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The radius is opposite your ulna, on the lateral (thumb) side of your forearm. Your radius rotates over your ulna when you stretch your arm straight out in front of you with your palms facing down. They’re more parallel to each other when you hold your arms straight out with your palms face up.
Radial head and neck fractures: anatomic guidelines for proper placement of internal fixation. Journal of shoulder and elbow surgery. 1996 Mar 1;5(2):113-7. Soyer AD, Nowotarski PJ, Kelso TB, Mighell MA. Optimal position for plate fixation of complex fractures of the proximal radius: a cadaver study.
The narrow portion of the radius distal to the head forms the neck. Just below the neck is the oval-shaped, medially oriented radial (bicipital) tuberosity onto which the biceps brachii muscle inserts.
The neck of radius is the short, constricted portion on the proximal part of the bone. It is the inferior continuation of the head of the radius. It is located superior to the radial tuberosity.
Important bony landmarks include the head, neck and radial tuberosity: Head of radius – A disk shaped structure, with a concave articulating surface. It is thicker medially, where it takes part in the proximal radioulnar joint. Neck – A narrow area of bone, which lies between the radial head and radial tuberosity.
The radius or radial bone (pl.: radii or radiuses) is one of the two large bones of the forearm, the other being the ulna. It extends from the lateral side of the elbow to the thumb side of the wrist and runs parallel to the ulna. The ulna is longer than the radius, but the radius is thicker.
The radius is the thicker and shorter of the two long bones in the forearm. It is located on the lateral side of the forearm parallel to the ulna (in anatomical position with arms hanging at the sides of the body, palms facing forward) between the thumb and the elbow.
What is the radial bone facts, where is the radius located in arm, what does it do, anatomy (type, parts, joints formed), labeled diagram and x-ray image.
The neck of the radius is a narrow area located just distal to the head of the radius, connecting it to the radial shaft in the human forearm. This part allows for the rotation and stability necessary for arm movement.
The main parts of the proximal radius are the head, the neck and the radial tuberosity. Head: articulates with the capitulum of the humerus. Medially it articulates with the radial notch of the ulna. Neck: narrowing of the radius between the head the the radial tuberosity.