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Joints
| Question | Answer |
|---|---|
| abduction | the motion of moving your arms/legs/fingers AWAY from one's body |
| adduction | the motion of moving your arms/legs/fingers TOWARDS the midline of one's body |
| ball and socket | synovial joint containing a bone with a spherical head that fits into a round socket in another bone; i.e. shoulder & hip |
| cartilaginous | a joint with limited movement where the bones are connected with cartilage |
| circumduction | the circular movement at the distal end of a limb |
| condyloid | synovial joint containing a bone with an oval-shaped projection that fits into hollow oval cavity; allows for all movement except rotation; also called "ellipsoid" |
| dorsiflexion | bending of the foot or the toes upward |
| eversion | foot turned outward so you can see the outside/ side of ankle- causes a knock-kneed walking stance |
| extension | straightening at the joint so that the angle between the bones is increased |
| fibrous | a joint that connect bones without allowing any movement (like suture joints) |
| flexion | decreasing the angle between two bones by bending a limb at a joint |
| hinge | synovial joint between bones (as at the elbow, knee, or finger) that permits forward and back swinging motion in only one plane (only flexing / extending / hyperextending) |
| hyperextension | the extreme or overextension of a limb or body part beyond its normal limit |
| inversion | foot turned inward so you can see the inside / arch - causes a bowl-legged walking stance |
| joint | A place in the body where two bones (articulate) come together |
| opposition | Movement of the thumb to touch the fingertips |
| pivot | joint that only allows a bone to rotate around an axis; i.e. connection between radius and ulna |
| plane | joint that allows only short sliding or gliding movements; usually, this joint contains bones that work in GROUPS to create movements; i.e. carpals |
| pronation | movement that turns the palm down |
| rotation | circular movement around an axis |
| saddle | type of synovial joint found at the base of each thumb; allows grasping and rotation |
| synovial | A fully moveable joint in which the joint cavity between the two articulating bones contains a fluid-filled sac |
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brittonsclassroom
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