A 25-year-old soldier suffers a gunshot wound on the lower pa of his back and is unable to move his legs. A neurologic examination and magnetic resonance imaging (MRI) scan reveal injury of the cauda equina. Which of the following is most likely damaged.
The cauda equina is the collection of dorsal and ventral roots of the lower lumbar and sacral spinal nerves below the spinal cord. Dorsal and ventral primary rami and dorsal roots of the thoracic spinal nerves and lumbar spinal nerves do not paicipate in the formation of the cauda equina
Dorsal primary rami
Ventral primary rami
Dorsal roots of the thoracic spinal nerves
Ventral roots of the sacral spinal nerves
Back region