‘I’m a Cardiologist, and This Is How To Use the 6-Minute Walk Test for Faster Miles’

The 6-minute walk test is used by physicians to gauge patient's heart health. This is how to do it to help improve your running speed.

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Photo: <a href="http://www.stocksy.com" target="_blank" rel="noopener noreferrer">Stocksy</a> / Raymond Forbes Photography

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.