Knee Squats to strengthen Hip Flexors and Glutes. I was a skeptic too until I tried it and yes, they work! The stronger your Hip Flexors, the faster you can run and the more powerful you are in many exercises.

Knee Squats to strengthen Hip Flexors and Glutes. I was a skeptic too until I tried it and yes, they work! The stronger your Hip Flexors, the faster you can run and the more powerful you are in many exercises.

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