Mariano del Sol & Aladino Cerda

Summary

Extensor carpi radialis are two lateral muscles of the posterior compartment of the forearm which are often used in tendon-transfer surgery. The anatomical variations of these muscles are quite common and knowledge about these variations is clinically significant, as it is useful to correct deformities of the hand. The aim of this study is to know the anatomy of the extensor radial muscles, embryology, anatomical variations and their clinical significance.

KEY WORDS: Musculus extensor carpi radialis; Musculus extensor carpi radialis longus; Musculus extensor carpi radialis brevis; Upper limb; Tendon transfer surgery.

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