PHA Training Is the Anti-HIIT Workout That Keeps Your Heart Rate in the ‘Money Zone’

What is PHA training? It alternates between above- and below-the-core movements to keep you working hard all workout long.

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Photo: Getty Images/<br />Gary Yeowell

16 Upper Glutes Exercises Personal Trainers Swear By for a Stronger Butt

Why your upper glutes deserve more love, and the best exercises to strengthen them.

woman doing an upper glutes exercise with an exercise band.