In Extending the Elbow, the

question 57

Multiple Choice

In extending the elbow, the

• A) triceps brachii is the prime mover.
• B) biceps brachii is the prime mover.
• C) brachialis is the prime mover
• D) triceps brachii is the antagonist.

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Definitions:

Hindbrain

The part of the brain, containing some of the most evolutionarily primitive structures, that is responsible for transmitting information from the spinal cord to the brain, regulating life support functions, and helping to maintain balance.

Forebrain

The part of the brain containing the thalamus, hypothalamus, hippocampus, amygdala, and cerebral cortex.

Midbrain

The part of the brain containing structures that are involved in relaying information between other brain regions and in regulating levels of alertness.

Thalamus

A structure in the forebrain involved in relaying information, especially to the cerebral cortex.