The Sternocleidomastoid Performs What Isolated Functions

question 36

Multiple Choice

The sternocleidomastoid performs what isolated functions?

• A)Concentrically accelerates cervical flexion
• B)Concentrically accelerates abduction of the arm
• C)Concentrically accelerates cervical rotation
• D)A and C

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Definitions:

Pitch

In acoustics, it refers to the perceived frequency of sound, determining how "high" or "low" it sounds.

Tympanic Membrane

A thin layer of tissue that separates the outer ear from the middle ear and vibrates in response to sound waves.

Malleus

A tiny ossicle located in the middle ear that conveys sound waves from the tympanic membrane to the anvil.

Stapes

The smallest bone in the human body, located in the middle ear, transmitting sound vibrations from the middle ear to the inner ear.