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Associations between Motor Competence, Physical Self-Perception and Autonomous Motivation for Physical Activity in Children
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The Effect of Resistance Exercise Intensity on Acute Hyperglycemia in Young Adult Males

Physiology of Exercise and Sport Laboratory, California State University, Long Beach, CA 90840, USA
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Sports 2020, 8(9), 121; https://doi.org/10.3390/sports8090121
Received: 31 July 2020 / Revised: 27 August 2020 / Accepted: 31 August 2020 / Published: 3 September 2020
The purpose of this study was to examine the effect of resistance exercise (RE) intensity on acute hyperglycemia, in young adult males. Thirteen males (age 23.43 ± 2.18 years, height 175.16 ± 10.44 cm, weight 77.02 ± 8.91 kg, body fat 20 ± 0.03%) participated in three randomized testing sessions, each separated by 96 h. The three testing conditions were: control (CON; induction of hyperglycemia with no-exercise), high (HI; induction of hyperglycemia followed by high-intensity RE: 5 × 4, 90% 1-repetition maximum (1-RM)), and moderate (MO; induction of hyperglycemia followed by low-intensity RE: 3 × 14, 65% 1-RM). In all three testing conditions, participants orally ingested a D100 (100 g/10 oz) glucose beverage at a dosage of 2 g glucose/kg body weight and capillary blood was obtained for plasma glucose and insulin analysis at 0 (fasting), 30, 60, 90 and 120 min, following glucose ingestion. At 30-min post-ingestion in the HI and MO conditions, participants began the respective RE protocols. Acute hyperglycemia was achieved throughout all three 2-h testing conditions; mean 2-h plasma glucose levels during CON (7.1 ± 1.3 mmol∙L−1), MO (7.5 ± 0.6 mmol∙L−1) and HI (8.2 ± 1.9 mmol∙L−1) were all significantly (p < 0.05) greater than mean fasting plasma glucose (5.6 ± 0.46 mmol∙L−1). Plasma glucose and insulin did not differ (p < 0.05) between treatment conditions at any times points over the 120 min, however, 2-h glucose area under the curve in the HI condition was significantly greater (p < 0.05) than CON and MO. In conclusion, this study indicates that hyperglycemia, induced prior to RE, may be exacerbated by high-intensity RE. View Full-Text
Keywords: glycemic control; strength training; glucose; insulin glycemic control; strength training; glucose; insulin
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MDPI and ACS Style

Schick, E.E.; Segura, L.E.; Emamjomeh, S.; Cotter, J.A. The Effect of Resistance Exercise Intensity on Acute Hyperglycemia in Young Adult Males. Sports 2020, 8, 121. https://doi.org/10.3390/sports8090121

AMA Style

Schick EE, Segura LE, Emamjomeh S, Cotter JA. The Effect of Resistance Exercise Intensity on Acute Hyperglycemia in Young Adult Males. Sports. 2020; 8(9):121. https://doi.org/10.3390/sports8090121

Chicago/Turabian Style

Schick, Evan E., Luis E. Segura, Shayán Emamjomeh, and Joshua A. Cotter. 2020. "The Effect of Resistance Exercise Intensity on Acute Hyperglycemia in Young Adult Males" Sports 8, no. 9: 121. https://doi.org/10.3390/sports8090121

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