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Joints
Joints of the Skeletal system
60
Health Care
Graduate
10/26/2011

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Cards

Term
Joints (articulations)
Definition
where two or more bones meet
Term
Fibrous joints
Definition
no joint cavity
bones held together by fibrous collagen fibers
Term
cartilaginous joints
Definition
no joint cavity
bones held together by cartilage
Term
synovial joints
Definition
joint cavity
bones united by articular capsule & accessory ligaments
Term
synarthrosis joint
Definition
immovable
Term
amphiarthrosis joint
Definition
slightly movable
Term
diarthrosis joint (synovial joint)
Definition
freely movable
Term
Structural classification of joints based upon
Definition
presence of space between bones
type of CT holding bones together
Term
Three subtypes of fibrous joints
Definition
suture
syndesmosis
gomphosis
Term
Sutures
Definition
fibrous joints
Term
joint found between bones of skull
Definition
fibrous joints (sutures)
Term
Bones are held together by a thin layer of connective tissue
Definition
Sutures (fibrous joints)
Term
joint fused ompletely in adults
Definition
synarthrosis joint
Term
joint holding bones together- long cord or sheet of dense fibrous connective tissue (ligament or interosseous membrane)
Definition
Syndesmosis
Amphiarthrosis Joint
Term
teeth w/ sockets in the manidble
peg-in socket held by ligaments
immovable
Definition
Gomphosis
synarthrosis
Term
articular surfaces of bones are connected by hyaline cartilage, fibrocartilaginous discs and ligaments
Definition
cartilaginous joints
Term
cartilaginous joints
Definition
between vertebrae, pubic bones, in sacrum
Term
Two types of cartilaginous joints
Definition
synchondroses
Symphyses
Term
Synchonrodrosis (cartilaginous joints)
Definition
bands of hyaline cartilage unite bones - immovable joint

epiphyseal plate
between manurbrium and first rib
Term
Symphysis (cartilaginous joints)
Definition
pubis symphysis
intervertebral discs
pad of fibrocartilage connects bones
Amphiarthrosis (slightly movable)
Term
freely movable joint
Definition
diathrotic
Term
Synovial joints
Definition
diathrotic: freely movable
articular cartilage
joint capsule
synovial membrane
synovial fluid
Term
separates articulating bones
Definition
joint/synovial cavity
Term
reduces friction; absorbs shock
Definition
articular cartilage
Term
tough connective tissue covering surrounding joint
Definition
joint capsule
Term
thin inner lining of capsule
Definition
synovial membrane
Term
secreted by synovial membrane
contains hyaluronic acid-slippery
Definition
synovial fluid
Term
accessory ligaments
Definition
extracapsular ligaments
intracapsular ligamenents
Term
ligaments outside capsule
Definition
extracapsular ligaments
Term
intracapuslar ligaments
Definition
ligaments within capsule
Term
Bursa
Definition
thin synbovial fluid filled sac that pads soft tissue; reduces friction between bones/skin; bone/muscle; bone/tendon; bone/ligament
Term
tendon sheaths
Definition
tubelike bursae that wraps around tendons ina confined space
Term
Menisci (articular discs)
Definition
fibrocartilage pad attached around edges of joint
Allows two bones of different shapes to fit together
Provides extrasturdy cushion & promotes flexibiity, allows free movement
Term
Ball & socket
Definition
hip and shoulder
Term
Hinge
Definition
Knee, elbow, and ankle
Term
pivot joint
Definition
radius-ulna, atlas/axis
Term
saddle
Definition
thumb
Term
condyloid
Definition
wrist
Term
siding (planar)
Definition
between vertebrae in spine
Term
flexion
Definition
a decrease in the angle that occurs in a joint
Term
Extension
Definition
an increase in teh angle which occurs in a joint
Term
abduction
Definition
movement away from teh midline of the body
Term
adduction
Definition
movement towards the midline of the body
Term
rotation
Definition
movement of a bone around its axis
Term
circumduction
Definition
lower end of bone moves around in a circle
Term
lateral flexion
Definition
bending sideways
Term
plantar flexion
Definition
pointing foot downwards
Term
dorsiflexion
Definition
bending the foot upwards towards tibia
Term
pronation
Definition
facing palm of the hand down
Term
supination
Definition
facing the palm of the hand up
Term
shoulder possible movements
Definition
flexion & extention, adduction & abduction, circumduction, rotation
Term
sprain
Definition
ligament reinforcing joint gets stretched or torn with no dislocation of bones, Swelling & possible hemorrhaging
Term
strain
Definition
less serious than spain. Overstretched or partially torn muscle
Term
Dislocations
Definition
occurs when bone are forced out of their normal alignment
Term
rheumatism
Definition
non-specific painful conditions of muscles, tendons, joints, and bones
Term
bursitis
Definition
chronic inflammation fo bursa. Caused by direct injury or excessive friction and treated with anti-inflammatory drugs or drain fluid
Term
arthritis
Definition
any disease condition causing inflamed, swollen, or painful joints
Term
Osteoarthritis
Definition
degenerative joint disease
Term
Rheumatoid arthritis
Definition
autoimmune disorder that causes joint inflammation pain and disfigurement
Chronic inflammation
Term
Gouty arthritis
Definition
build up fo uric acid crystals in the joing
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