How many kinds of arm bones are there in the human body?
The bones of the Arms is the humerus, there are two in the body while the forearm has two bones consists of radius and ulna. Bones of the Arm and Forearm The arm bone is the humerus and the forearm bones are the radius and ulna. The details of the humerus are shown in the adjacent diagram. The structures you should be able to identify are: * head * anatomical neck * greater tubercle * lesser tubercle * crest of the greater tubercle * crest of the lesser tubercle * intertubercular sulcus (groove) * deltoid tuberosity * medial epicondyle * lateral epicondyle * capitulum * trochlea * coronoid fossa * olecranon fossa Sources: http://home.comcast.net/~wnor/lesson4bonesofarm&forearm.
