Prevent lower back pain by working on this key muscle

Fitness experts explain the relationship between your hamstrings and lower back pain, and how to work on the hammies to prevent the aches.

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Photo: Getty Images/Westend61

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.