Which Is an Action of the Trapezius

question 64

Multiple Choice

Which is an action of the trapezius?

• A)flexion of the neck and the head at the spinal joints
• B)extension of the neck and the head at the spinal joints
• C)ipsilateral rotation of the neck and the head at the spinal joints
• D)flexion of the arm at the glenohumeral joint

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Definitions:

Variable Ratio

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, making it very effective in maintaining behavior.

Fixed Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses, commonly used in behavior modification.

Discrimination

Unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.

Delayed Reinforcement

A technique in conditioning where a reward or punishment is given some time after the desired or undirected behavior occurs, which may slow the learning process.