ACTION OF MUSCLES. 57 



wards, trapezius, levator scapulae, rhomboidei. Downwards^ 

 trapezius, latissimus dorsi, pectoralis minor. 



Easterns ; forwards, deltoid, pectoralis major; assisted, 

 sometimes, by biceps, coraco-brachialis. Backwards, del- 

 toid, tercs major and minor, triceps (long head), latissimus 

 dorsi. Inwards, pectoralis major, latissimus dorsi. Rotated 

 inwards, subscapularis, assisted by pectoralis major, lat. 

 dorsi, teres major. JR. outwards, supra-spinatus, iufra-spina- 

 tus, tercs minor. 



Forearm: forwards, ticeps, brachialis anticus, pronator 

 radii tercs; assisted by flex, carpi rad., flex, sublimis digito- 

 rum, flex, carpi ulnaris, supinator longus. Backwards, tri- 

 ceps, anconeus. Rotated inwards, pronator radii teres, flex, 

 carpi radialis, palmaris longus, flexor sublimis dig., pronator 

 quadratus. R. outwards, biceps, supinator brevis, extensor 

 secuncli internodii pollicis. 



CarpttS: forwards, flex, carpi radialis, palmaris longus, 

 flex, sublimis and profundus dig., flex, carpi ulnaris, flex, 

 longus pollicis. Backwards, ext. carpi rad. long, and brev. 

 ext. secundi internodii policis, ext. indicis, ext. com. dig., 

 ext. prop, pollicis. Outuards, flex, carpi rad., ext. carp. rad. 

 long, and brevior, ext. ossis metacarpi pol., ext. primi inter- 

 nodii pol. Inwards, flex, sublim. and profund. digitorum, 

 flex, and ext. carpi ulnaris, ext. com. dig., ext. min. digiti. 



Thumb : iuwards and forwards, opponens, flex, brevis 

 and flv. x. long, pollicis. Outwards and backwards, ext. ossis 

 metacarpi, ext. primi and secundi internodii pollicis. Up- 

 wards and away from fingers , abductor, flex. brev. pollicis* 

 Backwards and towards fingers, adductor, ext. primi and 

 secuntli internodii pollicis. 



TiagerS \flexed, flex, sublimis and profundus dig., lumbri- 

 cales, flex, and abductor minimi digiti. Backwards, ext. com- 

 munis, ext. minimi digiti and indicis. Outwards, interossci, 

 abductor indicis and minimi digiti. Inwards, interossei, ab- 

 ductor minimi digiti. 



Thigh \forwards, psoas mag., iliacus, tensor vaginae fern, 

 pectiacus, adductor longus and brcvis. Backwards, glut, 

 max. and med., pyriformis, obturator intern., add. mag., 

 biceps, semitend., semi-membranosus. Inwards, psoas mag., 

 iliacus, pectineus, gracilis, the 3 adductores, obturator 

 extern., quad, femoris. Outwards, tens. vag. fern., the 3 

 glutaei, pyriformis. Rotated inwards, tens. vag. fern., glut, 

 mcd., and, if leg extended, sartorius, semi-tendinosus. R. 

 outwards, glut. max. and med., pyriformis, gemelli, obtura- 



