Which of the following muscles is a two-joint muscle, effective as a hip flexor or as a knee flexor, and is sometimes referred to as the tailor's muscle?

Question

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The sartorius muscle is known as a two-joint muscle because it crosses both the hip and knee joints, allowing it to function as a hip flexor and a knee flexor. It is also referred to as the tailor's muscle due to the cross-legged position tailors traditionally sat in, which mimics the action of the sartorius.

Which of the Following Muscles Is a Two-Joint Muscle, Effective