Saturday, 9 March 2013

Simailarity and difference between Hinge Joint (S) and Ball and Socket (T)




Similarities:
F1 Both Joint S and Joint T has a cavity filled with svnovial fluid // lined with synovial membrane
El Synovial fluid acts as lubricant to reduce friction between bones // absorbs shock of the movement.
F2 The end surfaces of the humerus bone of Joint S and Joint T are covered with cartilage
E2 To protect the bone / reduce friction between the bones
F3 Both Joint S and T are connected with ligaments
E3 to absorb shock // strengthen the articulation of bones/ joint.

Differences:
D1 Joint S is hinge joint
E4 Joint S allows the movement of bones in one plane / direction
D2 Joint T is ball-and-socket joint.
E5 Joint T allows rotational movement of bones in all directions.



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