Arm Bone Anatomy

Arm Bone Anatomy Humerus - ANS-Upper arm bone Radius - ANS-Bone in forearm "on the thumb side", larger in the proximal forearm. Ulna - ANS-Inner and larger bone of the forearm, attached to the wrist and located on the side of the little finger. greater and lesser tubercles (H) - ANS-There are 2 small roughened elevations of the proximal portion of the humerus, seperated by a groove. head (H) - ANS-ball to ball-and-socket joint neck (anatomical or surgical) (H) - ANS-bellow head deltoid tuberosity (H) - ANS-deltoid insertion (where the muscle connects to the bone olecranon fossa (H) - ANS-receives olecranon process ulna during extension of the elbow coronoid fossa (H) - ANS-is a medial, anterior depression above the trochlea that receives the coronoid process of the ulna when the forearm is flexed medical and lateral epicondyles - ANS-medial is inner and lateral is on the outside. In the elbow joint. capitulum (H) - ANS-Distal end of the humerus, articulates with the head of the radius CONTINUES...