I have done this with squats for my lowerback and it defintely works. If you have a copy of Bill Starr's book "The Strongest Shall Survive", he goes into detail and gives real world examples of players who used it successfully when he was coaching at the University of Hawaii. He is my favorite strength coach and I think everyone who is serious about their training should own a copy of the above and "Defying Gravity How to Win at Weightlifting". The entire book is dedicated to the final few weeks before a meet. He covers just about everything from what you should eat to make weight to if you should have sex the night before. There is no other book like it.