All you are looking to achieve is to keep your upper back as tight as
possible during the squat.
Not exact matches
Given the fact that you are already doing deadlifts,
squats and other similar posterior chain movements
during the training week, you will want your lower back muscles to be well rested and as fresh as
possible.
The SS might not allow the absolute limit loading that is
possible with the
squat and deadlift but the trade off is that the athlete in question is much less likely to get hurt
during a training session.
In case that leg has any weaknesses, there is a compensation or help from the other leg as it happens
during double - legged
squat variations is not
possible.
If appropriate (based on your knee pathology history) you must eventually assume a deep
squat position
during your training as this position will provide optimum thigh muscle strength and architecture (i.e. cross section area),
possible collagen synthesis and hypertrophy of the patella tendon (stronger patella tendon) and enhanced athleticism i.e. improvement in various types of jumps.