Until you get your barbell, try doing side step lunges ... basically a lunge by stepping out to the side ... starting with legs together, move one leg out to the side (basically opening up your stance to outside of shoulder width) and then performing a 1/4 squat and go back to the start position. Repeat all reps for left leg, then all reps for right leg.

just a thought ...


Either that or static wall squats ...