5 Exercises That Fortify the Cartilage in Your Knees, According to a Physical Therapist

A physical therapist explains how to strengthen knee cartilage, the tought yet springy connective tissue that helps you move freely.

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Photo: Getty Images/Mix Media

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.