Articulations (joints) Flashcards
Classification of joints
Synathrosis
ij, ex.(s)
Amphiarthrosis smj ex (ij)
Diathrosis
fmj (s)
immovable joint (skull)
slightly movable joint (intervertebral joint)
fully movable joint (shoulder)
Fibrous joint
jtbmodct
i
njc (nsf)
3 types
s (s)
s g (t)
im (ru) (ft)
joined together by mass of solid dense connective tissue
immovable
no joint cavity (no synovial fluid)
suture (skull) syndesmoses gomphosis (teeth) interosseous membrane (radius ulna) (tibia fibula)
Sutures d, ict i sm sa cs
dense, irregular immovable slightly movable shock absorbant cornal suture
Syndesmoses dict aka il blboe sm nm (g)
ex.
a tlbtaf
g
dense irregular connective tissue aka interosseous ligaments binds long bone of extremities slight movement no movement (gomphosis)
anterior tibiofibular ligament between tibia and fibula
gomphosis
Interosseous membrane
dictb2lb
sm
asfm
ex.
rau
taf
dense irregular connective tissue between 2 long bones
slight movement
attachment surface for muscle
ex
radius ulna
tibia fibula
Cartilaginous joint s abahtbsct h f l onm ljc
synathroses adjacent bones are held together by solid connective tissue hyaline fibrocartilage little or no movement lack joint cavity
Synchondroses hc fb eadogb i t oubg
ex
ep
s
fr
hyaline cartilage found between epiphysis and diaphysis of bone growth immovable temporary ossify upon bone growth
epiphysis plate
sternum
first rib
Symphyses
Hc ce
bcbfdof
sm
ex ps id m s
hyaline cartilage covering ends
but connected by flat discs of fibrocartilage
slight moveable
pubic symphysis
intervertebral disc
manubrium
sternum
Synovial joints fmj hjc (sc) sm em
freely moveable joint
has joint cavity (synovial cavity)
slightly movable
extremely movable
Synovial joint
ac - h
sm - hsf
articular cartialge lines long bones - hyaline
synovial membrane - houses synovial fluid
Plane (gliding)
nf
sc (cc)
s-t-s
b-a-f
sm
ex i i a s sj v
nearly flat slight curve (convex concave)
side to side
back and forth
slight movement
ex intercarpal intertarsal acromioclavicular sternocostal sternoclavicular joints vertebrocostal
Hinge miop cfico2b coac mcsj fe
ex.
ej
i
k
movement in one plane convex fits into concave of 2 bones creates opening and closing most common synovial joint flexion extension
elbow joint
interphalangeal
knee
Pivot joint
raca
rb
fidoab
ex
ru
aa
rotation around central axis (rotation around its own axis)
round bone
fits into depression of another bone
radio-ulnar
atlanto-axial
Ellipsoid/condyloid
cos
ficsosb
ex
r (w)
m (k)
convex oval shape
fits into concave surface of second bone
radiocarpal (wrist)
metacarpophalangeal (knuckles)
Saddle mcj ss arm i m
ex
c (t)
sj
modified condyloid joint saddle shaped allows range motion incus malleus
ex
carpometacarpal (thumb)
sternoclavicular join