1. Trunk muscle activity increases with unstable squat movements;Anderson;Can J Appl Physiol,2005
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3. A comparison of physiological and psychological indicators in the evaluation of the work capacity of snowboarders;Arruza;J Sport Behav,2005
4. Facilitation and interference;Battig;Acquisition Skill,1966
5. The downside of snowboarding;Bindner;Postgrad Med,1999