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Types of Joints.

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Presentation on theme: "Types of Joints."— Presentation transcript:

1 Types of Joints


3 Ball and Socket Structure
A bone with a round end fits in a cup-shaped socket that does not move

4 Ball and Socket Movement Produced
Circular Nearly 3600 Allow twisting and turning movement

5 Ball and Socket Examples
Hip Shoulder

6 Hinge Structure One bone has an outwardly curved surface and the other bone has an inwardly curved surface

7 Hinge Movement Produced
Two opposite directions such as back and forth Up and down nearly 900 Allow parts to bend and straighten

8 Hinge Examples Elbow Knee

9 Gliding Structure The surfaces of the bones that touch are flat

10 Gliding Movement Produced
Bones move back and forth or side to side

11 Gliding Examples Wrist Ankles

12 Pivot Structure Rounded end of one bone passes through a hole in another

13 Pivot Movement Produced
Allows twisting

14 Pivot Examples Head on neck

15 What are Ligaments? Fibrous bands of connective tissue linking two or more bones, cartilages, or structures together, to form a joint.

16 5 functions of a skeleton
Support –the body is kept in position by the muscles that attach to the skeleton. Protection –the flat bones protect the internal organs. Movement –provided by the joints

17 5 Functions of a Skeleton
Production of Blood –blood cells are produced in the red bone marrow in the center of some bones, including the pelvis, ribs, vertebrae and sternum. The yellow bone marrow stores fat. Storage –Minerals are stored in the bone, mostly calcium and phosphorus

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