Question

multiple choice question
what plexuses give rise to a number of nerves that control the muscles of the thighs, legs, and feet?

• brachial plexuses
• cervical plexuses
• coccygeal plexuses
• lumbosacral plexuses

Explanation:

To solve this, we analyze each option:

• Brachial plexuses: Control arm muscles, not lower limbs. Eliminate.
• Cervical plexuses: Innervate neck/shoulder, not thighs/legs/feet. Eliminate.
• Coccygeal plexuses: Small, innervate coccyx area, not lower limbs. Eliminate.
• Lumbosacral plexuses: Formed by lumbar and sacral nerves, supply thighs, legs, feet. Correct.

Answer:

D. lumbosacral plexuses