The effects of circuit resistance training on plasma progranulin level, insulin resistance and body composition in obese men

Safarzade, Alireza; Alizadeh, Hamid; Bastani, Zainab

doi:10.1515/hmbci-2019-0050

Cited by 10 publications

(10 citation statements)

References 46 publications

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“…Similar results were reported by another study after 12-weeks of CT with very high intensity (≥ 75% of HRmax) in obese and overweight females [21]. In addition, studies demonstrated no changes in fasting glucose levels following an 8-week resistance CT (3 times per week, 50-85% of 1-RM) in obese men [38], or following HCT protocol of only 4 weeks [22]. On the other hand, 2 studies which used only resistance CT demonstrated reductions in blood lipid markers in obese men (3 weekly sessions, 65-85% of 1RM) [36] and in obese overweight women (3-4 weekly sessions of 15 resistance exercise stations, 10-12 repetitions per station performed at 70-80% of HRR) after 8 weeks [33].…”

Section: Biochemical Markerssupporting

confidence: 88%

“…Other studies used circuit resistance/weight training in obese individuals, mostly in women [33][34][35][36][37][38] and reported varying results regarding body composition, muscular strength, and biochemical markers. Some other studies compared different CT protocols [25,[39][40][41] in this population with varying results, but most of them highlighted the superiority of higher intensities, in the changes of body composition.…”

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confidence: 99%

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Retrospective Comparison of Two Circuit Training Programs with Different Intensities in Obese and Overweight Individuals

Irene-Chrysovalanto¹,

Petros²,

Stefanakis³

2022

Int J Sports Exerc Med

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Aim:The aim of this study was to retrospectively compare two Circuit Training (CT) programs, one with moderate and one with high intensity, on the body composition, Cardiorespiratory Fitness (CRF), biochemical and physiological markers and isometric strength in apparently healthy obese and overweight individuals.Methods: This is a retrospective comparison of two groups of apparently healthy obese and overweight individuals that participated in two different trials examining the effect of two intermittent CT programs. The experimental groups in both trials were originally compared to a control (no exercise) group. One trial examined the effect of high intensity CT (HCT group) and the other the effect of moderate intensity CT (MCT group, n = 30). Participants on both trials were randomly assigned to the exercise or the control group. Both groups performed two exercise sessions per week for 8 weeks. MCT group performed 2 circuits of 8 exercise stations with 12 repetitions per station, performed for 1min at 50-60% of Heart Rate Reserve (HRR) alternated with 30s active recovery stations at 40-50% of HRR for the whole duration of the 8 weeks. HCT group performed 2 circuits of 6 exercise stations with 10-12 repetitions per station, performed for 1min at 50-60% of HRR alternated with 1min stations of 40-50% of HRR for the first 2 weeks and then progressed to an intensity of 70-85% of HRR, alternated with stations performed at 50-60% of HRR. Body composition, Cardiorespiratory Fitness (CRF), biochemical and physiological markers and isometric strength were measured in both groups using the same methodology.Results: Both programs had a 100% completion rate without any adverse effects. After 8 weeks, HCT group had greater but not significantly different reductions in body weight (BW) (HCT: -3.6%, MCT: -2.5%), body mass index (BMI) (HCT: -3.5%, MCT: -2.7%), in percentage (%) (HCT: -4.5%, MCT: -3.7%), and in kilograms (Kg) (HCT: -7.9%, MCT: -5.9%) of body fat, percentage (%) (HCT: 5%, MCT: 3.3%) and in kilograms (Kg) of lean body mass (LBM) (HCT: 1.9%, MCT: 0.3%), in waist circumference (WC) (HCT: -2.7%, MCT: -1.4%), in hip circumference (HCT: -1.3%, MCT: -0.5%), waist-hip ratio (WHR) (HCT: -1.2%, MCT: -1.1%), heart rate at rest (HR-rest) (HCT: -5%, MCT: -4.3%), mean arterial pressure (MAP) (HCT: -4.8%, MCT: -4.5%) and greater improvement in maximal oxygen uptake (HCT: 16.7%, MCT: 11.1%) (VO 2 peak). Blood lipids did not improve significantly in either group, but reductions in some variables were greater in the HCT group. On the other hand, MCT group appeared to induce greater improvements in Systolic Blood Pressure (SBP) (HCT: -3%, MCT: -5.3%), Diastolic Blood Pressure (DBP) (HCT: -4.6%, MCT: -5.6%), Double Product (RPP) (HCT: -7.2%, MCT: -10 %) and isometric strength of the lower extremity. Conclusion:Short duration CT programs with moderate intensity produce comparable changes in body weight, body composition and other health variables in obese and overweight individuals without comorbidities. This can possibly increase co...

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Section: Biochemical Markerssupporting

confidence: 88%

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confidence: 99%

Retrospective Comparison of Two Circuit Training Programs with Different Intensities in Obese and Overweight Individuals

Irene-Chrysovalanto¹,

Petros²,

Stefanakis³

2022

Int J Sports Exerc Med

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“…After excluding 1080 records due to their irrelevance to the research question, 1657 were considered eligible for full‐text assessment (Figure 1). A total of 116 articles 24–139 describing 114 independent trials were included in this systematic review and meta‐analysis with 23 articles examining children or adolescents, 24–46 30 articles examining young adults, 47–76 38 articles examining middle‐aged adults,…”

Section: Resultsmentioning

confidence: 99%

Resistance training effectiveness on body composition and body weight outcomes in individuals with overweight and obesity across the lifespan: A systematic review and meta‐analysis

et al. 2022

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To systematically review and analyze the effects of resistance-based exercise programs on body composition, regional adiposity, and body weight in individuals with overweight/obesity across the lifespan. Using PRISMA guidelines, randomized controlled trials were searched in nine electronic databases up to December 2020. Meta-analyses were performed using random-effects model. One-hundred sixteen articles describing 114 trials (n = 4184 participants) were included. Interventions involving resistance training and caloric restriction were the most effective for reducing body fat percentage (ES = À3.8%, 95% CI: À4.7 to À2.9%, p < 0.001) and wholebody fat mass (ES = À5.3 kg, 95% CI: À7.2 to À3.5 kg, p < 0.001) compared with groups without intervention. Significant results were also observed following combined resistance and aerobic exercise (ES = À2.3% and À1.4 kg, p < 0.001) and resistance training alone (ES = À1.6% and À1.0 kg, p < 0.001) compared with no training controls. Resistance training alone was the most effective for increasing lean mass compared with no training controls (ES = 0.8 kg, 95% CI: 0.6 to 1.0 kg, p < 0.001), whereas lean mass was maintained following interventions involving resistance training and caloric restriction (ES = $ À 0.3 kg, p = 0.550-0.727). Results were consistently observed across age and sex groups (p = 0.001-0.011). Reductions in regional adiposity and body weight measures were also observed following combined resistance and aerobic exercise and programs including caloric restriction (p < 0.001). In conclusion, this study provides evidence that resistance-based exercise programs are effective and should be considered within any multicomponent therapy program when caloric restriction is utilized in individuals with overweight or obesity.

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“…CharacteristicsA total of 2537 participants with overweight/obesity participated in the included studies: 506 young adults (median age = 23.6 yr, interquartile range [IQR] = 21.2 to 27.0 yr; median BMI = 28.5 kg•m −2 , IQR = 26.8 to 31.8 kg•m −2 ; and body fat percentage = 32.9%, IQR = 28.7% to 36.1%)103), 901 middle-age adults (median age = 44.5, IQR = 38.1 to 53.6 yr; median BMI = 29.9 kg•m −2 , IQR = 28.6 to 31.7 kg•m −2 ; and body fat percentage = 40.1%, IQR = 30.7% to 44.8%)(25,26,(66)(67)(68)(69)(70)(71)(72)(73)(74)(75)(76)(77)(78)(79)(80)(81)(82)(83)(84)105,106), and 1130 older adults (median age = 68.2 yr, IQR = 65.9 to 69.1 yr; median BMI = 29.4 kg•m −2 , IQR = 27.6 to 31.6 kg•m −2 ; and body fat percentage = 38.0%, IQR = 36.1% to 42.6%)(22,28,32,(85)(86)(87)(88)(89)(90)(91)(92)(93)(94)(95)(96)(97)(98)(99)(100)(101)…”

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confidence: 99%

Moderators of Resistance Training Effects in Overweight and Obese Adults: A Systematic Review and Meta-analysis

López

Radaelli

Taaffe

et al. 2022

Medicine &Amp; Science in Sports &Amp; Exercise

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Purpose: This study aimed to analyze whether the effects of resistance exercise on whole-body fat and lean mass are moderated by exercise dosage (i.e., duration, volume, and intensity), age, body mass index, baseline values, assessment methods, and prescription of aerobic exercise and caloric restriction in overweight/obese adults. Methods: A systematic search was undertaken in 11 databases from inception to December 2020, with an updated search undertaken in April 2022. Eligible randomized controlled trials examined the effects of resistance-based exercise programs on whole-body fat mass and lean mass in adults who were overweight or obese. Meta-analysis was undertaken with a random-effects model. Associations between mean differences and potential moderators were tested by meta-regression models. Results: Sixty-seven articles describing 65 trials (n = 2537) were included. Resistance-based exercise programs resulted in a significant change of −1.6 kg (95% confidence interval [CI] = −1.9 to −1.3 kg, P < 0.001) in whole-body fat mass and +0.8 kg (95% CI = 0.6 to 0.9 kg, P < 0.001) in lean mass. Male participants experienced greater effects than females (P < 0.001), whereas those presenting with higher levels of fat mass at baseline experienced greater reductions in this outcome (P = 0.084). For lean mass, younger adults experienced greater improvements compared with older participants (P = 0.009), whereas programs comprising resistance exercise and caloric restriction resulted in significant reductions in lean mass (P = 0.035). Resistance exercise dosage or prescription of aerobic exercise was not associated with change in these outcomes. Conclusions: Resistance-based programs improve body composition regardless of the resistance exercise dosage or aerobic component prescribed in adults who are overweight or obese. In addition, subgroups based on demographic characteristics, baseline levels, and presence of caloric restriction may present with more favorable responses in body composition.

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The effects of circuit resistance training on plasma progranulin level, insulin resistance and body composition in obese men

Cited by 10 publications

References 46 publications

Retrospective Comparison of Two Circuit Training Programs with Different Intensities in Obese and Overweight Individuals

Retrospective Comparison of Two Circuit Training Programs with Different Intensities in Obese and Overweight Individuals

Resistance training effectiveness on body composition and body weight outcomes in individuals with overweight and obesity across the lifespan: A systematic review and meta‐analysis

Moderators of Resistance Training Effects in Overweight and Obese Adults: A Systematic Review and Meta-analysis

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