Tone House head coach Christi Marraccini demonstrates must-try tips. The plank is a simple exercise that can be done anywhere at anytime, but its benefits are countless. Planks can not only help ...

The benefits of the plank hold tricep finisher's position are twofold: You'll be forced to keep your shoulders stable while also subjecting your core to a major challenge. "From a core perspective ...

Upward plank pose with a leg up can be an excellent pose to stretch and tone your shoulders, the back of your arms, your upper back, lower back and your hips. Holding this pose can be extremely ...