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Anatomy Quiz: Rectus Abdominis Innervation
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Anatomy Quiz: Rectus Abdominis Innervation

Created by
@AmicableBurgundy

Questions and Answers

Which nerve innervates the rectus abdominis muscle?

  • Phrenic nerve
  • Iliohypogastric nerve
  • Intercostal nerves (correct)
  • Femoral nerve

    • Which nerve is NOT part of the innervation of the external obliques?

  • Iliohypogastric nerve
  • Ilioinguinal nerve
  • Thoracoabdominal nerve
  • Femoral nerve (correct)

    • What is the nerve root for the rectus abdominis innervated by the subcostal nerve?

  • T6
  • T7 (correct)
  • T8
  • T12

    • What are the primary actions of the transversus abdominis?

    <p>Stabilizes the pelvis and lower back</p> Signup and view all the answers

    Which of the following are actions of the internal obliques? (Select all that apply)

    <p>Flexion of the trunk</p> Signup and view all the answers

    What are the primary nerve roots that innervate the internal obliques and intercostal muscles?

    <p>T7-T11</p> Signup and view all the answers

    Which muscle structure is NOT part of the abdominal muscles?

    <p>Pectoralis Major</p> Signup and view all the answers

    Which muscle structure does NOT include the action of pelvic-trunk rotation?

    <p>Iliopsoas</p> Signup and view all the answers

    Which action do the rectus abdominis, external obliques, and internal obliques share?

    <p>Flexion of the lumbar spine</p> Signup and view all the answers

    What is the muscle structure innervated by the ilioinguinal nerve at the T12 and L1 nerve roots?

    <p>Transverse Abdominis</p> Signup and view all the answers

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