socket and ball
Your shoulder joint allows you to raise your arm above your head.
Pivot.
The ball-and-socket joint of the shoulder allows the upper arm to be raised and lowered.
the fixed the fixed
ball and socket joint
the fixed the fixed
the ball-and-socket joint
The ball-and-socket joint of the shoulder allows the upper arm to be raised and lowered.
There is a pivot joint found in the arm between the ulna and the radius. This joint allows you to turn your hand over. The only other pivot joint in the body is between the first and second cervical vertebrae.
The "Elbow" is the joint of your arm.
The inclination join connects the arm to the base of the microscope. The joint allows the microscope to be tilted for the convenience of the user.