A Muscle That Contracts to Assist the Main Muscle in Performing

question 4

Multiple Choice

A muscle that contracts to assist the main muscle in performing a particular action is called a(n)

• A)prime mover.
• B)fixator.
• C)antagonist.
• D)agonist.
• E)synergist.

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Definitions:

Unpleasant Stimulus

A stimulus that is generally undesirable or disagreeable to an individual, often leading to avoidance behavior.

Punishment

Any event or object that, when following a response, makes that response less likely to happen again.

Positive Reinforcement

The reinforcement of a response by the addition or experiencing of a pleasurable stimulus.

Pleasurable Consequence

A positive outcome or reward that follows a behavior, making it more likely to occur again in the future.