1. Bones, Actions/Movements, and Muscles
REVIEW OF THE WRIST
Bones, Actions/Movements, and Muscles

2. Extensor Indicis Dorsal Origin: Insertion: Actions:
Distal, posterior ulna
Insertion:
middle and distal phalanxes of the second phalange
Actions:
Extension of the 2nd finger
Weak wrist extension

3. Lunate 2 1 3
Trapezium
Trapezoid 4
2nd Metacarpal 5
Proximal Phalanx of the 4th Phalange

4. Flexor Digitorum Superficialis
Palmar
Origin: medial condyle of the humerus
ulnar head - medial coronoid area
radial head - radial tuberosity area
Insertion: split tendons attach to the sides of the middle phalanx of the four fingers (palmar surface)
Actions:
flexion of elbow, wrist and fingers

5. What muscle inserts on palmar surface at the base of the 5th metacarpal and the pisiform?
Flexor carpi ulnaris

6. Name the action at the wrist
Flexion
Ulnar flexion or adduction

7. Palmaris Palmar Origin: Medial epicondyle
Insertion: Palmar aponeurosis
Action: flexion of the wrist

8. What nerve passes through the carpal tunnel?
Median nerve

9. Styloid process
Scaphoid
Lunate
Triquetrum
Pisiform
Trapezium
Trapezoid
Capitate
Hamate
Metacarpals
Proximal phalange
Middle phalange
Distal phalange

10. Extensor Carpi Ulnaris
Dorsal
origin: lateral condyle of the humerus
insertion: base of the 5th metacarpal
action:
extension of the elbow and wrist;
adduction of the wrist

11. Phalanges Distal planax of the 4th finger ? ?
Middle phalanax of the 2nd finger ?
Proximal phalanx of the thumb or 1st finger

12. Extensor Pollicus Brevis

13. Abductor pollicus longus

14. Extensor carpi radialis brevis

15. Extensor Carpi Radialis Longus
Dorsal
origin: lateral condyle of the humerus
insertion: base of the 2nd metacarpal (dorsal side)
action:
extension of elbow and wrist;
abduction

16. Name the bone
Radius
Wrist
Elbow
Name the bone
Ulna

17. Extensor Digitorum Dorsal origin: lateral condyle of the humerus
insertion: middle and distal phalanges of the four fingers (dorsal side)
action: extension of the elbow, wrist and fingers

18. Name the action at the fingers
Flexion
Adbuction

19. What muscle inserts on the dorsal surface at the base of the 5th metacarpal?
Extensor carpi ulnaris
EXTENSOR because it is on the dorsal surface.
CARPI because it inserts on a metacarpal (or carpal) bone
ULNAR because it inserts to the medial side (5th metacarpal) of the wrist.

20. Flexor Carpi Ulnaris ? Palmar Origin: medial condyle of the humerus
Insertion: pisiform, base of the 5th metacarpal
Action:
flexion of the elbow
flexion of the wrist
adduction of the wrist ?

21. Action at her wrists?
Flexion
Action at his wrists?
Adduction

22. 1. Flexor retinaculum 2. Median Nerve 3. Ulnar Nerve Structure?

23. Flexor Carpi Radialis ? Palmar Origin: medial condyle of the humerus
Insertion: base of the 2nd and 3rd metacapals (palmar surface)
Action:
flexion of the elbow
flexion of the wrist
abduction of the wrist ?

24. Name the bone
Radius
Elbow
Wrist
Name the bone
Ulna

25. Extensor Pollicis Longus
Dorsal
origin: upper posterior surface of the ulna
insertion: base of the last phalanx of the thumb (dorsal side)
action: extension of the wrist and thumb
palpation: most prominent on the dorsal side of the hand

26. Metacarpals 1 through 5 ?
2nd metacarpal

27. Extensor Digiti Minimi
Dorsal
Origin:
Lateral epicondyle of the humerus
Insertion:
Base of the middle and distal phalanxes of the 5th phalange
Actions:
Extension of the 5th finger
Weak wrist extension

28. Distal Phalanx of Thumb?
Distal Phalanx of Thumb ?
4th Metacarpal ?
Hamate

29. What group of muscle originate from the lateral epicondyle?
Extensor muscles.

30. Flexor Digitorum Profundus
Palmar
Origin:
Upper, medial surface of the ulna
Insertion:
split tendons attach to distal phalanx of the four fingers
Actions:
flexion fingers and wrist

31. Artery ?
Radial
Artery ?
Ulnar
Nerve ?
Ulnar

32. Flexor Pollicus Longus
Palmar
Origin:
middle anterior surface of the radius
Insertion:
base of the distal phalanx of the thumb (palmar surface)
Actions:
flexion of wrist and thumb

33. Scaphoid
Lunate
Triquetrum
Pisiform
Trapezium
Trapezoid
Capitate
Hamate
Metacarpals
Proximal phalange
Middle phalange
Distal phalange

34. While doing push-ups, the wrist is typically in what position?
Extension

35. Flexor carpi radialis
Flexor carpi ulnaris

36. Extensor carpi ulnaris
Extensor digitorum
Extensor carpi radialis longus and brevis