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Chapter 8 The Skeletal System: The appendicular Skeleton

Chapter 8 The Skeletal System: The appendicular Skeleton. Appendicular Skeleton. Girdles Pectoral or shoulder Pelvic Upper Limbs Arm Forearm Wrist Hand Lower Limbs Thigh Leg Foot. Pectoral Girdle. Scapula (2) Acromion process Forms protective cover Attachment for clavicle

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Chapter 8 The Skeletal System: The appendicular Skeleton

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  1. Chapter 8 The Skeletal System: The appendicular Skeleton

  2. Appendicular Skeleton • Girdles • Pectoral or shoulder • Pelvic • Upper Limbs • Arm • Forearm • Wrist • Hand • Lower Limbs • Thigh • Leg • Foot

  3. Pectoral Girdle • Scapula (2) • Acromion process • Forms protective cover • Attachment for clavicle • Attachment for muscles • Coracoid process • Attachment for muscles • Glenoid cavity • Articulates with humerus • Clavicle (2)

  4. Arm • Humerus • Head • Anatomic and surgical • Neck • Tubercles • Greater and lesser • Intertubercular groove • Deltoid tuberosity • Capitulum • Articulates with radius • Trochlea • Articulates with ulna • Epicondyles

  5. Forearm • Radius • Thumb side • Most commonly fractured bone in 50+ years people • Ulna • Little finger side • Trochlear notch • Olecranon process • Coronoid process

  6. Wrist and Hand • Wrist • 8 carpal bones • Hand • 5 metacarpals (palm of hand) • Phalanges

  7. Pelvis • Coxae: Right and Left • Ilium • Ischium • Sit down bone • Pubis • Pubic symphysis • Acetabulum • Obturator foramen • Sacrum

  8. Male and Female Pelvis

  9. Thigh • Femur • Head • Neck • Trochanters • Greater and lesser • Condyles • Medial and lateral • Epicondyles • Medial and lateral • Patella or kneecap

  10. Leg • Tibia • Larger and supports most of weight • Tibial tuberosity • Condyles • Medial malleolus • Fibula • Articulates with tibia not femur • Lateral malleolus

  11. Foot • Tarsals (7) • Metatarsals (5) • Phalanges

  12. Arches of the Foot • Function • Distribute weight of body between heel and ball of foot • Three major arches • Transverse arch • Longitudinal arches: Medial and lateral

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