Name any other place in the body you could find a joint like this ______</p><p>5. Can you think of a non-living object that moves in the same way as this joint? ______</p><p>6. Draw a simple line sketch of this joint. Label the bones in your diagram. ______</p><p>1 JSSS Student 7. What type of joint is the knee joint? ______</p><p>8. Name two of the bones that meet for movement in this joint. ______</p><p>9. Name three other places in the body you could find a joint like this ______</p><p>10. Can you think of a non-living object that moves in the same way as this joint? ______</p><p>11. Draw a simple line sketch of this joint. Label the bones in your diagram. ______</p><p>2 JSSS Student</p><p>Photograph of leg model to go he</p><p>3</p>