Humerus bone and Scapula Shoulder blade

The humerus is the both the largest bone in the arm and the only bone in the upper arm. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. Movement of the humerus is essential to all of the varied activities of the arm, such as throwing, lifting, and writing. The scapula is the technical name for the shoulder blade. It is a flat, triangular bone that lies over the back of the upper ribs. The rear surface can be felt under the skin. It serves as an attachment for some of the muscles and tendons of the arm, neck, chest and back and aids in the movements of the arm and shoulder.

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Keywords: acromion body bone bones capitulum coronoid epicondyle female fossa glenoid human humerus joint joints male radial radialfossa scapula shoulder skeletal skeleton subscapular tubercle tuberosity

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