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AKThe radius is the lateral bone of the forearm and is homologous to the medial bone of the leg, the tibia
ANATOMICAL POSITION AND SIDE DETERMINATION
The side of radius can be determined by keeping the bone
vertically in such a way that:
1. The narrow disc-shaped end (head) is directed upwards.
2. The sharpest border (interosseous border) of the shaft is kept medially.
3. The styloid process at the lower end is directed laterally and prominent tubercle (Lister’s tubercle) at lower end faces dorsally.
4. The convexity of shaft faces laterally, and concave anterior surface of shaft faces anteriorly.
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