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SHOULDER
PAIN
It is possible to do more movements with the arm than with
any other part of the body. The arm is such a useful tool
that its a pity that there are only two of them! The bones
that make up the arm include the humerus, in the upper arm,
and the two bones of the forearm, the radius and ulna, as
well as the little bones of the wrist, hand and fingers. The
arm is very special as it enables the hand to get into all
sorts of useful positions.
The shoulder joint in particular,
being a universal joint, has a huge range of movement. The
hand can go above the head, behind the back and even across
to scratch behind the other shoulder. The elbow works like
a hinge joint allowing the hand to come nearer or go further
away from the body.
The elbow and wrist combined allow manipulation
of the hand through more than 180 degrees i.e. from palm up
to palm down, the wrist helps with grip, whilst the joints
in the hand, thumb and fingers allow the dexterity of finger
movement.
See
Frozen shoulder, Neck
pain, Slipped disc,
Referred pain.
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