Explain the types of joints?

1.	Explain the types of joints?
Answer» (I) Fibrous joints or Synarthroses: They are immovable fixed joints in which no movement between the bones is possible. Sutures of the flat skull bones are fibrous joints. (II) Cartilaginous joints or Amphiarthroses: They are slightly movable joints in which the joint surfaces are separated by a cartilage and slight movement is only possible, e.g., Joints of adjacent vertebrae of the vertebral column. (III) Synovial joints or Diarthroses joints: They are freely movable joints, the articulating bones are separated by a cavity which is filled with synovial fluid e.g., Pivot joint – between atlas and axis plane/gliding joint – between the carpals Saddle j oint – between the carpal and metacarpal Ball and socket joint – between humerus and pectoral girdle Hinge joint – knee joint Condyloid or angular or ellipsoid-joint between radius and carpal.

Answer»

(I) Fibrous joints or Synarthroses: They are immovable fixed joints in which no movement between the bones is possible. Sutures of the flat skull bones are fibrous joints.

(II) Cartilaginous joints or Amphiarthroses: They are slightly movable joints in which the joint surfaces are separated by a cartilage and slight movement is only possible, e.g., Joints of adjacent vertebrae of the vertebral column.

(III) Synovial joints or Diarthroses joints: They are freely movable joints, the articulating bones are separated by a cavity which is filled with synovial fluid e.g., Pivot joint – between atlas and axis plane/gliding joint – between the carpals

Saddle j oint – between the carpal and metacarpal
Ball and socket joint – between humerus and pectoral girdle
Hinge joint – knee joint
Condyloid or angular or ellipsoid-joint between radius and carpal.

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