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AP Chapter 9

TermDefinition
Functional classification mobility between adjacent bones
Synarthrosis immobile
Synarthrosis sutures in skull
Amphiarthrosis slightly movable
Amphiarthrosis intervertebral disks
Diarthrosis freely moveable
Structural classifications what fills the gap between bones
Sutures Dense Fibrous CT
Syndesmoses Fibrous CT between ulna & radius
Gomphoses Fibrous CT between teeth and jaws; peg in socket
Synchondroses immovable hyaline cartilage
Synchondroses epiphyseal line
Symphyses Slightly movable fibrocartilage; ex: intervertebral and pubic symphysis
Articular Capsule walls of synovial joints
Pivot Uniaxial movement that allows rotation; ex: C1 & C2, ulna & radius tip
Hinge Uniaxial; ex: elbow and knee
Saddle Biaxial that move left and right. and move front to back
Plane Nonaxial; ex: carpals & tarsals
Condylar Biaxial that similar to ball and socket; ex: radius & carpals
Ball & Socket multiaxial; ex: shoulder & hip
Bursa thin CT fluid-filled sac; prevent friction between bones & muscles
Tendon Sheath protect tendons; smaller 'bursa'
Origin attached to immovable bone
Insertion attached to movable bone
Pronation rotated; radius rotates over ulna
Supination anatomical; radius & ulna are parallel
Dorsiflexion lifting the front of foot
Plantar flexion lifting the heel of foot
Inversion turning the foot to medial
Eversion turning foot laterally
Protraction lower jaw is pushed forward
Retraction Pulling lower jaw backward
Depression Mouth opening
Elevation Mouth closing/biting
Opposition tip of thumb touch fingertip
Reposition thumb returning to its anatomical position
Articular Capsule outer corner of joint; holds the bones tg & realign them
Articular Capsule Cover the bone ends
Joint cavity hold blood vessels
Synovial membrane get nutrients from and throw waste to fluid
Ligaments connect bones; avascular
Extrinsic ligaments located out of articular capsule
Intracapsular ligaments located in articular capsule
More movement less stability
Joints/Articulations where two bones meet
Elbow common injury in baseball
Bursitis Acute/Chronic; inflammation of a bursa near a joint
Tendonitis Overuse of the joints
Osteoarthritis (OA) "Wear & tear" of articular capsule; aging associations
Created by: FuirzH
 

 



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