Ch 10 antagonist, synergist, agonist, and fixators
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example of agonist
biceps brachii
agonist
muscle that has major responsibility for producing a specific movement. Prime mover
Antagonist
muscles that oppose or reverse a particular movement
example of antagonist
triceps brachii
synergist
help prime movers by adding extra force to same movement or reduces undesirable/unnecessary movements.
example of synergist
brachialis or brachioradialis
fixators
synergist that immobilizes bone or muscle's origin and give prime mover a stable base on which to act