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Trunk Muscle Activation During Dynamic Weight-Training Exercises and Isometric Instability Activities. Nicolle Hamlyn, David G. Behm, and Warren B. Young. 2007. Journal of Strength and Conditioning Research.
The role of Instability with Resistance Training. David G. Behm and Kenneth G. Anderson. 2006. Journal of Strength and Conditioning Research.
Fundamentals of Resistance Training: Progression and Exercise Prescription. William J. Kraemer and Nicholas A. Ratamess. 2004. Physical Fitness and Performance.
Progression Models in Resistance Training for Healthy Adults. 2002. American College of Sports Medicine.
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