Anatomy
A thin, fibrous sheet connecting between the medial border of the radius to the lateral border of the ulna. The collagen fibres pass obliquely downwards from the radius to the ulna.
It has a free upper margin inferior to the radial tuberosity and a small hole in its distal third. These holes allow passageway for the vessels of the arm.
Functions
Connects the radius and ulna without restricting movement.
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