Joints Flashcards
Define joints
When two bones meet but dont necesserily have to move
Define extension
Opposite to flexion, when they extend the limb
Define flexion
Bending the limb, muscle or joint. Opposite to extension
Define rotation
Bone rotates on their own axis
Define Adduction
body part moving towards midline of the body
Define abduction
Body part moving away from body midline
Explain the structure of synovial joints
Two bones with synovial fluid inbetween which is surrounded by joint capsule
Describe saddle joints
Bones move forward/ backward and side to side
Describe Gliding joints
Where bones glide over one another
Describe Ellipsoid joints
Can move in any direction like ball and socket but to a lesser extent
Describe Ball and socket joint
Bones can move in any direction to good degree
Describe hinge joint
Allows for flexion, extension and appendage
Describe pivot joint
When bones rotate on their own axis
List the 6 ranges of motion
Gliding (government) Pivot (People) Saddle (say) Ball and socket (Bollucks) Ellipsiod (Every) Hinge (Hour)
Name the 3 types of joints
Fibrous joint - Dont move (skull)
Cartilingous joint - Slight movement (vertebrae)
Synovial joint - Free moving (Hip knee etc)