CVA A&P - Chapter 5c: Standard Appendicular Skeleton

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Copyright - Adapted from Glencoe - McGraw-Hill

Transcript of CVA A&P - Chapter 5c: Standard Appendicular Skeleton

  • 1. PowerPoint Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings PART D 5 The Skeletal System

2. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Appendicular Skeleton Composed of 126 bones Limbs (appendages) Pectoral girdle Pelvic girdle 3. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Appendicular Skeleton Figure 5.6a 4. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Appendicular Skeleton Figure 5.6b 5. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Pectoral (Shoulder) Girdle Composed of two bones Claviclecollarbone Scapulashoulder blade These bones allow the upper limb to have exceptionally free movement 6. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Shoulder Girdle Figure 5.21a 7. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Upper Limbs Humerus Forms the arm Single bone 8. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Upper Limbs Figure 5.22ab 9. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Upper Limbs The forearm has two bones Ulna Medial bone in anatomical position Radius Lateral bone in anatomical position 10. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Upper Limbs Figure 5.22c 11. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Upper Limbs The hand Carpalswrist Metacarpalspalm Phalangesfingers 12. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Upper Limbs Figure 5.23 13. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Pelvic Girdle Formed by two coxal (ossa coxae) bones Composed of three pairs of fused bones Ilium Ischium Pubis 14. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Pelvic Girdle The total weight of the upper body rests on the pelvis It protects several organs Reproductive organs Urinary bladder Part of the large intestine 15. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Pelvis Figure 5.24a 16. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Gender Differences of the Pelvis The female inlet is larger and more circular The female pelvis as a whole is shallower, and the bones are lighter and thinner The female ilia flare more laterally The female sacrum is shorter and less curved The female ischial spines are shorter and farther apart; thus the outlet is larger The female pubic arch is more rounded because the angle of the pubic arch is greater 17. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Gender Differences of the Pelvis Figure 5.24c 18. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Lower Limbs The thigh has one bone Femur The heaviest, strongest bone in the body 19. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Lower Limbs Figure 5.25ab 20. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Lower Limbs The lower leg has two bones Tibia Shinbone Larger and medially oriented Fibula Thin and sticklike 21. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Lower Limbs Figure 5.25c 22. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Lower Limbs The foot Tarsals Two largest tarsals Calcaneus (heelbone) Talus Metatarsalssole Phalangestoes 23. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Bones of the Lower Limb Figure 5.26 24. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Arches of the Foot Bones of the foot are arranged to form three strong arches Two longitudinal One transverse 25. Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings Arches of the Foot Figure 5.27