About radial bone true statements.: (A) Radial groove is present, (B) Major contributor to wrist joint, (C) Lateral bone of forearm, (D) Medial bone of forearm
Answer is C. The major contribution to the wrist joint is from the ulna. The ulna is located on the medial side of the forearm, and the radius is on the lateral side. These bones are attached to each other by an interosseous membrane. The ulna is the medial bone of the forearm REF: BD Chaurasia 7th edition Page no: 18.