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Skeletal System Gross Anatomy II

Skeletal System Gross Anatomy II. Lecture 7. Appendicular Skeleton. Girdles Pectoral or shoulder Pelvic Upper Limbs Arm (brachial) Forearm (antebrachial) Wrist (carpal) Hand (manus) Lower Limbs Thigh (femoral) Leg (crural) Foot (pes). Fig. 8.1. Pectoral Girdle. Scapula (2)

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Skeletal System Gross Anatomy II

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  1. Skeletal SystemGross Anatomy II Lecture 7

  2. Appendicular Skeleton • Girdles • Pectoral or shoulder • Pelvic • Upper Limbs • Arm (brachial) • Forearm (antebrachial) • Wrist (carpal) • Hand (manus) • Lower Limbs • Thigh (femoral) • Leg (crural) • Foot (pes) Fig. 8.1

  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) Fig. 8.3 Fig. 8.2

  4. Arm • Humerus • Head • Tubercles • Greater and lesser • Intertubercular groove • Capitulum • Articulates with radius • Trochlea • Articulates with ulna • Epicondyles • Attachment of forearm muscles Fig. 8.4

  5. Forearm • Radius • Thumb side • Radial tuberosity (biceps brachii muscle) • Ulna • Little finger side • Trochlear notch • Olecranon process • Radial notch Fig. 8.5

  6. Wrist and Hand • Wrist • 8 carpals Fig. 8.6

  7. Pelvis • Os Coxae: Right and Left • Ilium • Ischium • Sit down bone • Pubis • Symphysis pubis • Acetabulum • Obturator foramen • Sacrum Fig. 8.7

  8. Os Coxae Fig. 8.9

  9. Thigh • Femur • Head • Neck • Trochanters • Greater and lesser • Condyles • Medial and lateral • Epicondyles • Medial and lateral • Patella or kneecap Fig. 8.11 Fig. 8.12

  10. Leg • Tibia • Larger and supports most of weight • Tibial tuberosity • Medial malleolus • Fibula • Articulates with tibia not femur • Lateral malleolus Fig. 8.13

  11. Foot • Tarsals (7) • Talus (ankle bone) • Calcaneus (heel) Fig. 8.14

  12. Points to Remember • Appendicular skeleton includes bones of upper and lower limbs and pectoral and pelvic girdles • Pectoral girdle and upper limb held in place largely by muscles • Pelvic girdle has strong articulation with sacrum to help support weight of body

  13. Questions?

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