Two physical therapists share ways to modify six popular exercises if you have knee pain and signs it's time to see a doctor.

Squats aren’t the only way to build strong quads—moves like step-ups, lunges, and leg presses target them just as well. These exercises work the quads in different ways, from eccentric engagement on ...

Bend both knees to 90 degrees to lower down in the lunge. Press through your front heel to return to standing. If the reverse ...

Julia Ries Wexler is a writer focusing on all things health and wellness. She has over 10 years of experience in health journalism, and though she has written about pretty much every health topic ...