September 11, 2020
"It's not very common. It's common in people who do aggressive cutting and pivoting, so exactly what Von does," explained Dr. Kareem Sobky, and orthopedic surgeon with OrthoONE in Denver.
Sobky compares the retinaculum to a belt, holding the tendons in place. If the retinaculum slips, the tendons can slide and dislocate, and, in Von's case, flip over the ankle bone.