anatomy of hand

1. Sajan Skaria
Asst. professor
AIIMS Udaipur

2. Hand (manus)
Manual

3. BONES -
8
5
14
27 bones
She LooksToo Pretty
Try To CatchHer

4. Skin- Palmar creases
PALM
AR
DORS
AL
Deratoglyphics

5. Langer’s line (cleavage lines )

6. Cutaneous innervations of hand

7. Superficial fascia- Palmaris brevis muscle

8. Deep fascia
Flexor retinaculum
Palmar aponeurosis
Fibrous flexor sheaths

9. Deep fascia -Flexor retinaculum, carpal tunnel

10. Deep fascia -Flexor retinaculum
Structures passing - superficial , deep

11. Guyon’s canal – syndrome

12. Carpal tunnel syndrome

13. Deep fascia - Palmar Aponeurosis

14. Dupuytren’s contracture

15. Deep fascia -Fibrous flexor sheaths of fingers

16. Trigger finger

17. Synovial sheaths
Ulnar bursa
Radial bursa
Tenosynovitis

18. Muscles of Hand
Intrinsic - 20
 Thenar muscles -4
 Hypothenar muscles
-4
 Palmar & dorsal
interossei - 8
 Lumbricals -4
Extrinsic
Long flexor tendons

19. Thenar muscles
 Abductor pollicis brevis
 Adductor pollicis
 Flexor pollicis
 Opponens pollics

20. Adductor pollicis
Froment’s sign

21. Hypothenar muscles
 Palmaris longus
 Abductor digiti minim
 Flexor digiti minimi brevis
 Opponens digiti minimi

22. Lumbricals -

23. Interossei
Palmar interossei
Adducts
Dorsal interossei
ABducts

24. NerveSupply
All the muscles of thenar eminence is
supplied by median nerve except adductor
pollicis which is supplied by deep branch
of ulnarnerve
All the muscles of hypothenareminence iss
upplied by deepbranch of ulnar nerve except
palmarisbrevis whichis suppliedby superficial
branchof ulnarnerve
I &IIlumbricalsaresuppliedbymediannerve
III&IVlumbricalsaresuppliedbyDeepbranchof ulnar
nerve
Palmar& dorsalinterosseiaresuppliedbydeepbranchof
ulnarnerve

25. Arteries on hand- Radial & Ulnar arteries

26. Superficial Palmar arch

27. Deep palmar arch

28. Nerves of hand
Median nerve
Ulnar nerve

29. Ulnar nerve in palm- superficial branch

30. Ulnar nerve in palm-deep branch

31. Neurovascular structure in palm