. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. MUSCLES OE THE ANTEKIOR EXTREMITY. -85 i\ 59. 'xor (Ugitoriim coiniauim (Fig-s. 75, 76, 77 Fd). Dugès, epitrochlo-sous-phalangettieu, n. 118. This muscle lies most internally, and corresponds to the m. flexor d'tyitorum suhlimis of man. It arises in common with the foregoing- muscle from the epicondylm medialis, and runs downwards to the palm of the hand. At its entrance into this it diminishes and passes into the flat aimneuro-ns pahnarl^. (See hand, B.) 60. 21. flexor antihraclni medialls (Ecker), (Fig. 75 Fa). Dugès, ep
. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. MUSCLES OE THE ANTEKIOR EXTREMITY. -85 i\ 59. 'xor (Ugitoriim coiniauim (Fig-s. 75, 76, 77 Fd). Dugès, epitrochlo-sous-phalangettieu, n. 118. This muscle lies most internally, and corresponds to the m. flexor d'tyitorum suhlimis of man. It arises in common with the foregoing- muscle from the epicondylm medialis, and runs downwards to the palm of the hand. At its entrance into this it diminishes and passes into the flat aimneuro-ns pahnarl^. (See hand, B.) 60. 21. flexor antihraclni medialls (Ecker), (Fig. 75 Fa). Dugès, epitrochio-sous-radial, n. 79. (Frequently described as the pro- nator rotttndus, a description which cannot be retained, as the implied movement does not occur in the frog.—Ecker.) This muscle lies deeply on the inner side of the forearm, covered by theflexores carjji ; it arises tendinously from the ejjicond///ns me- dialis and is inserted into the inner surface of the radial side of the radio-ulnar as far as the inferior articu^lar extremity. 61. M. flexor aniihrachii laferalis -s/'- perflcialis (Ecker), (Figs. 74, 75 Fa'). Dugès. premier ex-humero-radial, n. 76. i^Usually described as supinator lonffiis, this, for reasons similar to those in the case of m. aiiiihrackii mediallx, cannot be retained.) The situation of this muscle corresponds with that of the -siipinafor longus of man ; it lies to the outer side of the tendon of the Til. sternoradkdh, and arises by two heads, the one, above from the outer edg'e of the humerus, the other deeper from the epicondylvs laieralh. They unite and pass into a tendon which, running- over the lower articular extremity of the radio- ulnar, is partly attached to the carpus and partly connected with the tendon of the m. extensordiglt'i IIjjroprins longus. From its position and insertion, this muscle evidently flexes the forearm and extends the hand. 62. 31. flexor antibracJni laferalis profII nd IIS (EicVev), (Fig. 75 Fa").
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