Radius (radial bone) - The shorter of the two long bones of the forearm, extending from the elbow to the wrist; it is the bone on the thumb side of the arm.

Radius (radial bone) - The shorter of the two long bones of the forearm, extending from the elbow to the wrist; it is the bone on the thumb side of the arm.

compact bone (anatomy) -- Encyclopedia Britannica

Longitudinal section of the humerus (upper arm bone), showing outer compact bone and inner cancellous (spongy) bone.

Shoulder Impingement Syndrome occurs when the subacromial space lesses due to misalignment, abnormal bone growths, thickening of the tendon, or swelling in the bursa.

Shoulder Impingement Syndrome occurs when the subacromial space lesses due to misalignment, abnormal bone growths, thickening of the tendon, or swelling in the bursa.

The radius connects to many muscles, such as  the biceps, supinator, flexor digitorum superficialis, flexor pollicis longus muscles, extensor ossis metacarpi pollicis, extensor primi internodii pollicis and the pronator teres muscles   Furthermore, the radius is found on each arm thus contributing a total of two bones to the human body skeleton. http://www.learnbones.com/arm-bones-anatomy/

The arm bones, learn what they are and what they do also learn the muscles that are attached.

upper arm bone and ribs of Rukwatitan in a cliff; with a 2-inch brush is for scale.

upper arm bone and ribs of Rukwatitan in a cliff; with a 2-inch brush is for scale.

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