HOW: Anchor a band about knee height. Loop it around the outside knee just about the knee cap. The band should feel like it’s trying to pull your leg inwards. Your goal is to resist the band and push out against the band at all times. Bring the other leg back into a lunge position. From here, bend your knee with the band around it while keeping your back straight up.
FEEL: You should feel the muscles in your thigh and glute working.
COMPENSATION: Don't let the band pull your knee in as you lower down. Keep your back straight.