Illustrated Encyclopedia of Human Anatomic Variation: Part 1: Muscular System

Listing of Media: E

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

Epitrochleoanconeus

Epitrochleoanconeus.
from Gruber, 1867

Extensor Carpi Radialis Brevis and Extensor Carpi Radialis Longus

Duplication of Extensor Carpi Radialis Brevis and division of its tendon (C), and Pisipalmaris (A,B).
Absence of Palmaris Longus.
Note that its the accessory muscle that inserts onto the bases of the first and second metacarpal bones.
from Calori.

Extensor Digiti Minimi (Proprius)(Manus)

Extensor Digiti Quinti Proprius Muscle Tendon Supplies Both the Fourth and Fifth Digits.
(Vesalius, Fabrica, 1543), from Straus, Jr. and Temkin.

Extensor Digitorum Communis

Extensor Digitorum Communis Supplying Index, Middle, and Ring Fingers as a single unit.
from Vesalius, Fabricus, 1543, in Straus, Jr. and Temkin.

Extensor Medii Proprius.
from Vesalius, Fabricus, 1543, in Straus, Jr. and Temkin.

Doubled Extensor Digiti Medii.
from Calori.

Extensor digiti medii longus and brevis.
from Calori

Extensor Indicis Proprius

Extensor digiti medii brevis and extensor bicaudatus digiti medii et tertii. from Calori, 1867

Extensor Pollicis Longus

Note the muscular slip (red) that extends from the tendon of brachioradialis to the tendon (yellow)of abductor pollicis longus
From Calori.

Extensor pollicis et indicis.
from Calori.

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