“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.

Powerful tendons are more injury-resistant and help your muscles generate force. Here, a physio explains their importance and shows you how to make yours stronger Tendons are fibrous strings that ...