Chapter 1 A Key Words Flashcards
(26 cards)
Long bones
The bones of legs and arms. Long bones support the weight of the body and help with gross movements
Support
Bones keep us upright and hold muscles and organs in place
Protection
Some bones surround vital organs from damage
Movement
Muscles contract to pull the bones of the skeleton
Joint
Place where two or more bones meet
Synovial joint
Type of joint commonly found in the limbs; contains synovial membrane that produces synovial fluid.
Cartilage
Covers ends of bones providing smooth, friction free surface
Synovial fluid
Produced by the synovial membrane to lubricate the joint
Capsule
Tough fibrous tissue- surrounds synovial joints; usually supported by ligaments
Ligaments
Joins bone to bone
Dislocation
When the bones of a joint separate from their normal position
Bursae
Fluid filled bag that helps to reduce friction in a joint
Tendon
Attaches muscle to bone
Hinge joint
Joint that allows flexion and extension
Flexion
Movement where angle of bone reduces
Extension
Movement where angle of bone increases
Vertebrae
Bones that form the spine
Ball and socket joint
Joint that allows many movements - flexion, extension, addiction, abduction and rotation
Range of movement
A measure of the flexibility of a joint in terms of the different movements allowed
Abduction
Movement where limbs are moved away from the body
Adduction
Movement where limbs are moved back towards the body
Rotation
Turning a limb along it’s long axis
Meniscus
Cartilage acting as a shock absorber between the tibia and femur in the knee joint
Cruciate ligaments
Attached to the tibia and femur in the knee joint
