Correcting of the pictured positioning here (lateral shift) is a must prior to initiation of the next level of squatting motions.
Level III: With the feet shoulder width apart, feet pointing straight ahead, squat down to the full squat position (greater than 90 degrees), keeping heels in contact with the floor without allowing knees to progress over the toes. Once you obtain this position, in a rapid controlled fashion jump to a full extended position. Perform 3 sets of 20 reps. Rest for 10-20 seconds in the squat sit position.
Controlled Squats with Weight:
Dr. Nessler is a practicing physical therapist with over 17 years sports medicine clinical experience and a nationally recognized expert in the area of athletic movement assessment. He is the developer of an athletic biomechanical analysis and author of a college textbook on this subject. He serves as the National Director of Sports Medicine for Physiotherapy Associates, is Chairman of Medical Services for the International Obstacle Racing Federation and associate editor of the International Journal of Athletic Therapy and Training.