Position a theraband around a solid stationary object. Step into the band with the right leg so that the band is just above the right knee. Stand with the left foot together on a slider. Clasp the hands together or fold one on top of another while keeping the arms in and close to the body. Slowly slide the left foot backward moving into a split squat position while maintaining proper knee alignment of the right leg (knee pointing in line with the second toe).
Pause at the bottom and then return to the starting position.
Perform 1-2 sets of 10 reps on each side. Focus on keeping the trunk still throughout the movement to keep the emphasis on the stance leg.