ACCELEROMETER-BASED INSTANTANEOUS FEEDBACK TECHNOLOGY IS AS EFFECTIVE AS COACH’S SUPERVISION ON THE QUANTITY AND QUALITY OF RESISTANCE TRAINING SESSIONS FOR UNIVERSITY
1Laboratory of Exercise Biochemistry, Department of Physical Education, College of Arts and Physical Education, Dong-A University, Busan, Republic of Korea
DOI: 10.22374/jomh.v15i3.162 Vol.15,Issue 3,July 2019 pp.89-98
Published: 02 July 2019
Background and Objective
We investigated how VBT devices’ instantaneous feedback affects resistance training efficiency under different intensities.
Material and Methods
Eight university wrestling athletes were recruited (21±0.42 years) and three separated experiments were conducted under no-supervision (NSUP), coach supervision (CSUP), and instantaneous velocity feedback (VBT) conditions on 10 days apart. Maximal repetition to failure back squat on 65%1RM and 85%1RM was performed on 1080 quantum smith machine.
Repetition and volume were significantly greater in CSUP (Rep: p=0.034, Vol: p=0.020) and VBT (Rep: p=0.003, Vol: p=0.001) than NSUP group at 65%1RM, but VBT group only showed statistically greater outcomes at 85%1RM than NSUP (Rep: p=0.015, Vol: p=0.020). However, total work was only significantly greater in VBT group regardless of intensity, and it showed identically greater at 65%1RM than both NSUP (p=0.001) and CSUP groups (p=0.036). While peak force remained as no difference between any groups and trials, peak velocity and power was significantly greater in VBT group than NSUP (pVel 65%1RM: p=0.018 and 85%1RM: p=0.007, pPow 65%1RM: p=0.004 and 85%1RM: p=0.006) and CSUP groups (pVel 65%1RM: p=0.008 and 85%1RM: p=0.023, pPow 65%1RM: p=0.001 and 85%1RM: p=0.015) regardless of intensity.
The present study, therefore, concluded that the instantaneous feedback from VBT device encouraged wrestling athletes to perform longer and harder than coach’s encouragement in the resistance training. This may suggest that velocity-based training effectively assisted resistance training session even if the strength coach or team coach is not available.
auditory feedback; training efficiency; VBT; velocity-based training; visual feedback
Duck Pil OK ,Ju Yong Bae. ACCELEROMETER-BASED INSTANTANEOUS FEEDBACK TECHNOLOGY IS AS EFFECTIVE AS COACH’S SUPERVISION ON THE QUANTITY AND QUALITY OF RESISTANCE TRAINING SESSIONS FOR UNIVERSITY WRESTLING ATHLETES. Journal of Men's Health. 2019. 15(3);89-98.
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