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|Title:||Effects of consecutive versus non-consecutive days of resistance training on strength, body composition, and red blood cells||Authors:||Yang Y.
diastolic blood pressure
glucose blood level
lean body weight
mean corpuscular hemoglobin
red blood cell distribution width
systolic blood pressure
|Issue Date:||2018||Citation:||Yang Y., Bay P.B., Wang Y.R., Huang J., Teo H.W., Goh J. (2018). Effects of consecutive versus non-consecutive days of resistance training on strength, body composition, and red blood cells. Frontiers in Physiology 9 (JUN) : 725. ScholarBank@NUS Repository. https://doi.org/10.3389/fphys.2018.00725||Abstract:||Health authorities worldwide recommend 2-3 days per week of resistance training (RT) performed ~48-72 h apart. However, the influence of recovery period between RT sessions on muscle strength, body composition, and red blood cells (RBCs) are unclear. Aim: Examine the effects of three consecutive (C) or non-consecutive (NC) days of RT per week for 12 weeks on strength, body composition, and RBCs. Methods: Thirty young, healthy and recreationally active males were randomly assigned to 3 C (~24 h between sessions) or NC (~48-72 h between sessions) days of RT per week for 12 weeks. Both groups performed three sets of 10 repetitions at 10-repetition maximum (RM) of leg press, latissimus pulldown, leg curl, shoulder press, and leg extension for each session. Ten RM and body composition were assessed pre- and post-RT. RBC parameters were measured on the first session before RT, and 0 and 24 h post-3rd session in untrained (week 1) and trained (week 12) states. Results: No training × group interaction was found for all strength and body composition parameters (p = 0.075-0.974). Training increased strength for all exercises, bone mineral density, and total body mass via increased lean and bone mass (p < 0.001). There was no interaction (p = 0.076-0.994) and RT induced temporal changes in all RBC parameters (p < 0.001-0.003) except RBC corrected for plasma volume changes (time × training interaction; p = 0.001). Training increased hematocrit and lowered mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration (p = 0.001-0.041) but did not alter uncorrected RBC, hemoglobin, mean corpuscular volume and RBC distribution width (p = 0.178-0.797). Conclusion: Both C and NC RT induced similar improvements in strength and body composition, and changes in RBC parameters. © 2018 Yang, Bay, Wang, Huang, Teo and Goh.||Source Title:||Frontiers in Physiology||URI:||https://scholarbank.nus.edu.sg/handle/10635/175379||ISSN:||1664-042X||DOI:||10.3389/fphys.2018.00725|
|Appears in Collections:||Staff Publications|
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