An arm is an upper limb in the human body connecting the hand and wrist to the shoulder. Arm is the part of the upper limb between the shoulder and the elbow joint. Three long bones form the frame work of the shoulder and also consist of the three to four muscles.


Arms are necessary for various body movements like lifting, pulling, pushing. You can carry loads by your arms.


Arm pain may be because of muscle strain or sprain, faulty posture which causes the stress on the arm resulting in arm pain; deltoid abscess also results in arm pain.

Interesting facts:

Humerus the upper arm bone is jokingly called as the funny bone.  The injections are mostly given in the deltoid muscle of the arm.

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