Introduction The radius is one of the two long bones that make up your forearm, along with the ulna. It is located on the lateral side of the forearm, which is the same side as the thumb. The radius plays a crucial role in the movement and stability of the forearm and hand, enabling activities…
Introduction The humerus, the biggest bone in the upper extremities, makes up the human brachium, or arm. It articulates with the radius and ulna distally at the elbow joint and proximally at the glenohumeral (GH) joint with the glenoid. The humerus’s most proximal portion is its head, which connects to the glenoid cavity on the…
