FunctionalMuscleGroups

action
- the effects produced by a muscle
- to produce of prevent movement
prime mover (agonist)

muscle that produces most of force during a joint action
synergist
- muscle that aids the prime mover
- stabilizes the nearby joint
- modifies the direction of movement
antagonist
- opposes the prime mover
- relaxes to give prime mover control over an action
- preventing excessive movement and injury
antagonistic pairs

muscles that act on opposite sides of a joint
fixator

muscle that prevents movement of bone
intrinsic muscle
- entirely contained within a region such as the hand
- both its origin and insertion there
extrinsic muscles
- acton on a designated region, but has its origin elsewhere
- fingers have extrinsic muscles in the forearm

Author

Jolene23

9807

Card Set

FunctionalMuscleGroups

Description

Functional Muscle Groups

Updated

2010-03-10T02:14:05Z

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