1. The Appendicular Skeleton

2. The Appendicular Skeleton
Figure 8–1

3. The Appendicular Skeleton
Allows us to move and manipulate objects
Includes all bones besides axial skeleton:
the __________
the supportive ___________

4. What are the bones of the pectoral girdle, their functions, and features?

5. The Pectoral Girdle
Figure 8–2a

6. The Pectoral Girdle ____________________ _________________
Positions the shoulders
Provides a base for arm movement

7. The Pectoral Girdle Consists of:
__________
_____________
Connects with the axial skeleton only at the manubrium

8. The Clavicles
Figure 8–2b, c

9. The Clavicles Also called collarbones Long, S-shaped bones
Originate at the __________________
Articulate with the ________________

10. The Scapulae _________________ Broad, flat triangles
Articulate with arm and collarbone

11. The Scapula
_____________________________________
Figure 8–3a

12. Structures of the Scapula
Body has 3 sides:
________________
____________(vertebral border)
_____________(axillary border)

13. Structures of the Scapula
Figure 8–3b

14. The Scapular Head _________________ Which articulates with humerus
To form shoulder joint

15. Processes of the Glenoid Cavity
__________________:
anterior, smaller
_____________:
posterior, larger
articulates with clavicle
at the acromioclavicular joint

16. Structures of the Scapula
Posterior surface
Figure 8–3c

17. Posterior Features of the Scapula
____________:
ridge across posterior surface of body
Separates 2 regions:
_____________
______________
3D Rotation of Scapula, Clavicle and Humerus
PLAY

18. What are the bones of the upper limbs, their functions, and features?

19. The Upper Limbs Arms, forearms, wrists, and hands
Note______________________________

20. The Humerus
Figure 8–4

21. The Humerus Also called the arm The long, upper armbone
Articulates with the pectoral girdle

22. The Distal Epiphysis Medial and lateral epicondyles:
for muscle attachment
Condyle of the humerus:
_____________________

23. Articular Regions of the Condyle
____________:
coronoid fossa and olecranon fossa
articulates with ulna
_____________:
radial fossa
articulates with radius

24. The Forearm
Figure 8–5

25. The Forearm Also called the antebrachium Consists of 2 long bones:
___________ (medial)
___________(lateral)

26. Ulna: The Olecranon Superior end of _____________ Point of elbow
Superior lip of ________________
Articulates with trochlea of humerus

27. Ulna: Articulations with the Humerus
Forearm extended:
olecranon enters ________________
Forearm flexed:
coronoid process enters _________________

28. Ulna: Other Articulations
_____________:
articulates with head of radius
forms proximal radioulnar joint
______________:
prominent styloid process
attaches to articular disc between forearm and wrist

29. The Radius Lateral bone of forearm
Disk-shaped ____________above the neck
_____________below the neck, attaches biceps

30. Articulations of the Radius
__________:
distal end
articulates with wrist and radius
______________:
stabilizes wrist joint

31. The Wrist
Figure 8–6

32. The Wrist 8 _____________: 4 ____________ 4 ________________
allow wrist to bend and twist

33. Metacarpal Bones _____________________
Numbered I–V from lateral (thumb) to medial
Articulate with proximal phalanges

34. Phalanges of the Hands __________________ Fingers:
2 phalanges (proximal, distal)
Fingers:
3 phalanges (proximal, middle, distal)