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RT 123 – Ch 3

RT 123 – Ch 3. Joints Classifications. SHORT. LONG BONES. Classification of bones. FLAT. IRREGULAR SESAMOID. Classification of bones. GLIDING BALL & SOCKET. HINGE SADDLE. JOINT CLASSIFICATION. JOINT Classifications. 6 types of synovial jts.

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RT 123 – Ch 3

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  1. RT 123 – Ch 3 Joints Classifications

  2. SHORT LONG BONES Classification of bones

  3. FLAT IRREGULAR SESAMOID Classification of bones

  4. GLIDING BALL & SOCKET HINGE SADDLE JOINT CLASSIFICATION

  5. JOINT Classifications

  6. 6 types of synovial jts • synarthrodial: immovable fibrous joints (i.e., suture of skull) • amphiarthroidial: cartilaginous jts; slightly moveable (i.e., symphesis) • diarthrodial: synovial jts; freely moveable • -gliding (plane): flat surfaces, i.e., vertebrae • -hinge: angular motion, i.e., elbow. • -condylar or ellipsoidal: head shaped bone that fits into a concave surface that allows for motion, i.e., wrist. • -saddle: one bone end that is convex, which fits into a concave bone end; allows all motion as in condylar ft; i.e., thumb. • -pivot: head of bone surround by ring of cartilage or bone to allow rotation, i.e., C1/C2 jt. • ball and socket: head shaped bone end that fits into a cup-shaped socket, i.e., hip.

  7. synarthrodial

  8. ampiarthrodial

  9. diarthrodial

  10. The area of the bone indicated on the figure below is the: • A. periosteum • B. endosteum • C. compact bone • D. epiphyseal line

  11. The area of the bone indicated on the figure below is the: • A. periosteum • B. endosteum • C. compact bone • D. epiphyseal line

  12. OSTEOLOGY • 206 BONES • AXIAL – SUPPORTS HEAD & TRUNK • APPENDICULAR – BOCY MOVEMENT • CHECK OUT CHARTS P. 66

  13. COMMON FRACTURES pg 74

  14. COMMON FRACTURES PG 99 • Avulsion – tearing away from bone • Boxer – base 4th or 5th metacarpal • Colle’s – distal radius/ulnar – posteriorly • Smith’s distal radius/ulnar – anteriorly • Greenstick – bending of bone (children) • Pathologic – fx of a diseased or weakened bone

  15. A fracture that does not break through the skin is called a/an • A. open fracture • B. closed fracture • C. displaced fracture • D. nondisplaced fracture

  16. A fracture that does not break through the skin is called a/an • A. open fracture • B. closed fracture • C. displaced fracture • D. nondisplaced fracture

  17. A serious fracture in which the bones are not in anatomic alignment is called: • A. impacted • B. compression • C. displaced • D. nondisplaced

  18. A serious fracture in which the bones are not in anatomic alignment is called: • A. impacted • B. compression • C. displaced • D. nondisplaced

  19. When a fractured bone is shattered into many pieces, it is called: • A. spiral • B. transverse • C. compression • D. comminuted

  20. When a fractured bone is shattered into many pieces, it is called: • A. spiral • B. transverse • C. compression • D. comminuted

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