synovial joints Flashcards
what is a synovial joint?
freely moveable joint: ball + socket, hinge joint
what are the parts of a synovial joint?
synovial fluid
joint capsule
synovial membrane
bursae
cartilage
ligaments
what is the function of the synovial fluid?
it is a lubricant for the joint
what is the function of the synovial membrane?
it removes debris and replaces the fluid
what is the function of the joint capsule?
adds strength and protection
what is the function of the bursae?
it reduces friction in the joint
what is the function of cartilage in the joint?
assists in shock absorption
what is the function of a ligament in the joint?
it hold the bones together and stops the joint moving out of its range of motion preventing dislocation
what attaches muscle to bone?
tendons
what attatches bone to bone?
ligaments
what type of movement is allowed at a hing joint?
they allow you to move in one direction like a door
what movement is allowed at a ball + socket joint?
they allow movement in all directions
what joint is found at the elbow?
hinge joint
what joint is found at the shoulder?
ball + socket joint
what joint is found at the ankle?
hinge joint