Move over lunges — I teach weightlifting, and this is the one exercise I'd use instead

You don't need lunges to build stronger legs with knee pain; just try this personal trainer's alternative, called the suitcase deadlift.
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Yoga for Tight Hips: Lizard Lunge Relief (Over 40)

Are your hips feeling tight and achy, especially if you're over 40? Discover ultimate deep relaxation and incredible hip ...