The Kansas Squat Test Protocol Comparision: Smith Machine vs Free-Weights
Published Mar 1, 2011 · P. Luebbers, A. Fry
Journal of Strength and Conditioning Research
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Abstract
THE KANSAS SQUAT TEST PROTOCOL COMPARISION: SMITH MACHINE VS FREE-WEIGHTS. In track and field, the ability to generate power is an essential component to achieving optimal performance in the sprints and jumps. Having a standardized method of testing power is instrumental in planning and implementing a training regimen for these athletes, as well as in tracking training adaptations. Previous work in our lab has demonstrated that the Kansas Squat Test (KST), which is a repetitive lifting test, is a valid test for measuring indices of power when compared to the commonly used Wingate Anaerobic cycle Test (WAnT). Our original study utilized a Smith machine for the KST. However, most power athletes utilize free-weights for training and further, the expense of a Smith machine may make the KST cost-prohibitive for some potential users. PURPOSE: The purpose of this study was to determine the validity of a using a freeweight protocol (FW) for the KST by comparison with the previously validated Smith machine protocol (SM). METHODS: Thirteen male (X 6 SD; 77.48 6 6.71 kg) and ten female (59.49