Spinal nerves exiting the cord from the level of L4 to S4 form the ________.
A) lumbar plexus
B) sacral plexus
C) thoracic plexus
D) femoral plexus

Question

Quizplus · Accepted Answer

Spinal nerves exiting the cord from the level of L4 to S4 form the sacral plexus, which innervates the pelvic region and lower limbs. The lumbar plexus innervates the abdominal wall and part of the lower limbs, while the thoracic plexus innervates the chest and upper abdomen. The femoral plexus arises from the lumbar plexus and innervates the anterior thigh muscles.

Spinal Nerves Exiting the Cord from the Level of L4