Appendicular Skeleton
Pectoral Girdle
Clavicles
Slender, curved, S-shapedAcromial End
Sternal end
Upper Arm
Humerus
Lower Arm
Radius Interosseous Membrane Ulna
Wrist and Hand 8 carpals
Scaphoid Lunate Triquetreum Pisiform Trapezium Trapezoid Capitate Hamate
5 metacarpal 14 phalangeal
Pollex
Pelvic Girdle Coxal bone
Ilium Iliac crest
Ischium Sitting
Acetabulum Pubis
Pubic symphysis
Pelvis
2 coxal bones, sacrum, coccyx
Female pelvis Smoother Lighter Larger outlet Broader pubic angle Childbirth advantages
Female vs. Male Pelvis
Pelvis Differences
Characteristic Female Male
Bone thickness Lighter, thinner, and smoother Heavier, thicker, and more prominent markings
Pubic arch/angle 80˚–90˚ 50˚–60˚
Acetabula Small; farther apart Large; closer together
Sacrum Wider, shorter; sacral curvature is accentuated
Narrow, longer; sacral promontory more ventral
Coccyx More movable; straighter Less movable; curves ventrally
Upper Leg
Femur
Tibia Interosseous Membrane Fibula
Lower Leg
Ankle and Foot Tarsal
Talus Calcaneus Navicular Cuboid Cuneiform (3)
Metatarsals Phalanges
Hallux
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