Electrolyte beverage consumption alters electrically induced cramping threshold. 2019

Jacob E Earp, and Rebecca L Stearns, and Andrew Stranieri, and James Agostinucci, and Adam S Lepley, and Taylor Matson, and Christie L Ward-Ritacco
Department of Kinesiology, University of Rhode Island, Kingston, Rhode Island.

Recent investigations have questioned the role of hydration and electrolytes in cramp susceptibility and thus the efficacy of consuming electrolyte-rich carbohydrate beverages (EB) to control/prevent cramping. Nine euhydrated, cramp-prone participants had their cramp susceptibility assessed by measuring the nerve stimulation threshold frequency at which cramping occurs (TF) before and after consumption of an EB (kCal: 120, Na: 840 mg, K: 320 mg, Mg: 5 mg) and placebo beverage (PB: kCal: 5, Na: 35 mg). Cramp intensity was assessed using a verbal pain scale and poststimulation electromyography (EMG). TF was greater in EB (14.86 ± 7.47 Hz) than PB (14.00 ± 5.03 Hz; P = .038) and reported pain was lower in EB (2.0 ± 0.6) than PB (2.7 ± 0.8; P = .025) while EMG was similar (P = .646). EB consumption decreased cramp susceptibility and pain but did not prevent cramping in any participants. These results suggest that electrolyte consumption independent of hydration can influence cramp susceptibility in young people.

UI MeSH Term Description Entries
D008274 Magnesium A metallic element that has the atomic symbol Mg, atomic number 12, and atomic weight 24.31. It is important for the activity of many enzymes, especially those involved in OXIDATIVE PHOSPHORYLATION.
D008297 Male Males
D009120 Muscle Cramp A sustained and usually painful contraction of muscle fibers. This may occur as an isolated phenomenon or as a manifestation of an underlying disease process (e.g., UREMIA; HYPOTHYROIDISM; MOTOR NEURON DISEASE; etc.). (From Adams et al., Principles of Neurology, 6th ed, p1398) Cramp,Limb Cramp,Muscular Cramp,Cramp, Limb,Cramp, Muscle,Cramp, Muscular,Cramps,Cramps, Limb,Cramps, Muscle,Cramps, Muscular,Limb Cramps,Muscle Cramps,Muscular Cramps
D010147 Pain Measurement Scales, questionnaires, tests, and other methods used to assess pain severity and duration in patients or experimental animals to aid in diagnosis, therapy, and physiological studies. Analgesia Tests,Analogue Pain Scale,Formalin Test,McGill Pain Questionnaire,Nociception Tests,Pain Assessment,Pain Intensity,Pain Severity,Tourniquet Pain Test,Visual Analogue Pain Scale,Analog Pain Scale,Assessment, Pain,McGill Pain Scale,Visual Analog Pain Scale,Analgesia Test,Analog Pain Scales,Analogue Pain Scales,Formalin Tests,Intensity, Pain,Measurement, Pain,Nociception Test,Pain Assessments,Pain Intensities,Pain Measurements,Pain Questionnaire, McGill,Pain Scale, Analog,Pain Scale, Analogue,Pain Scale, McGill,Pain Severities,Pain Test, Tourniquet,Questionnaire, McGill Pain,Scale, Analog Pain,Scale, Analogue Pain,Scale, McGill Pain,Severity, Pain,Test, Analgesia,Test, Formalin,Test, Nociception,Test, Tourniquet Pain,Tests, Nociception,Tourniquet Pain Tests
D011188 Potassium An element in the alkali group of metals with an atomic symbol K, atomic number 19, and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte that plays a significant role in the regulation of fluid volume and maintenance of the WATER-ELECTROLYTE BALANCE.
D004558 Electric Stimulation Use of electric potential or currents to elicit biological responses. Stimulation, Electric,Electrical Stimulation,Electric Stimulations,Electrical Stimulations,Stimulation, Electrical,Stimulations, Electric,Stimulations, Electrical
D004573 Electrolytes Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed) Electrolyte
D004576 Electromyography Recording of the changes in electric potential of muscle by means of surface or needle electrodes. Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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