1. 6.3 Appendicular Skeleton
* 126 bones
* primary function = movement
* consists of: limb bones (arms/legs) and their girdles (shoulder/hip)

2. A. Pectoral Girdle
* shoulder
* attaches the upper limbs to the trunk

4. 4

5. 1. clavicles - collarbones5

6. 2. scapulae - shoulder blades

8. B. Upper Limb (Arm)

9. 1. humerus – upper arm

11. 2. radius – forearm (thumb side)
3. ulna – forearm (little finger side)

13. 4. Hand
a. carpals = wrist (8)

14. Dorsal View Palmar View
2 rows of 4:
* proximal row (thumb little finger) = scaphoid, lunate, triquetrum, pisiform
Dorsal View
Palmar View

15. Dorsal View Palmar View
* distal row (thumb little finger) = trapezium, trapezoid, capitate, hamate
Dorsal View
Palmar View

16. Carpal Bones (Right)
Dorsal View
Palmar View

17. 2. metacarpals = palm (5 each hand)
3. phalanges = fingers (14 each hand)
* each digit (finger) has 3: proximal, middle, distal phalanx
* thumb has only 2: proximal, distal phalanx
distal phalanx
middlel phalanx
proximal phalanx
phalanges
metacarpal bones
carpal bones
ulna
radius

19. C. Pelvic Girdle
* attaches the lower limbs to the trunk