The extensor indicis et medii communis is a rare anatomical variant in the extensor compartment of forearm. This additional muscle lies in the deep extensor layer next to the extensor indicis proprius
Extensor indicis et medii communis (EIMC) and extensor indicis proprius (EIP)
Extensor indicis muscle
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In human anatomy, the extensor indicis is a narrow, elongated skeletal muscle in the deep layer of the dorsal forearm, placed medial to, and parallel with, the extensor pollicis longus. Its tendon goe
Extensor indicis et medii communis muscle
…medii communis is a rare anatomical variant in the extensor compartment of forearm. This additional muscle lies in the deep extensor layer next to the extensor indicis proprius and the extensor pollicis longus. The characteristics of this anomalous muscle resemble those of the extensor indicis proprius, with split tendons to…
Posterior aspect of the right forearm and hand. Deep muscles. Extensor indicis muscle is labeled 11. (From Testut's Anatomy.)
Anatomical illustration depicting several deep muscles of the posterior aspect of the right forearm and hand. The extensor indicis is labeled 6. (From Testut's Anatomy.)
Extensor indicis muscle
Extensor indicis muscle