USMLE Step 1 Review 02 01 Brachial Plexus Major Nerves

USMLE Step 1 Review 02 01 Brachial Plexus Major Nerves

On these “Gold Standard Step 1 Facts” pages you will find Free:

  • USMLE Audio Review files from our “Gold Standard USMLE Reviews”
  • Transcriptions of those files
  • And videos (as they become available)

 

The idea is that you can review for the USMLE online by:

  • Listening to the Audio
  • Following along with the transcription
  • Or by watching the video (if available)

If you like what you here, you can purchase the entire Gold Standard Step 1 MP3 audio USMLE review for your iPhone, iPod, or computer here.

Let’s continue our USMLE Review with Anatomy from the Gold Standard USMLE Step 1 Audio Review program.

 

Play USMLE Audio MP3 01 13 Anatomy Dermatomes Below

USMLE Step 1 01 13 Anatomy Dermatomes Audio

 

Begin 01 13 Anatomy Dermatomes Transcription

Skin zone innervation. The key concepts here for learning these- there’s two of them. Know the zones first, then learn the key dermatomes.

What is the zone that is the front half of the head?

  • The cranial zone.

What’s the nerve for that?

  • Cranial nerve 5, the trigeminal and its three divisions.

What’s the zone that is the back of the head, all of the neck and shoulders, and all the upper limb, except the axial and the medial arm?

  • Cervical zone.

What’s the zone of the torso?

  • The thoracic zone.

What’s the zone of the pelvis and the front of the lower limbs?

  • The lumbar zone.

What’s the zone of the anus, the penis and the posterior lower limbs?

  • The sacral zone.

Let’s turn it around.

What’s the cranial zone innervated by cranial nerve 5?

  • The front half of the head.

What’s the cervical zone?

  • The back half of the head, all the neck, the shoulders, and all of the upper limbs except for the axilla and the medial arm.

What’s the thoracic zone?

  • All the torso, the axilla and the medial arm.

What’s the lumbar zone?

  • The pelvis and the front of the lower limbs.

What’s the sacral zone include?

  • The anus, the penis, the posterior lower limbs and the bottom of the feet.

This time, I’ll name the structure and you respond with the zone.

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