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67 terms

classification of joints

STUDY
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area of contact between bones
articulation
what holds bones together and may or may not permit some degree of movement
joints
how are joints classified structurally
the presence or absence of a space between the articulating surface and the type of connective tissue that binds the bones together
what are the three types of structural joints
fibrous
cartilagenous
synovial
what structural joint has no joint cavity and is held together by fibrous connective tissue
fibrous joint
what structural joint has no joint cavity and is held together by cartilage
cartilagenous joint
what type of structural joint has a joint cavity, synovial membrane, and synovial fluid.
synovial joints
what type of structural joint has bone ends covered with articular cartilage, united by an articular capsule and ligaments
synovial joints
how are function joints classified
according to the degree of movement
what are the three types of functional joints
synarthrosis
amphiarthrosis
diarthrosis
immovable joints
synarthrosis (syn = no)
slightly moveable joints
amphiarthrosis
freely movable joints
diarthrosis
what are the three types of fibrous joints
sutures
syndesmosis
gomphosis
what type of joint is found between flat bones of the skull
sutures
are sutures synarthrosis, amphiarthrosis, or diarthrosis?
synarthrosis
in what kinds of fibrous joint are bones are held together by fibrous ligaments or membranes
syndesmosis
are syndesmosis immovable, slighly movable, or freely movable?
slightly movable
where do you find syndesmosis joints
radius and ulna
what type of fibrous joint has a cone shaped process that fits into a socket
gomphosis
where do you find gomphosis joints?
roots of teeth
what are the 2 types of cartilagenous joints
synchondrosis
symphysis
what type of cartilagenous joints is considered primary? seconday?
synchondrosis - primary
symphysis - secondary
what type of cartilagenous joint is 2 bones joined together by hyaline cartilage
synchondrosis
what cartilagenous joint is the epiphyseal plate of the long bone
synchondrosis
what kind of cartilagenous joint is between the first rib and manubrium of sternum
synchondrosis
what kind of cartilagenous joint is 2 bones joined by fibrocartilage
symphysis
which cartilagenous joint is slightly movable?
symphysis
which kind of catilagenous joint provides strength and shock absorption as well as flexibility
symphysis
what cartilagenous joint is found in IVD's and between pubic bones
symphysis
what is a bursa?
synovial fluid filled sac
how are synovial joints classified?
shape of articular surfaces and or type of movement they permit
plane joint AKA
gliding joint
in what kind of synovial joint are the opposed surfaces of the bones flat or almost flat?
plane (gliding)
are plane joints mono-axial, biaxial, or multiaxial
mono axial
what type of synovial joint is a z joint
plane (gliding)
what type of synovial joint is a acromioclavicular joint
plane (gliding)
hinge joint AKA
ginglymus
what kind of synovial joint has a convex cylinder of one bone is applied to a concavity in the other bone
hinge
is a hinge joint monoaxial, biaxial, or multiaxial
monoaxial
what is monoaxial
movable in one plane (flexion and extension)
in what kind of synovial joint are the bones joined by a strong collateral ligament
hinge ( ginglymus)
are synovial joints synarthrosis, amphiarthrosis, or diarthrosis?
diarthrosis
what type of synovial joint is a median atlantoaxial (atlanto-odontoid)
pivot (trochoid)
what type of synovial joint is interphalangeal joints
hinge
what type of synovial joint is found in the elbow, knee, and ankle?
hinge
what type of synovial joint is formed of a central long axis surrounded by a bony - ligamentous ring
pivot
Pivot joint AKA
trochoid
is a pivot join monoaxial, biaxial, or multi axial?
monoaxial
what type of synovial joint is the radio-ulnar joint
pivot
condyloid joint AKA
ellipsoid
what type of synovial joint has opposing surfaces that are concave and convex
condyloid (ellipsoid)
is a condylois joint monoaxial, biaxial, or multiaxial?
biaxial
what is biaxial
movements are flexion and extension
and adduction and abduction
what type of synovial joint is the carpometacarpal of the thumb
saddle
what type of synovial joint is the metacarpophalangeal (knuckles)
condyloid
saddle joint AKA
sellar
what kind of synovial joint has opposing surfaces concavo-convex and oriented at right angles to each other
saddle
are saddle joints monoaxial, biaxial, or multiaxial?
biaxial
what type of synovial joint is the atlanto-occipital
condyloid
what type of synovial joint is the sternoclavicular joint
saddle
ball and socket AKA
spheroid
what type of synovial joint has a spherical head of one bone being recieved by the socket of another bone
ball and socket
is a ball and socket joint monoaxial, biaxial, or multiaxial
multiaxial
what is a multiaxial joint?
moves in all directions
what kind of synovial joint is the shoulder and hip joints?
ball and socket
what are the 6 synovial joints?
plane (gliding)
hinge (ginglymus)
pivot (trochoid)
condyloid (ellipsoid)
saddle (sellar)
ball and socket (spheroid)