Posterior tibial tendon dysfunction (PTTD) is a condition that can lead to flatfoot deformity, characterized by the collapse of the arch of the foot. This dysfunction often results from the ...

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 ...