24+ Anatomi Radius Ulna Bones Background. Learn major structures on the forearm bone. The forearm bones consist of the radius and ulna.
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Slightly inferior to the radial notch, the ulnar tuberosity can be landmarked which is one of two muscle attachment sites for the brachialis muscle. Radius along with ulna in the medial surface, there is a concavity, called the ulnar notch, which articulates with the head of the ulna, forming the distal radioulnar joint. The last, but not the least, bone of the arm is the ulna.
The radius bone is the lateral bone of the forearm, and is homologous with the tibia of the lower limb.
The ulna bone is one of the two bones found within the forearm, and works alongside the radius to create various movements within. Radius, in anatomy, the outer of the two bones of the forearm when viewed with the palm facing forward. Slightly inferior to the radial notch, the ulnar tuberosity can be landmarked which is one of two muscle attachment sites for the brachialis muscle. This injury often occurs in isolation but is not infrequently associated with an ulnar styloid fracture.
