1. Bones – End of Topic Test
Year 8 Term 2

3. Functions of the Skeleton
There are 3 main functions of the skeleton.
Protection
Movement
Support

8. Leg Arm

10. Joints & Movement A joint is a place where two or more bones meet.
Hinge joint – this allows flexion and extension at the joint e.g. the elbow and knee.

11. Joints and Movement
Ball and socket Joint – The head of the long bone is shaped like a ball and fits into a socket, which is shaped like a cup e.g. shoulder joint.
The three main movements are rotation, abduction and adduction. Flexion and extension are also possible.