i)Ball and socket
allow movement in all planes /directions i.e. 360°
rounded end of bone fits into a rounded/cavity in another bone
e.g. shoulder joint and hip joint
ii) Hinge joint
convex surface of one bone fits into the concave surface of another bone
this allows movement in only one plane/direction 180°
e.g. elbow joint and knee joint
iii) Pivot joint
allows rotation e. g. where atlas pivots on olecranon process of axis
Anganifelix answered the question on April 19, 2018 at 11:07
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