küünarluu
The küünarluu, known in English as the ulna, is one of the two long bones located in the forearm of the human body. It is situated on the medial side of the forearm, meaning it is closer to the midline of the body, and runs parallel to the radius. The ulna is the longer of the two forearm bones.
The ulna has several key features. Its proximal end (closest to the elbow) forms the olecranon, which
The shaft of the ulna is roughly triangular in cross-section and serves as an attachment point for