Structure and Action of Different Joints OB27

JSSS Student Structure and action of different joints OB27

Comparing a hinge joint and a ball and socket joint using a model

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.

Complete the following worksheet.

1. What type of joint is the joint in the hip? ______2. What are the two bones that meet for movement in this joint? ______

3. What kind of movement in the hip is helped by this joint? ______

4. Name any other place in the body you could find a joint like this ______

5. Can you think of a non-living object that moves in the same way as this joint? ______

6. Draw a simple line sketch of this joint. Label the bones in your diagram. ______

1 JSSS Student 7. What type of joint is the knee joint? ______

8. Name two of the bones that meet for movement in this joint. ______

9. Name three other places in the body you could find a joint like this ______

10. Can you think of a non-living object that moves in the same way as this joint? ______

11. Draw a simple line sketch of this joint. Label the bones in your diagram. ______

2 JSSS Student

Photograph of leg model to go he