“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.

Leg day is a staple in any well-rounded workout routine. And while many people make it a priority for a peachier backside or toned calves, strong legs are essential for reasons beyond aesthetics. In ...

A strong, toned lower body is a fitness goal for many—and for good reason. Strong legs support everyday movements like walking, climbing stairs, and lifting. To achieve this, people often turn to ...