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Appendicular Skeletal System

Appendicular Skeletal System. Appendicular Skeletal System. Composed of 126 bones The appendicular skeleton is divided into six major regions: 1) Pectoral Girdles (4 bones) - Left and right Clavicle (2) and Scapula (2).

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Appendicular Skeletal System

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  1. Appendicular Skeletal System

  2. Appendicular Skeletal System • Composed of 126 bones • The appendicular skeleton is divided into six major regions: • 1) Pectoral Girdles (4 bones) - Left and right Clavicle (2) and Scapula (2). • 2) Arm and Forearm (6 bones) - Left and right Humerus (2) (Arm), Ulna (2) and Radius (2) (Fore Arm). • 3) Hands (58 bones) - Left and right Carpal (16) (wrist), Metacarpal (10), Proximal phalanges (10), Middle phalanges (8), distal phalanges (10), and sesamoid (4). • 4) Pelvis (2 bones) - Left and right ilium (2). • 5) Thigh and leg (8 bones) - Femur (2) (thigh), Tibia (2), and Fibia (2) (leg). • 6) Feet (48) - Tarsals (14) (ankle), Metatarsals (10), Proximal phalanges (10), middle phalanges (8), distal phalanges (10), and sesamoid (4).

  3. Review Terms • Process: • A prominent projection on a bone • Fossa: • A relatively deep pit or depression • Border: • An outline of a bone • Notch: • A groove/concaved curvature • Angle: • Convex curvature • Tubercle: • a small knoblike process • Condyle: • a rounded process that usually articulates with another bone • Epicondyle: • a projection situated above a condyle

  4. Scapula Superior angle

  5. Scapula Superior angle Superior border

  6. Scapula Superior angle Coracoid process Superior border

  7. Scapula Scapular notch Superior angle Coracoid process Superior border

  8. Scapula Scapular notch Superior angle Acromion process Coracoid process Superior border

  9. Scapula Scapular notch Superior angle Acromion process Coracoid process Superior border Subscapular fossa

  10. Scapula Scapular notch Superior angle Acromion process Coracoid process Superior border Lateral border Subscapular fossa

  11. Scapula Scapular notch Superior angle Acromion process Coracoid process Superior border Lateral border Subscapular fossa Inferior angle

  12. Scapula Scapular notch Superior angle Acromion process Coracoid process Superior border Lateral border Subscapular fossa Medial border Inferior angle

  13. Scapula Scapular notch Superior angle Acromion process Coracoid process Supraspinousfossa Superior border Lateral border Subscapular fossa Medial border Inferior angle

  14. Scapula Scapular notch Acromioclavicular joint Superior angle Acromion process Coracoid process Supraspinousfossa Superior border Lateral border Subscapular fossa Medial border Inferior angle

  15. Scapula Scapular notch Acromioclavicular joint Superior angle Acromion process Coracoid process Supraspinousfossa Superior border Spine Lateral border Subscapular fossa Medial border Inferior angle

  16. Scapula Scapular notch Acromioclavicular joint Superior angle Acromion process Coracoid process Supraspinousfossa Superior border Spine Infraspinous fossa Lateral border Subscapular fossa Medial border Inferior angle

  17. Scapula Scapular notch Acromioclavicular joint Superior angle Acromion process Coracoid process Supraspinousfossa Superior border Spine Glenoid fossa Infraspinous fossa Lateral border Subscapular fossa Medial border Inferior angle

  18. Posterior view Anterior view

  19. Head of humerus Posterior view Anterior view

  20. Greater tubercle Head of humerus Posterior view Anterior view

  21. Greater tubercle Head of humerus Intertubercular groove Posterior view Anterior view

  22. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Posterior view Anterior view

  23. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Shaft of the humerus Posterior view Anterior view

  24. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Shaft of the humerus Coronoid fossa Posterior view Anterior view

  25. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Shaft of the humerus Olecranon fossa Coronoid fossa Posterior view Anterior view

  26. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Shaft of the humerus Olecranon fossa Coronoid fossa Lateral epicondyle Lateral epicondyle Posterior view Anterior view

  27. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Shaft of the humerus Olecranon fossa Coronoid fossa Medial epicondyle Lateral epicondyle Lateral epicondyle Posterior view Anterior view

  28. Greater tubercle Head of humerus Intertubercular groove Lesser tubercle Shaft of the humerus Olecranon fossa Coronoid fossa Medial epicondyle Lateral epicondyle Lateral epicondyle Capitulum Trochlea Posterior view Anterior view

  29. Shaft of radius Shaft of ulna Short

  30. Scaphoid

  31. Lunate Scaphoid

  32. Lunate Scaphoid Triquetrum

  33. Lunate Scaphoid Triquetrum Pisiform

  34. Lunate Scaphoid Triquetrum Pisiform Trapezium

  35. Lunate Scaphoid Triquetrum Trapezoid Pisiform Trapezium

  36. Lunate Scaphoid Triquetrum Capitate Trapezoid Pisiform Trapezium

  37. Lunate Scaphoid Triquetrum Capitate Trapezoid Pisiform Trapezium Hamate

  38. III II IV V I

  39. Head of metacarpal Shaft of metacarpal Base of metacarpal

  40. Distal phalanx Middle phalanx Proximal phalanx

  41. Head of phalanx Shaft of phalanx Base of phalanx

  42. Base of the metacarpal Shaft of the metacarpal Head of the metacarpal Base of the phalanx Shaft of the phalanx Head of the phalanx Proximal phalanx Phalanges Middle phalanx Distal phalanx

  43. S-silly-Scaphoid • L-Lovers-Lunate • T-Try-Triquetrum • P-Positions-Pisiform • T-That -Trapezium • T-They-Trapezoid • C-can’t-Capitate • H-handle-Hamate

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