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Power development through low velocity isotonic, or combined low velocity isotonic - high velocity isokinetic training
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|Title:||Power development through low velocity isotonic, or combined low velocity isotonic - high velocity isokinetic training|
|Authors:||Seligman, Joshua R.|
|Issue Date:||Dec 2003|
|Publisher:||University of Hawaii at Manoa|
|Abstract:||Purpose. The purpose of this study was to increase power via a combined high velocity isokinetic, and low velocity, heavy resistance isotonic, training regimen. Methods. Twenty-nine subjects (aged 19-29 yrs) were pre- and post-tested for the following dependent variables; vertical jump leg power (VJP) and vertical jump height (VJH); Wingate peak anaerobic power (PkAnP), Wingate PkAnP kg-1, and Wingate mean anaerobic power (MAnP); isotonic one-repetition maximum (1RM) squat, knee flexion, and knee extension; and isokinetic peak torque (PT) and time to peak torque (TPT) at 60, 180, 300, 400, and 500°sec-1. Subjects, who were randomly assigned to three groups, trained twice a week for 10 wks. Group 1 (n=9) performed isotonic knee flexion and extension exercises, Group 2 performed seated isokinetic consecutive knee extension-flexion (concentric-concentric) exercises, and Group 3 performed a combination of the isotonic and isokinetic exercises of groups 1 and 2. All groups also performed squats at the start of each training session. Results. Significant improvements were revealed from pre- to post-test for all dependant variables regardless of group. Peak torque extension values were significantly greater for group 1 than group 2 (mean difference= 14.2 ft lbs, SEE= ±6.04; p<0.05) regardless of test or velocity. Conclusions. Combined high velocity isokinetic, and low velocity, heavy resistance isotonic exercise did not improve power when compared to isotonic training alone.|
|Description:||x, 103 leaves|
|Rights:||All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.|
|Appears in Collections:||M.S. - Kinesiology and Leisure Science|
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