Musculocutaneous nerve
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The musculocutaneous nerve is a mixed branch of the lateral cord of the brachial plexus derived from cervical spinal nerves C5-C7. It arises opposite the lower border of the pectoralis minor. It provi
Musculocutaneous nerve on superficial dissection.
Musculocutaneous nerve on deep dissection.
Brachial plexus
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The brachial plexus is a network of nerves formed by the anterior rami of the lower four cervical nerves and the first thoracic nerve. This plexus extends from the spinal cord, through the cervicoaxil
Musculocutaneous nerve
…The musculocutaneous nerve is a mixed branch of the lateral cord of the brachial plexus derived from cervical spinal nerves C5-C7. It arises opposite the lower border of the pectoralis minor. It provides motor innervation to the muscles…
The roots, trunks and cords of the plexus shown in a dissected cadavaric specimen
This shows a simulated example of motorcyclist colliding with the floor at an angle, which may damage the brachial plexus nerves. The photo shows how head and shoulder are extremely separated, which may stretch or even tear the nerves in the between area. Protective gear can help prevent nerve damage by providing extra support on the opposite side of the head to prevent over-stretching the neck.
The outermost (distal) part of the brachial plexus shown from a dissected cadaveric specimen
Brachial plexus