But instead of just whipping out a few reps on whatever piece of equipment is free, let us introduce you to workout splits.

A trainer shares the exercise that can best treat lower back pain. Discover exactly how to do it and why it works.

Stand with feet together. Shift weight to right leg. Hold a weight in each hand down by sides. Keeping back flat, core engaged, and shoulders down and back, hinge at hips by sending glutes straight ...