MUSCLES 805 MUSCLES 



TABLE OF MUSCLES.— Continued. 



Name. 



Origin. 



Insertion. 



Innervation. 



Function. 



Extensor primi inter- Fibula and interosseous 

 nodii halfucis longus | membrane. 

 (anomalous). 



Inner part of base of first 

 phalanx of hallux. 



Extensor primi inter- 

 nodii pollicis. 



Back of radius. 



Base of first phalanx of Posterior interos- Extends thumb, 

 thumb. seous. 



Extensor primi inter- 

 nodii pollicis et indicis 

 (anomalous). 



Between extensor indicis First phalanges of thumb 

 and extensor secundi in- and index hnger. 

 ternodii pollicis. 



Extensor proprius digiti 

 minimi. 



Lower part of ulna, or 

 posterior ligament of 

 wrist-joint. 



Base of first phalanx of 

 little finger. 



Extensor proprius hal- 

 lucis. 



Middle of fibula. 



Base of last phalanx of Anterior tibial, 

 great toe. 



Extends great toe. 



Extensor secundi inter- 

 nodii pollicis. 



Back of ulna. 



Flexor accessorius digi- I. Inner ; 2. Outer surface 

 torum pedis (2 heads). of os calcis. 



Base of last phalanx of Posterior interos- Extends thumb, 

 thumb. seous. 



Tendon of flexor longus External plantar, 

 digitorum. 



Accessory flexor of toes. 



Flexor accessorius Ion- Fascia over flexor longus , Sesamoid bone in tendon 



gus (anomalous). 



Flexor accessorius lon- 

 gus digitorum pedis. 



Shaft of tibia or fibula. 



of peroneus longus. 



Tubercle of os calcis, External plantar, 

 and joins tendon of 

 long flexor. 



' Assists in flexing toes. 



Flexor brevis digitorum Inner tuberosity of. os Second phalanges of the Internal plantar, 

 pedis. calcis and plantar fascia. lesser toes. 



Flexes lesser toes. 



1 



j Flex 

 I dig 



or brevis hallucis. 



Under surface of cuboid, 

 plantar ligaments, and 

 external cuneiform. 



Base of first phalanx of Internal plantar, 

 great toe. 



Flexes and slightly ad- 

 ducts first phalanx of 

 great toe. 



Flexor brevis minimi Unciform bone and annu- 

 digiti nanus. lar ligament. 



Flexor brevis minimi 

 digiti pedis. 



First phalanx of little 

 finger. 



Ulnar. 



Flexes little finger. 



Base of fifth metatarsal. 



Base of first phalanx of 

 little toe. 



External plantar. 



Flexes little toe. 



Flexor brevis pollicis 

 manus. 



2 heads — outer: lower bor- 

 der of anterior annular 

 ligament ; ridge of trape- 

 zium ; inner: os mag- 

 num, and bases of first, 

 second, and third meta- 

 carpal bones. 



Base of first phalanx of 

 thumb. 



Outer head — median, 

 palmar branch. In- 

 ner head— deep ul- 

 nar. 



Flexes metacarpal bone 

 of thumb. 



Flexor brevis pollicis 

 pedis. 



See Flexor brevis hallucis. 



Flexor carpi radialis. 



Internal condyle of hu- Metacarpal bone of in- 

 merus. dex finger. 



Median. 



: Flexes wrist. 



Flexor carpi radialis vel Anterior surface of radius, Annular ligament or 

 profundus (anoma- above the pronator quad- ; trapezium, magnum or 



Ions). 



Flexor carpi ulnaris (2 1. Internal condyle. 

 heads). Olecranon and ulna. 



base of second or third 

 metacarpal bone. 



Flexor cruris. 



See Biceps femoris. 



5th metacarpal, annular 

 lig. and pisiform bone. 



Ulnar. 



Flexes wrist. 



Flexor indicis. 



II 



The name given to the in- 

 dicial portion of the 

 flexor profundus digito- 

 rum, when it is distinct. 



exor longus digi to- Shaft of tibia. 

 m pedis. 



Last phalanges of toes. 



Posterior tibial. 



Flexes phalanges and ex- 

 tends ankle. 



exor longus hallucis. Lower two-thirds of shaft Last phalanx of great 

 of fibula. ; toe. 



Posterior tibial. 



Flexes great toe. 



Flexor longus pollicis. Shaft of radius and coro- I Last phalanx of thumb, 

 noid process of ulna. 



Anterior interosseous. 



Flexes the phalanx. 



Flexor ossis metacarpi See Opponens pollicis. 

 pollicis. 



lexor perforatus. 



See Flexor brevis digito 



rum pedis. 





