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Unit 2 Joints
Articulations
48
Anatomy
Undergraduate 2
10/21/2012

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Term
Synarthrosis
Definition
Immovable Joints
Term
Diarthrosis
Definition
Freely movable joints
Term
amphiarthrosis
Definition
joints that allow some motion
Term
Fibrous joints
Definition
bones joined by short CT fibers
(synarthroses)
Term
Carilaginous
Definition
bones joined by cartilage
(amphiarthrotic)
Term
synovial
Definition
true joint cavity, articular ends of bones covered w/ hyaline cartilage
(freely movable)
Term
Nonaxial joints
Definition
dont move around axis
bones glide on each other
(vertebrocostal joint)
Term
Uniaxial
Definition
allow motion in only one direction
(elbow- Flex/extent)
Term
Gomphoses
Definition
(Fibrous)
Tooth fitting into socket
(synarthrotic)
Term
Sutures
Definition
(Fibrous)
seam of two bones fitting each other
(synarthrotic)
Term
Synedesmoses
Definition
(Fibrous)
long fibers securing bones together
(radius ulna)
(amphiarthrotic)
Term
Synchodroses
Definition
(cartilaginous)
bone held together with hyaline cartilage
Term
Symphyses
Definition
(cartilaginous)
Fibrocartilage holding bones together
(Pubic symphyses)
Term
Bursae
Definition
(tendon sheath)
sac of synovial fluid
reduce friction on tendons
Term
tendons
Definition
muscle attached to bone
Term
ligaments
Definition
bone attached to bone
Term
planar (gliding) joint
Definition
2 flat planes rubbing each other
(clavicle/sternum)
Term
hinge joint
Definition
2 bones fit together-form hinge
(ulna/humerus)
Term
pivot joint
Definition
axis (point) and something on top
(axis vertebrae)
Term
Condyloid joint
Definition
rounded structure fitted into depression
(carpal bone)
Term
saddle joint
Definition
rounded structure fitted into saddle
(pollex to carpal)
Term
ball and socket joint
Definition
ball epiphysis into cavity
(humerus/scapula)
Term
Gliding
Definition
slide back and forth
Term
abduction
Definition
abstact from body
move away from body
Term
adduction
Definition
add to body
move toward body
Term
flexion
Definition
decrease angle between 2 bones
Term
extension
Definition
increase angle between 2 bones
Term
hyperextention
Definition
>180 degree angle
Term
lateral flexion
Definition
movement of trunk
Term
circumduction
Definition
distal end makes circle
(cone-shaped movement)
Term
rotation
Definition
pivot on own axis
Term
depression/elevation
Definition
inferior/superior movement
Term
dorsiflexion/plantar flexion
Definition
toes up/point toes
Term
eversion/inversion
Definition
turn inward/outward
Term
supination/pronation
Definition
lateral/medial rotation
(hold soup/pimp slap)
Term
protraction/retraction
Definition
anterior/posterior movement
Term
opposition
Definition
finger to thumb movement
Term
Menisci
Definition
cup over condyle in knee
cushioning
lateral support
Term
Sprain
Definition
streched or torn ligaments
Term
dislocation
Definition
forced out of alignment
Term
torn cartilage
Definition
does not heal
need to remove cartilage (knee scope)
Term
bursitis
Definition
inflamation of the bursa
Term
tendonitis
Definition
inflamation of tendon sheaths
Term
arthritis
Definition
joint inflamation
Term
osetoarthritis
Definition
breakdown of joints
(age- wear & tear)
Term
rheumatoid arthritis
Definition
auto immune disease
immune system attacks joints
any stage of life
Term
gouty arthritis
Definition
waste products (urea crystals) settle in joints (onset in hallux joint)
Term
lyme disease
Definition
bacterial infection
(tick bite)
pain starts in joints
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