Coach Murray

 Summary of 2 divisions of the skeletal system: ◦ Axial:  head, hyoid, neck, vertebral column, thoracic cage, sternum ◦ Appendicular :  pectoral girdle pg 241  pelvic girdle pg 246

Allow different types and ranges of motions to occur Are synovial – a fluid which lubricates the joint 1. Synarthrotic (non-movable) Examples: sutures of skull 2. Amphiathrotic (slightly moveable) Examples: verebrae 3. Diathrotic (moveable) Examples: hip, knee

Have synovial fluid – help lubricate joints 1. Hinge ◦ femur meets fibula and tibia (“knee”) 2. Ball and Socket ◦ femur meets acetablum (“hip”) ◦ humerus meets glenoid cavity of scapula (“shoulder”) 3. Pivot - ◦ humerus meets radius and ulna (“elbow”) 4. Saddle – metacarpals meet carpals (“wrist”)

 All bones start as hyaline cartilage via ossification  Epiphyseal disk – band of cartilage b/w epiphysis and diaphysis  Cartilage becomes osteoblasts  Osteoblasts become osteocytes

 1. List and explain the 5 major functions of the skeletal system 2. How many bones are there (normally) in your skeleton? 3. List the groups of bones that make up the:  A. Appendicular Skeleton B. Axial Skeleton  4. Name and describe the 5 major parts of a bone 5. Distinguish b/w endosteum and periosteum 6. Explain ossification 7. Name the 2 types of marrow and tell what each does. 8. Give the proper names for the two types of bone tissue and tell where each is found. 9. Describe/identify each of the following (label on a diagram)  A. Osteocyte B. Osteoblast C. Osteoclast D. Lacunae E. Haversian Canal F. Volkmann's Canal G. Canaliculu H. Haversian System  10. What bones are considering intramembranous? Endochondral? 11. Bones grow in thickness by the activity of ________________________ 12. Name and describe the 3 major types of joints. Give examples. 13. Identify the major bones of the skull (label on diagram) 14. Name and locate the 4 major sutures. 15. Define fontanel and explain their purpose 16. Describe each of the following:  A. Epiphyseal Disk B. Foramen Magnum C. True rib D. False rib E. Floating rib F. Coxal Bone G. Calcaneous H. Carpals I. Tarsals J. Pectoral Girdle K. Pelvie Girdle L. Bones of the arm  M. Bones of leg  N. Bones/Structures of Skull