Lec 9 Articulations Flashcards
which joints have no movement? give example
synarthroses. sutures of the skull
some movement of joints?
amphiarthroses. intervertebral discs, symphysis pubis, sacro-iliac joint
which joint is capable of movement
diarthroses (synovial joint)
what lubricates joint and reduces friction?
synovial fluid
what type of movement does the pivot joint have? use example
uniaxial rotation around a central axis
ex. atlas and axis -> rotating head
pronation and supination of ulna
what type of movement does the condyloid joint have?
biaxial movement
adduction and abduction
flexion and extension
ex knuckles, radiocarpal joint
what type of movement does the gliding joint have.
side to side movement
wrist, ankle, vertebrae, ribs 2-7
what type of movement does the hinge joint have
uniaxial movement
flexion and extension
ex elbow, knee, interphalangeal
what type of movement does the saddle joint have
wide range of movement, forward backward side to side
joint of thumb, trapezium and metacarpal
ball and socket hinge movement?
- shoulder and hip
why do ligaments heal slowly?
poor blood suppy
how can you tell if the knee is in the anterior or posterior view?
if the fibula is lateral [on the left], it is in the anteruir view.
if fibula is on the right, it is posterior
