Joints Flashcards
movment for fibours joints
no movment
movement for cartilaginous joints
limited movemnt
movement for synovial joints
larger range of motion movments
Plane (gliding joint) surfaces?
both nearly flat
Ex: of gliding joint in body
Acromioclavicular joint of shoulder
definition of pivot joint
one bone rotates around one axis
number of planes that move in pivot joint
allows movement for 1 plane
ex: of pivot joint in body
head of the radius rotates during pronation-supination of the forearm while the ulna remains fixed
definition of a hinge joint
one articulating surface that is convex and another is concave
how many surfaces move in a hinge joint
1 movement in 1 plane
example of hinge joint in body?
Humero-ulnar (elbow) joint
definition of condyloid joint
one articulating surface that is convex and another is concave
How many planes move in a condyloid joint
2 planes
Exampele of condyloid joint in body
Knuckles
how many planes move in a saddle joint
2 planes
definition of saddle joint
sones set together as in sitting on a horse
does saddle joint allow for greater range of motion?
yes
example of saddle joint in the body
Carpometacarpal joint of the thumb
Defintion of ball and socket
rounded bone is fitted into cup-like receptacle
is ball and socket similar to condyloid joint?
Yes, but with circular joint surface
how many planes move in a ball and socket joint?
3 planes
example of ball and socket joints in the body
shoulder and hip joints