antagonistic pairs Flashcards
(12 cards)
what are antagonistic pairs
pair of muscles that work together to allow movement at a joint
what can muscles do
shorten / lengthen / remain the same length
what do the pairs enable the body to move
with stability + control
what are the pairs at the elbow joint
biceps + triceps
what muscle at the elbow joint contracts
biceps
what muscle at the elbow joint relaxes
triceps
what is agonist
the working muscle that products / controls the joint movement
what is agonist also know as
prime mover
what is antagonist
the agonist is countered by the action of the opposing action
what is the origin
the end of muscle that attached to a bone that is stable
what is insertion
the end of the muscle which is attached to the bone that actively moves
what is fixator
the muscle that works to stabilise the origin of the prime mover