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Abstract

Effects of Negative Ion Energy Bands on Peak Anaerobic Capacity & Recovery

Kai Holtz, Kevin H. Kendrick, Ph. D., and John D. Smith, Ph. D.

Texas A&M University - San Antonio

Undergraduate

PURPOSE: To study the effects of a commercially available negative ion “energy band” on peak anaerobic capacity and recovery.

METHODS: Twenty one participants (age = 28.2 + 5.2 yrs, ht = 172.1 + 1.0 cm, wt = 83.3 + 17.5 kg) completed two, 30-sec Wingate trials on a Monark 817E cycle ergometer while wearing either a True Power™ Energy Band (TB) (True Power LLC) or silver bracelet placebo (PB) (Hobby Lobby). Trial order was counterbalanced and each trial separated by approximately 1 week. Physical Activity Readiness Questionnaire (PAR-Q) and consent form were completed before testing, and participants were asked to refrain from consuming a heavy meal or caffeine at least 3 hours before testing. Wingate testing was preceded by a 5-min warm up consisting of cycling for 3 min at 50 rpm and 20% of prescribed Wingate load (.086 * body mass [kg]), and 5-sec sprints at 25%, 50%, 75%, and 100% of prescribed load every 30 sec. After resting 3 min, participants commenced Wingate testing. Recovery consisted of cycling 10 min at 50rpm and 20% Wingate load. HR and oxygen consumption were measured throughout testing using a HR monitor (Polar) interfaced to a metabolic system (Parvo Medics’ TrueOne 2400). RPE (Borg 6-20 Scale) was recorded immediately following Wingate test and at 5 and 10 min of recovery.

RESULTS: There were no significant differences between each trial (TB vs. PB) for:

TB

PB

O2 Consumption (L/min)

Rest

0.36 + 0.07

0.34 + 0.08

Post Wingate

1.84 + 0.40

1.82 + 0.40

5-min recovery

1.55 + 0.36

1.55 + 0.34

10-min recovery

1.48 + 0.35

1.48 + 0.35

Heart Rate (BPM)

Rest

85.2 + 12.8

84.0 + 10.2

Post Wingate

164.5 + 11.3

163.6 + 15.7

5-min recovery

146.3 + 15.0

144.0 + 17.3

10-min recovery

144.7 + 15.5

142.7 + 17.9

RPE

Post Wingate

18.0 + 2.0

18.0 + 2.1

5-min recovery

13.6 + 2.5

13.0 + 1.5

10-min recovery

12.1 + 2.1

11.7 + 1.6

Total Revolutions

39.7 + 8.7

39.4 + 8.7

Peak Revolutions/5 sec

10.1 + 2.0

10.0 + 2.2

CONCLUSION: It does not appear that True Power™ Energy Bands have any discernable effect on an individual's anaerobic capacity and recovery.

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