Chapter 9 - Chapter 9 Joints Saddle Joints 0. Each...

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Chapter 9 Joints Saddle Joints 0. Each articular surface is shaped like a saddle, concave in one direction and convex in the other 0. trapeziometacarpal joint at the base of the thumb 1. Biaxial joint 1. more movable than a condyloid or hinge joint forming the primate opposable thumb Pivot Joints 2. One bone has a projection that fits into a ringlike ligament of another 3. First bone rotates on its longitudinal axis relative to the other 2. atlantoaxial joint (dens and atlas) 3. proximal radioulnar joint allows the radius during pronation and supination Gliding Joints 4. Flat articular surfaces in which bones slide over each other 5. Limited monoaxial joint 6. Considered amphiarthroses Condyloid (ellipsoid) Joints 7. Oval convex surface on one bone fits into a similarly shaped depression on the next 4. radiocarpal joint of the wrist 5. metacarpophalangeal joints at the bases of the fingers 8. Biaxial joints 9. Flexion decreases the angle of a joint 6. bending elbow or wrist 10. Extension straightens a joint and returns a body part to the anatomical position
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11. Hyperextension is extension of a joint beyond 180 degrees 0. Abduction is movement of a part away from the midsagittal line -- raising the arm to the side
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This note was uploaded on 09/25/2011 for the course BSC 1085 taught by Professor Staff during the Fall '09 term at Broward College.

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Chapter 9 - Chapter 9 Joints Saddle Joints 0. Each...

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