Related: Build Strength in 30 Minutes With Arnold’s Full-Body Dumbbell Workout ...

This core workout led by Marnie Alton requires no-equipment and is all standing. Expect barre and dance-inspired movements.

In boxing stance, lower into a squat. Stand and rotate entire right side (toes, knees, and hips) toward left, while simultaneously extending right arm in a punch. Return to center and lower into a ...

Doing a squat is kind of like watching your old favorite comfort movie. You know it’s a classic for a reason: The classic strength training move is effective for building a booty, efficient as ...