Climb onto the StairMaster and you’ll work lots of muscles in your posterior chain, a.k.a. the backside of your body, ...

On the stair climber, “the pressure is mostly on the forefoot and mid-foot, which loads the lower leg, quad and hip muscles,” Chris ... years ago that the 25-7-2 StairMaster workout was ...

But between the viral 25-7-2 StairMaster workout and the transparent ... With each step, your muscles are working up against gravity compared to walking forward on a treadmill.

But between the viral 25-7-2 StairMaster workout and the sheer amount ... With each step, your muscles are working up against gravity compared to walking forward on a treadmill.

In addition, by engaging major muscle groups like your glutes, quads, hamstrings, and calves, the StairMaster offers a ...

But between the viral 25-7-2 StairMaster workout and the sheer amount ... With each step, your muscles are working up against gravity compared to walking forward on a treadmill.