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AP Lab-Articulations

QuestionAnswer
Articulations joints
Two categories of joints: 1. Functional 2. Sutural
Synarthrosis No movement
Amphiarthrosis Little movement
Diarthrosis Freely Moveable
Different options of structural joints: bony, fibrous, cartilinagous, synovial
Synarthrosis-bony-? Synostosis
Synarthrosis-fibrous-? 1. suture 2. gomphosis- binds teeth to bony socket in mandible
Synarthrosis-cartilagous-? Synchondrosis-ridged cartilage bridge
Ampiarthrosis-fibrous-? Syndesmosis- connected by ligamentgs (tibia and fibula)
Ampiarthrosis-cartilaginous-? Symphysis- connected by fibrocartilage (pubic bones)
Diarthrosis-? Synovial
What four things have to be present to make a synovial joint? 1. Synovial fluid/cavity 2. Joint capsule 3. Synovial membrane 4. Articular cartilage: smoother surface/little friction
Gliding joint - synovial joint - nonaxial - intercarpals
Hinge joint - synovial joint - monaxial - elbow, knee
Pivot joint - synovial joint - monaxial - proximal radioulnar joint
Condylar joint - synovial joint - biaxial - radiocarpal joint
Saddle joint - synovial - biaxial - first carpometacarpal joint
Ball and socket joint - synovial - triaxial - shoulder, hip
Flexion/extension decreasing angle/increasing angle
Abduction/adduction movement away from midline/towards midline
Supination/pronation anatomical position/posterior facing
Lateral flextion moving head from side to side
Depression/elevation moth down/mouth up
Retraction/protraction Moving head towards neck/away from neck
Opposition bringing thumb to pinky
Dorsiflexion/plantar flexion angle decreased in ankle/angle decreased
Eversion/inversion moving ankle away from midline/towards midline
Lateral rotation/medial rotation moving shoulder joint into anatomical position/away from anatomical
Created by: madelineyork
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