The way the radius and ulna (forearm bones) join with
the humerus forms a hinge - like joint, and wouldn't allow for the forearm to swing out to the sides.
Not exact matches
Both heads join together to extend along the
humerus bone
forming a single muscle belly.
Simply referred to as the acromium, this point
forms the summit of the shoulder and offers an attachment for the medial deltoid before it comes together with all the deltoid muscles to attach to the
humerus, just underneath the biceps.
Blades (scapula) are well laid back
forming a 90 degree angle with the upper arm (
humerus).