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Appendicular Skeleton

Appendicular Skeleton

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Appendicular Skeleton. Pectoral Girdle. Clavicles. Slender, curved, S-shaped. 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. - PowerPoint PPT Presentation

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Page 1: Appendicular Skeleton

Appendicular Skeleton

Page 2: Appendicular Skeleton

Pectoral Girdle

Page 3: Appendicular Skeleton

Clavicles

Slender, curved, S-shapedAcromial End

Sternal end

Page 4: Appendicular Skeleton

Upper Arm

Humerus

Page 5: Appendicular Skeleton

Lower Arm

Radius Interosseous Membrane Ulna

Page 6: Appendicular Skeleton
Page 7: Appendicular Skeleton

Wrist and Hand 8 carpals

Scaphoid Lunate Triquetreum Pisiform Trapezium Trapezoid Capitate Hamate

5 metacarpal 14 phalangeal

Pollex

Page 8: Appendicular Skeleton

Pelvic Girdle Coxal bone

Ilium Iliac crest

Ischium Sitting

Acetabulum Pubis

Pubic symphysis

Page 9: Appendicular Skeleton

Pelvis

2 coxal bones, sacrum, coccyx

Female pelvis Smoother Lighter Larger outlet Broader pubic angle Childbirth advantages

Page 10: Appendicular Skeleton

Female vs. Male Pelvis

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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

Page 12: Appendicular Skeleton

Upper Leg

Femur

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Tibia Interosseous Membrane Fibula

Lower Leg

Page 14: Appendicular Skeleton

Ankle and Foot Tarsal

Talus Calcaneus Navicular Cuboid Cuneiform (3)

Metatarsals Phalanges

Hallux