1. Human Osteology
ASA Bio 2014
Williams

2. Major Divisions of the Body
Cranial – skull
Infracranial – the rest of the body
Axial – trunk & head (parts in midline)
Appendicular – appendages/ limbs
Includes pelvic and shoulder girdles

3. Upper Limb Clavicle Scapula Humerus Radius Ulna Carpals Metacarpals
Phalanges

4. Clavicle
1 right & 1 left
Articulates with sternum medially and scapula laterally
Part of shoulder girdle

5. Scapula 1 right & 1 left Articulates with clavicle and humerus
Does NOT articulate with ribs
Part of shoulder girdle

6. Humerus
1 right & 1 left
Articulates with scapula, ulna & radius

7. Ulna 1 right & 1 left Articulates with humerus & radius
Connected to radius by interosseous membrane
Does NOT articulate with carpal bones

8. Radius
1 right & 1 left
Articulates with humerus, ulna, and proximo-lateral aspect of carpal bones
Connected to ulna by interosseous membrane

10. Carpals Bones of the wrist 8 elements (per side) 2 rows of 4
Proximal row articulates with radius
Distal row articulates with metacarpals

11. Metacarpals Bones of the hand 5 elements (per side)
Articulate with distal row of carpals and phalanges
Numbered lateral to medial
MC1 – MC5

12. Manual Phalanges Bones of the fingers 14 elements (per side)
Separated into three rows
Proximal phalanges (5)
Intermediate phalanges (4)
Distal phalanges (5)
Singular – phalanx
Intermediate

15. Lower Limb Innominate Femur Patella Tibia Fibula Tarsals Metatarsals
Phalanges

16. Innominate Os coxa 1 right & 1 left
Articulate with sacrum posteriorly, other innominate anteriorly, and femur laterally

17. Innominates
3 parts
Ilium
Ischium
Pubis

18. Femur 1 right & 1 left Considered strongest bone
Articulates with innominate, tibia, and patella

19. Patella
1 right & 1 left
Sesamoid bone
Articulates only with femur

20. Tibia
1 right & 1 left
Articulates with femur, fibula and talus (tarsal bone)
Weight bearing bone of the lower leg
Connected to fibula with interosseous membrane

21. Fibula 1 right & 1 left Non-weight bearing
Articulates with tibia and talus (tarsal bone)
Connected to tibia by interosseous membrane

23. Tarsals Bones of the ankle 7 elements (per side)
Articulate with each other, tibia, fibula, and metatarsals

24. Metatarsals Bones of the foot 5 elements (per side)
Numbered medially to laterally
MT1 – MT5
Articulate with tarsals and phalanges

25. Pedal Phalanges Bones of the toes 14 elements (per side)
Separated into three rows
Proximal phalanges (5)
Intermediate phalanges (4)
Distal phalanges (5)
Singular – phalanx