The Muscle That Originates on the Iliac Crest and Inserts

question 22

Multiple Choice

The muscle that originates on the iliac crest and inserts on the 12th rib and transverse processes of T12 to L5 is the

• A) iliopsoas.
• B) quadratus lumborum.
• C) rectus abdominis.
• D) internal oblique.

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Definitions:

Bipennate

A type of muscle fiber arrangement where fascicles are attached obliquely from either side of a central tendon, resembling a feather.

Convergent

Pertaining to structures or processes that come together or blend, often used in the context of evolutionary biology or plate tectonics.

Parallel

Describes lines or structures that are side by side and having the same distance continuously between them.

Depressor Anguli Oris

The depressor anguli oris is a facial muscle that contributes to the downward movement of the corners of the mouth, expressing sadness or frowning.