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Appendicular Skeleton

Appendicular Skeleton. Ch. 8. Consists of:. Shoulder (pectoral) Girdle Upper extremities Pelvic Girdle Lower extremities. Shoulder (pectoral) girdle. Sternum + clavicle = sternoclavicular joint Clavicle + scapula = acromioclavicular joint Scapula held in place by muscles only

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Appendicular Skeleton

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  1. Appendicular Skeleton Ch. 8

  2. Consists of: • Shoulder (pectoral) Girdle • Upper extremities • Pelvic Girdle • Lower extremities

  3. Shoulder (pectoral) girdle • Sternum + clavicle = sternoclavicular joint • Clavicle + scapula = acromioclavicular joint • Scapula held in place by muscles only • Upper limb attached to girdle at shoulder • Clavicle – s-shaped bone • Attaches sternum to shoulder (bridge between the 2 joints)

  4. Shoulder Girdle – posterior scapula • Acromion process • Glenoid cavity • Spine • Coracoid process

  5. Shoulder Girdle – anterior scapula

  6. Upper Extremities • 30 bones each • Consists of: • Humerus • Radius • Ulna • Carpal bones in wrist • Metacarpals in hand • 1-5 starts with thumb • Phalanges in fingers • 1-5 starts with thumb

  7. Humerus • Head • Greater tubercle • Lesser tubercle • Deltoid tuberosity • Lateral epicondyle • Medial epicondyle • Capitulum • Trochlea

  8. Radius and Ulna • Radius • Head • Styloid process • Radial tuberosity • Ulna • Styloid process

  9. Wrist and Hand • Carpals • Metacarpals • phalanges

  10. Carpals

  11. Metacarpals and Phalanges

  12. Pelvic Girdle • Made of 2 bones • Join with the lower extremities • Differences between male and female pelvis • Male • Larger and heavier • Larger muscle attachments • Female • Larger pelvic spaces • Pubic arch greater than 90 degrees

  13. Lower Extremities • 30 bones each • Consists of: • Femur • Patella • Fibula • Lateral and smaller • Tibia • Bigger and medial • Tarsals in ankle • Metatarsals in foot (1-5) • Phalanges in toes (1-5)

  14. Femur and Patella • Head • Greater trochanter • Lesser trochanter • Lateral epicondyle • Medial epicondyle

  15. Tibia and Fibula • Tibia • Medial and larger • Tibialtuberosity • Lateral condyle • Medial condyle • Medial malleolus • Fibula • Lateral and smaller • Head • Lateral mealleolus

  16. Tarsals – Metatarsals - Phalanges • Calcaneus • Talus • Cuboid • Navicular • Cuneiforms

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