shoulders and chest are engaged in this exercise as you move from a high to a low plank, as well as your glutes, quads, and ...

But for a deeper (and arguably more useful) burn, try taking the plank into a low position. When your forearms are planted on the ground, your abdominals are challenged even more than in a high ...

The plank is one of the most effective ... Dropping the hips too low: This creates tension in the lower back. Raising the hips too high: Reduces the work on the abs and shifts the load to the ...

Bungee fitness is a low-impact, high-resistance cardio workout,' says Callie Thornton, a bungee studio owner and founder. With the help of bungee cords, you’ll flow through a m ...