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Indicate the action of the extensor hallucis longus.Multiple choice question.plantar flexioneversionlift up the big toelift up the toes

Question

Indicate the action of the extensor hallucis longus.

  • Multiple choice question.
  • plantar flexion
  • eversion
  • lift up the big toe
  • lift up the toes
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Solution

Breaking Down the Problem

  1. Identify the functions of the extensor hallucis longus muscle.
  2. Analyze the given multiple-choice options.

Relevant Concepts

  • The extensor hallucis longus is a muscle in the anterior compartment of the leg.
  • Its main actions include extending the big toe (hallux) and aiding in dorsiflexion of the foot.

Analysis and Detail

  1. Plantar Flexion: This action would involve bending the foot downwards, which is not a function of the extensor hallucis longus.

  2. Eversion: This involves turning the sole of the foot outward. The extensor hallucis longus does not primarily contribute to this action.

  3. Lift Up the Big Toe: This directly describes the extension of the hallux, which is indeed one of the primary functions of the extensor hallucis longus.

  4. Lift Up the Toes: This is somewhat vague, as it can refer to multiple toes, but the muscle focuses specifically on the big toe.

Verify and Summarize

The extensor hallucis longus primarily functions to extend the big toe, making "lift up the big toe" the most accurate choice among the options provided.

Final Answer

Lift up the big toe.

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