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Factors Affecting Movement
Revision cards for all Factors Affecting Movement
16
Sports
11th Grade
05/25/2010

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Term
Joint
Definition
A place where 2 or more bones meet
Term
3 types of joint
Definition
Non-moveable
Slightly Moveable
Freely Moveable
Term
Synovial Joints
Definition
Lubricating freely moveable joints with ends covered in cartilage
Term
Ligament
Definition
tough, rounded, elastic fibre attaching bone to bone at a joint
Term
Cartilage
Definition
Tough, flexible tissue; can be found at the end of bones
Term
Synovial fluid
Definition
fluid which lubricates synovial joints
Term
Examples of Synovial Joints in Body
Definition
PIVOT - neck
BALL & SOCKET - shoulder/hip
HINGE - elbow/knee
Term
Tendon
Definition
Strong, non elastic tissue attaching bone to muscle
Term
Prime Movers (Agonist Muscles)
Definition
Muscle responsible for the action taking place. It contracts and pulls the bone creating the movement at the joint
Term
Antagonist Muscles
Definition
Whilst prime mover contracts, the antagonist muscle on the other side of the muscle relaxes, allowing movement
Term
Synergist Muscles
Definition
Hold the body in position so that the prime mover can operate (Guiding Muscles)
Term
Adduction
Definition
Movement that brings part of the body towards the centre
Term
Abduction
Definition
Movement which takes a part of the body away from the centre
Term
Flexion
Definition
Closing the angle at a joint (e.g bending arm at elbow)
Term
Extension
Definition
Opposite of flexion. When the angle increases between the bones at a joint
Term
Rotation
Definition
Angles do not change but the joint moves in a circular motion
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