MUSCLES 



806 



MUSCLES 



Superficial Muscles of Pal- 

 mar Aspect of Forearm. 



I. Lower portion of biceps. 2. 

 Bicipital fascia. 3. Tendon of 

 insertion into radius. 4, 4. Bra- 

 chialis anticus. 5. Internal head 

 of triceps. 6. Pronator radii 

 teres. 7. Flexor carpi radialis. 

 8. Palmaris longus. 9. Its termi- 

 nation in palmar ligament. 10. 

 Flexor carpi ulnaris. 11. Its 

 attachment to pisiform bone. 12. 

 Supinator longus. 13. Its attach- 

 ment to styloid process of radius. 

 14, 14. Extensor carpi radialis 

 longior. 15. Extensor carpi ra- 

 dialis brevior. 16. Extensor os- 

 sis metacarpi pollicis. 17. Its 

 tendon of insertion into base of 

 first metacarpal bone. 18. Ten- 

 don of extensor secundi inter- 

 nodii pollicis. 19, 19. Flexor sub- 

 lines digitorum. 20, 20. Tendons 

 of this muscle. 21, 21. Their 

 attachment to second phalanges 



Triceps Brachialis, Posterior Aspect. 

 . Long, middle, or scapular head. 2. Its ten- 

 don of origin from scapula. 3. External, or 

 long humeral head. 4. Internal, or short 

 humeral head. 5. Common tendon. 6. At- 

 tachment to olecranon. 7. Anconeus. 8, 8. 

 Upper portion of deltoid, posterior half re- 

 moved. 9. Lower portion. 10 Supraspina- 

 tus. 11. Infraspinatus. 12. Teres minor, 

 middle portion removed. 13. Insertion of 

 teres minor into humerus. 14. Teres major. 

 15. Upper extremity of latissimus dorsi. 16 

 Supinator longus. 17. Extensor carpi radi- 

 alis longior. 18. Extensor carpi ulnaris. 19. 

 Flexor carpi ulnaris. 



of fingers. 22, 22. Attachment of tendons of 

 flexor profundus digitorum to last phalanges 

 of fingers. 23, 23. Lumbricales. 24. Abductor 

 pollicis. 25. Its insertion into first phalanx of 

 thumb. 26, 26. Flexor longus pollicis. 27. 

 Flexor brevis minimi digiti. 28. Abductor 

 minimi digiti. 



21..... 



Flexor Sublimis Digitortm. 

 . Flexor sublimis digitorum. 

 origin from the epitrochlea. 3. Its 

 origin from coronoid process of ulna 

 4, 4. Its aponeurosis of attach 11. 

 radius. 5, 5. Superficial tendi 

 middle and ring fingers. 6, 6. Deej 

 tendons, for little and index fi 

 7. Flexor longus pollicis. 8. I 

 don. 9,9. Bifurcation of tend 

 flexor sublimis. 10. Inten 

 tween divisions. 11,11. Ton.' 

 flexor profundus. 12. Tendon 

 brachialis anticus. 13. Commo 

 don of origin of superficial ep 

 lear muscles. 14. Tendon of 1 

 15. Supinator longus. 16. Its 

 ment to styloid process of radlui 



17. Extensor carpi radialis lo 



18, 18. Tendon of attachment > 

 nator radii teres, divided. 



don of extensor carpi radialis. a 

 Triceps. 21. Flexor carpi ulnaris 



22. Its attachment to pisiform bow 



23. Adductor minimi digiti. 

 Flexor brevis minimi digiti. 

 ductor brevis pollicis. 





