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Sport Books Publisher1 Joints of the Human Body Joint Classification Synovial Joints – Characteristics of synovial joint – Types of synovial joints.

Published byKenneth Carroll Modified over 8 years ago

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Presentation on theme: "Sport Books Publisher1 Joints of the Human Body Joint Classification Synovial Joints – Characteristics of synovial joint – Types of synovial joints."— Presentation transcript:

1 Sport Books Publisher1 Joints of the Human Body Joint Classification Synovial Joints – Characteristics of synovial joint – Types of synovial joints

2 Sport Books Publisher2 Joint is a point of connection between two bones Strands of connective tissue, ligaments, hold the bones together and ensure the stability of joints

3 Sport Books Publisher3 Joint Classification Joints are classified according to their motion capabilities: – Synarthroses Immovable – Amphiarthroses Slightly movable – Diarthroses Allow the greatest amount of motion

4 Sport Books Publisher4 Joint Classification Cont ’ d Joints are further classified by the material that joints them: – Fibrous joint Allow no movement E.g. sutures of the scull – Cartilaginous joints Allow limited movement E.g. intervertebral discs – Synovial joints Allow large range of movements E.g. hip joint

5 Fibrous Joint - Synarthroses Sport Books Publisher5

6 Cartilaginous Joint- Amphiarthroses Sport Books Publisher6

7 Synovial Joint- Diarthroses Sport Books Publisher7

8 8 Types of Synovial Joints There are three basic types of synovial joints: – unilateral (rotation only about one axis) – biaxial joints (movement about two perpendicular axes) – multiaxial joints (movement about all three perpendicular axes)

9 Sport Books Publisher9 Hinge Joint Uniaxial Has one articulating surface that is convex, and another that is concave E.g. humero-ulnar elbow joint, interphalangeal joint

10 Sport Books Publisher10 Pivot Joint Uniaxial E.g. head of radius rotating against ulna

11 Sport Books Publisher11 Condyloid/Ellipsoidal Joint Biaxial (flexion-extension, abduction-adduction) The joint surfaces are usually oval One joint surface is an ovular convex shape, and the other is a reciprocally shaped concave surface

12 Sport Books Publisher12 Saddle Joint Biaxial (flexion-extension, abduction- adduction) The bones set together as in sitting on a horse

13 Sport Books Publisher13 Ball and Socket Joint Multiaxial (rotation in all planes) A rounded bone is fitted into a cup=like receptacle

14 Sport Books Publisher14 Plane (Gliding) Joint Uniaxial (permits gliding movements) The bone surfaces involved are nearly flat E.g. Carpal and Tarsals

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