For lower-body workouts from Stephanie Mansour routines — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! Large muscles like the hamstrings and ...

The calf muscles are often dubbed the "second heart" due to their vital role in facilitating blood flow from the legs back to the heart. Activities like walking, running, or standing for long ...

People often celebrate the quads and glutes as the powerhouse muscles for running. But go a little farther down the kinetic chain and you’ll find the true unsung heroes: your calves. In fact, if you ...