“The posterior tibialis is a muscle that originates on the back, or posterior, part of the tibia and fibula (your lower leg bones), up close to your knee,” explains Cathlin Fitzgerald, D.P.T, C.S.C.S.

Correspondence to Prof Dr Heinz Lohrer, Institute of Sports Medicine, Otto-Fleck-Schneise, 10, 60528 Frankfurt/Main, Germany; lohrer{at}sport.uni-frankfurt.de Objective In contrast to posterior tibial ...