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THE EFFECTS OF OXYGEN NANOBUBBLE CONSUMPTION REPEATED BENCH PRESS PERFORMANCE

Abstract

David Blackburn, Julianne Hill, Rebecca R. Rogers, Tyler D. Williams, Christopher G. Ballmann, FACSM. Samford University, Birmingham, AL.

BACKGROUND: Oxygen nanobubbles (ONB) have been linked to the augmentation of oxygen delivery to a variety of tissues. Commercially, ONBs have become available in drink form and are marketed for ruse before exercise to boost performance. As phosphocreatine resynthesis is generally limited by oxidative ATP production, enhanced oxygen delivery via ONBs may serve as a means to improve recovery during fatiguing bouts of resistance exercise. The purpose of this study was to explicate the effects of ONB consumption on explosive and repeated bench press performance. METHODS: Resistance-trained males participated in two counterbalanced repeated bench press trials each with a different treatment: 1) Placebo, and 2) ONB solution. For each trial, participants consumed their respective treatment 10 minutes before exercise. Following a brief warm-up, participants completed 1 set × 2 repetitions at 75% of 1-Repetition Maximum (1-RM) as explosively as possible while a linear position transducer observed the mean power and velocity of the barbell. Participants then completed 3 sets × Repetitions to failure (RTF) at 75% of 1-Repetition Maximum (1-RM) separated by 2 minutes of rest. Trials were separated by a minimum of 48 hours. RESULTS: Findings showed no differences between treatments for mean barbell velocity (p=0.881) or mean power (p= 0.704). Total RTF was also not significantly different between ONB and PL (p=0.749). CONCLUSION: These findings suggest that ONBs may not be a worthwhile ergogenic aid for resistance exercise.

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