Slideshow: Carpus and Hand Bones

Slideshow: Carpus andf Hand Bones

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1. Carpus and Hand Bones

2. Palmar aspect Right Hand The human hand is made up of 27 bones Radial side Ulnar side

3. Orientation of the Hand

4. The wrist is made up of eight small bones called the Carpal Bones The Carpal Bones

5. Distal to the Carpal Bones are the 5 Metacarpals Thumb is Metacarpal 1 Little finger is Metacarpal 5 1 5 4 3 2 The Metacarpals Thumb Index Middle Ring Little

6. The Phalanges lie Distal to the Metacarpals The Phalanges Digits 2-5 have three Phalanges each

7. Proximal Phalanx The Phalanges

8. The Phalanges Intermediate Phalanx Proximal Phalanx

9. The Phalanges Terminal Phalanx Intermediate Phalanx Proximal Phalanx

10. The Phalanges The thumb has only two phalanges

11. The Phalanges Proximal Phalanx

12. The Phalanges Distal Phalanx Proximal Phalanx

13. The Carpal Bones

14. The Carpus is made up of eight small bones

15. There are two rows Proximal row Distal row distal row proximal row

16. proximal row distal row thumb little finger Radial side Ulnar side Ulna Radius Right hand, palm up

17. little finger Radial side Ulnar side Ulna Radius Trapezium thumb The distal row Right hand, palm up

18. Radial side Ulnar side Ulna Radius Trapezoid The distal row Right hand, palm up little finger thumb

19. Radial side Ulnar side Ulna Radius Capitate The distal row Right hand, palm up little finger thumb

20. Radial side Ulnar side Ulna Radius Hamate The distal row Right hand, palm up Hook of the Hamate little finger thumb

21. Radial side Ulnar side Ulna Radius Scaphoid The proximal row Right hand, palm up little finger thumb

22. Radial side Ulnar side Ulna Radius Lunate The proximal row Right hand, palm up little finger thumb

23. Radial side Ulnar side Ulna Radius Triquetral The proximal row Right hand, palm up little finger thumb

24. Radial side Ulnar side Ulna Radius Pisiform The proximal row Right hand, palm up little finger thumb

25. Radius Ulna Hamate Pisiform Triquetral Lunate Trapezium Medial aspect Right Hand

26. Radius Ulna Hamate Scaphoid Triquetral Lunate Ulnar side Radial side little finger thumb Pisiform Capitate Trapezoid Trapezium Dorsal Aspect Right Hand

27. Radius Ulna Hamate Scaphoid Triquetral Lunate Pisiform Trapezium Right Hand Lateral or Radial view Trapezoid Lateral aspect right hand

28. (little finger) Radial side Ulnar side Pisiform (thumb) 1 6 7 8 2 3 4 5 Some Lovers Try Positions That They Can ’ t 8 Handle Useful Pnemonic Right Hand Volar aspect

29. (little finger) Radial side Ulnar side Pisiform (thumb) Right Hand Volar aspect 1 6 7 8 2 3 4 5 Some Scaphoid Lovers Lunate Try Triquetral Positions Pisiform That Trapezium They Trapezoid Can ’ t Capitate 8 Handle Hamate Useful Pnemonic

30. little finger Radial side Ulnar side Ulna Radius thumb Right hand Volar Aspect Between the proximal and distal row is the Mid-Carpal Joint It is a single synovial cavity

31. The Carpal Tunnel

32. The articulated carpus has a ventral concavity Right hand, palm up Thumb Pisiform Hamate Pisiform Trapezium Scaphoid Hamate Trapezium View from fingers towards wrist

33. Pisiform Trapezium Flexor Retinaculum The Flexor Retinaculum is a fibrous band of tissue that forms the roof of the carpal tunnel Thumb

34. The Flexor Retinaculum attaches to the Pisiform Hook of the Hamate Tubercle of the Scaphoid Tubercle of the Trapezium Pisiform Hamate Trapezium Scaphoid

35. Pisiform Hook of the Hamate Trapezium Scaphoid Between the bony Carpus and the Flexor Retinaculum is a space called The Carpal Tunnel Carpal Tunnel