Chap 15 - Bones of the Thorax Pelvis and Extremities

Collar bone
1 on each side
connects breastbone to each shoulder blade

Shoulder blade - 2 flat triangular bones one on each dorsal side of the thorax

Extension of the scapula that joins with the clavicle to form a joint above the shoulder

Joint formed by the scapula and clavicle

Breastbone - flat bone extending down the midline of the chest

Lower portion of the sternum

Upper portion of the sternum

12 pairs of ribs
1st 7 pair are joined anteriorly to the sternum by costal cartiladge
ribs 8 - 10 = false ribs join with the vertebral column in the back but join the 7th rib anteriorly
ribs 11 - 12 = floating ribs completely free at their anterior ends

Upper arm bone
joins with the glenoid fossa of the scapula to form the shoulder joint

Medial lower arm bone

Elbow bone

Lateral lower arm bone

Wrist bones - 2 rows of 4 bones in the wrist

5 radiating bones in the fingers
bones of the palm of the hand

Finger bones
each finger (except the thumb) has 3 phalanges (proximal middle and distal)
thumb has 2 phalanx - proximal and distal