Joints
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Created by:
studytimeforlauren on March 3, 2012
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46 terms
Terms | Definitions |
|---|---|
 fibrous joints | bones joined by connective tissue no joint cavity |
| cartilaginous joints | bones joined by cartilage no joint cavity |
| synovial joints | joint cavity separates articulating bones |
| synarthrotic joints | immovable |
| amphiarthrotic joints | slight movement allowed |
| diarthrotic joints | freely moveable |
| sutures | fibrous joint articulations between the bones of the cranium |
| syndesmoses | fibrous joint bones connected by a cord or sheet of dense connective tissue |
| ligament | founds in syndesmoses (types of fibrous joints) cords of dense connective tissue |
| interosseous membrane | found in syndesmoses (types of fibrous joints) sheets of dense connective tissue |
| gomphoses | teeth to bony socket |
| synchondroses | cartilaginous joints bones connected by hyaline cartilage ex.) sternocostal joint of rib 1 |
| symphyses | cartilaginous joints bones connected by fibrocartilage ex.) intervetebral joints |
| articular cartilage | found in synovial joints consists of hyaline cartilage covering of bone |
| joint cavity | found in synovial joints filled with synovial fluid allows or easy and smooth movement |
| articular capsule | found in synovial joints forms outer walls of joint cavities |
| reinforcing ligaments | found in synovial joints provide support to joints |
| nonaxial movement | movement of synovial joint slipping movement only |
| uniaxial movement | movement of synovial joint movement in only one plane ex.) elbow |
| biaxial movement | movement of synovial joint movement in two planes ex.) knuckle |
| multiaxial movement | movement of synovial joint movement in three planes ex.) shoulder |
| gliding movements | found in synovial joints consist of flat surfaces sliding over each other ex.) carpals |
| angular movements | found in synovial joints lead to a change in the angle between two bones ex.) elbow |
| flexion | an angular synovial movement decreases the angle between two bones |
| extension | an angular synovial movement increases the angle between two bones |
| abduction | an angular synovial movement moves away from the body's midline |
| adduction | an angular synovial movement moves toward the body's midline |
| circumduction | an angular synovial movement movement is cone-shaped |
| rotation | consists of of movement around a long axis ex.) atlas and axis |
| supination | a special synovial movement consists of rotation of radius around the ulna palm up |
| pronation | a special synovial movement consists of rotation of radius around the ulna palm down |
| dorsiflexion | a special synovial movement toes up |
| plantar flexion | a special synovial movement toes down |
| inversion | a special synovial movement foots turns medially |
| eversion | a special synovial movement foot turns laterally |
| protraction | a special synovial movement consists of movement into anterior space ex.) underbite |
| retraction | a special synovial movement consists of movement into posterior space ex.) overbite |
| elevation | a special synovial movement upward movements |
| depression | a special synovial movement downward movements |
| opposition | a special synovial movement the thumb |
| plane joint | a type of synovial joint consist of two flat surfaces motion is nonaxial, gliding ex.) intercarpal joints |
| hinge joint | a type of synovial joint uniaxial movement, flexion and extension ex.) elbow, knee, finger joints |
| pivot joints | a type of synovial joint round part fits into a ring joint restricts movement to rotation only uniaxial, rotational ex.) radioulnar joint |
| condyloid joints | a type of synovial joint concave and convex oval surfaces that fit together motion is biaxial, all angular motions ex.) knuckle joints |
| saddle joints | a type of synovial joint consists of two saddle shaped surfaces motion is biaxial, all angular motions ex.) carpometacarpal 1 |
| ball-and-socket joints | a type of synovial joint round end fits into concave surface motion is multiaxial, universal movement should and hip joints |
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