Stair climbing primarily targets the muscles in your lower body, including the quadriceps, hamstrings, glutes, and calves.

No matter which you choose (tempo or threshold), the goal of both is similar: to run just under an effort that feels too hard ...

It’s common knowledge that if you want to improve your running performance you need to include strength training in your program. Not only is it key for enhancing your speed, stamina, and power ...

To effectively engage your muscles, maintain a heart rate reserve—the difference between your resting and maximum heart rates ...