Peroneal nerve injury is a potential risk of knee replacement surgery. In a 2020 review of studies, researchers found the rate of common peroneal nerve injury after total knee replacement was 0.4%.

Peroneal tendinopathy is the inflammation of tendons that run along the outer ankle bone and the side of the foot, according to the Cleveland Clinic, causing pain around the ankle.

Source Reference: Krhut J, et al "Prospective, randomized, multicenter trial of peroneal electrical transcutaneous neuromodulation vs solifenacin in treatment-naive patients with overactive ...