This nerve also controls the muscles in the leg that lift the ankle and toes upward. Injuries to the peroneal nerve

Can a nerve block cause foot drop?

Background: Sciatic nerve block when combined with femoral nerve block for total knee arthroplasty may provide superior analgesia but can produce footdrop, which may mask surgically induced peroneal nerve injury.

Does peripheral neuropathy cause foot drop?

Conditions that affect the nerves and muscles in the body can lead to foot drop. They include: Peripheral neuropathy. Diabetes is the most common cause of peripheral neuropathy.