Originally Posted by
Karl Schudt
you are coming down upright, which is forcing your knees forward, which is getting your weight on your toes, which made you stumble.
Fix your eye-gaze (look down about 4-5 feet in front of you), and BEND OVER. You can try lifting your toes in the warmups to get your weight further back on midfoot. You will be pretty horizontal at the bottom. When you initiate the squat, your nipples need to start pointing down immediately.
Shaun Pang is in Singapore--might be worth a weekend jaunt.