Journal ArticleDOI
Acute Low-Dose Caffeine Supplementation Increases Electromyographic Fatigue Threshold in Healthy Men
Jacob J. Morse,Gramos Pallaska,Patrick R. Pierce,Travis M. Fields,Sujay S. Galen,Moh H. Malek +5 more
TLDR
Findings suggest that acute low-dose caffeine supplementation delays neuromuscular fatigue in the quadriceps femoris muscles.Abstract:
Morse, JJ, Pallaska, G, Pierce, PR, Fields, TM, Galen, SS, and Malek, MH. Acute low-dose caffeine supplementation increases electromyographic fatigue threshold in healthy men. J Strength Cond Res 30(11): 3236-3241, 2016-The purpose of this study is to determine whether consumption of a single low-dose caffeine drink will delay the onset of the electromyographic fatigue threshold (EMGFT) in the superficial quadriceps femoris muscles. We hypothesize that the EMGFT values for the caffeine condition will be significantly higher than the EMGFT values for the placebo condition. On separate occasions, 10 physically active men performed incremental single-leg knee-extensor ergometry 1 hour after caffeine (200 mg) or placebo consumption. The EMGFT was determined for each participant for both conditions. The results indicated a significant increase for maximal power output (16%; p = 0.004) and EMGFT (45%; p = 0.004) in the caffeine condition compared with placebo. These findings suggest that acute low-dose caffeine supplementation delays neuromuscular fatigue in the quadriceps femoris muscles.read more
Citations
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Wingate Performance And Surface EMG Frequency Variables Are Not Affected By Caffeine Ingestion: 232 Board #139 9:30 AM - 11:00 AM
TL;DR: The data suggest that caffeine does not impact the neuromuscular drive as indicated by the similar IEMG scores between treatments and does not seem to impact the frequency content of the surface EMG signal and thus the nature of recruited motor units before and after the expression of fatigue.
Journal ArticleDOI
Listening to Fast-Tempo Music Delays the Onset of Neuromuscular Fatigue
TL;DR: It is suggested that listening to fast-tempo music increased overall exercise tolerance as well as the neuromuscular fatigue threshold, applicable to both sport and rehabilitative settings.
Journal ArticleDOI
Reduced Electromyographic Fatigue Threshold After Performing a Cognitive Fatiguing Task.
TL;DR: Performing the cognitive fatiguing task reduces the EMGFT with a corresponding reduction in maximal heart rate response, suggesting that cognitive fatigue tasks performed prior to exercise reduce exercise capacity.
Journal ArticleDOI
Revisiting the Single-Visit Protocol for Determining the Electromyographic Fatigue Threshold.
TL;DR: Results indicate that reducing the exercise protocol by 50% did not change the estimated EMGFT, and this finding resides in the potential use in sports or rehabilitative settings in which there is limited time with the client and no objective measures to determine neuromuscular fatigue for aerobic exercise.
Journal ArticleDOI
Repeated Incremental Workbouts Separated by 1 Hour Increase the Electromyographic Fatigue Threshold.
TL;DR: The findings suggest that postactivation potentiation may, in part, explain the differences in EMGFT because the exercise mode used in the current study minimizes the cardiorespiratory responses to exercise.
References
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