JOINT

JOINT

A joint is the location at which two or more bones make contact

The joint classified into three types as follow:

1.     Synarthronis (sendi mati)

Synarthronis is a joint which permits no movement. The connector in this joint are connective fibers.

2.     Amphiarthronis (sendi kaku)

Amphiarthronis is a joint which permits slight movement. The connector in this joint is the cartilage tissue.

3.     Diarthronis (sendi gerak)

Diarthronis is a joint which permits free movement. The connector in this joint is synovial fluid.

Types of Diarthronis:

a.     The Hinge Joints (sendi engsel)

The hing joints are the joints which only allow in one direction. Example: knee and elbow joints.

b.    The Pivot Joints (sendi putar)

The pivot joints are the joints which allow bone to rotate around another bone. Example: the joints between the atlas and axis neck bone which enable you to turn your head.

c.     The Saddle Joints

The saddle joints are the joints which resemble a saddle. example: joints is the thumb between the metacarpal and carpal.

d.    The Ball and socket Joints

The ball and socket joints are the joints which enable movement in all direction.