Set 8: Lecture 8 - The Appendicular Skeleton

Pectoral girdle bones

Clavicle and scapula

Clavicle

"S-shaped" collar bone

Scapula features

Acromion, coracoid process, glenoid cavity, supraspinous/infraspinous fossae

Humerus features

Head, greater/lesser tubercles, deltoid tuberosity, trochlea, capitulum

Ulna

Medial forearm bone with olecranon process (elbow)

Radius

Lateral forearm bone with radial head and styloid process

Carpal bones mnemonic

"Some Lovers Try Positions That They Can't Handle"

Carpal bones (8)

Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate

Metacarpals

5 hand bones forming palm

Phalanges per hand

14 (thumb: 2; other fingers: 3 each)

Pelvis components

Both os coxae (hip bones) plus sacrum

Os coxae composition

Ilium, Ischium, Pubis (3 fused bones)

Ilium features

Iliac crest, iliac fossa, greater sciatic notch

Ischium features

Ischial spine, ischial tuberosity ("butt bone")

Pubis features

Pubic symphysis, pubic tubercle

Female vs Male pelvis

Female: oval inlet, broader, shallower, >100° pubic angle; Male: heart-shaped inlet, narrower, deeper, <90° angle

Femur

Largest bone in body

Femur features

Head with fovea capitis, greater/lesser trochanters, linea aspera, condyles

Patella

Knee cap with base, apex, facets

Tibia

Shin bone with tibial tuberosity and medial malleolus

Fibula

Thin lateral leg bone with lateral malleolus

Tarsal bones (7)

Calcaneus, Talus, Navicular, Cuboid, Medial/Intermediate/Lateral cuneiforms

Metatarsals

5 foot bones

Phalanges per foot

14 (big toe: 2; other toes: 3 each)