Please use this identifier to cite or link to this item: http://doi.org/10.25358/openscience-8509
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dc.contributor.authorMezghani, Nourhen-
dc.contributor.authorAmmar, Achraf-
dc.contributor.authorBoukhris, Omar-
dc.contributor.authorAbid, Rihab-
dc.contributor.authorHadadi, Atyh-
dc.contributor.authorAlzahrani, Turki Mohsen-
dc.contributor.authorTrabelsi, Omar-
dc.contributor.authorBoujelbane, Mohamed Ali-
dc.contributor.authorMasmoudi, Liwa-
dc.contributor.authorOuergui, Ibrahim-
dc.contributor.authorJamoussi, Kamel-
dc.contributor.authorMnif, Mouna-
dc.contributor.authorMejdoub, Hafedh-
dc.contributor.authorZmijewski, Piotr-
dc.contributor.authorGlenn, Jordan M.-
dc.contributor.authorTrabelsi, Khaled-
dc.contributor.authorChtourou, Hamdi-
dc.date.accessioned2022-12-20T10:49:43Z-
dc.date.available2022-12-20T10:49:43Z-
dc.date.issued2022-
dc.identifier.urihttps://openscience.ub.uni-mainz.de/handle/20.500.12030/8525-
dc.description.abstractAbdominal obesity has emerged globally as a major public health issue due to its high prevalence and morbidity. The benefits of physical exercise among the obese population are well documented. However, the optimal exercise intensity for reducing body fat and preventing insulin resistance and metabolic disorders is still under debate. This study aimed to examine the effects of three different intensities of combined endurance and strength training programs on anthropometric variables, physiological and muscular adaptations, and insulin sensitivity. Forty-three obese young women (age 26.4 ± 4.7 years, BMI 33.1 ± 2.5 kg/m2) were randomly assigned to one of four groups: a control group (G0), a moderate-intensity training group (G50, exercising brisk walking at 50% heart rate reserve HRR), a high-intensity training group (G75, exercise jogging at 75% HRR), and an alternated-intensity training group (G50/75, exercise brisk-walking/jogging at 50–75% HRR) with additional strength training once a week for each group. Body composition, waist circumference (WC), fasting blood glucose, insulin sensitivity and resistance (Homa-IR), resting heart rate (RHR), 6-min walk distance (6MWD), 1-repetition maximum (1-RM), and time to exhaustion (TTE) at 45% and 75% maximal voluntary contraction (MVC) for both the flexor and extensor muscle groups of the knees, were recorded before and after three months of exercise training. All training groups showed significant decreases in body mass, BMI, total body fat, body fat percentage, WC, abdominal and visceral mass (p < 0.001), with a greater reduction of body mass and BMI in G75 (p < 0.05). Lean mass increased significantly only in G50/75 (p < 0.05). The insulin sensitivity and Homa-IR decreased in the three training groups (p < 0.01), with greater enhanced resistance in G50 compared to G75 and G50/75 (p < 0.05). In contrast, there were no pre-post changes in all groups for fasting blood glucose (p > 0.05). 1-RM and TTE of the knee flexor and extensor muscles were improved in the three groups (p < 0.01), with greater improvement in G50/75 for 1RM and G75 in most of the TTE parameters (p < 0.05). RHR decreased and 6MWD increased significantly in the three training groups (p < 0.01), with greater 6MWD improvement in G75 (p < 0.05). In conclusion, the three training intensities seem to generate benefits in terms of body composition, physiological and muscular adaptations, and insulin resistance. High training intensity resulted in greater improvements in body mass, BMI, and endurance and strength, whereas moderate training intensity resulted in greater improvements of insulin resistance and homo-IR. Following alternate-intensity training, greater improvements were observed in lean mass and maximal strength performance.en_GB
dc.description.sponsorshipGefördert durch die Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 491381577de
dc.language.isoengde
dc.rightsCC BY*
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.subject.ddc796 Sportde_DE
dc.subject.ddc796 Athletic and outdoor sports and gamesen_GB
dc.titleThe impact of exercise training intensity on physiological adaptations and insulin resistance in women with abdominal obesityen_GB
dc.typeZeitschriftenaufsatzde
dc.identifier.doihttp://doi.org/10.25358/openscience-8509-
jgu.type.contenttypeScientific articlede
jgu.type.dinitypearticleen_GB
jgu.type.versionPublished versionde
jgu.type.resourceTextde
jgu.organisation.departmentFB 02 Sozialwiss., Medien u. Sportde
jgu.organisation.number7910-
jgu.organisation.nameJohannes Gutenberg-Universität Mainz-
jgu.rights.accessrightsopenAccess-
jgu.journal.titleHealthcarede
jgu.journal.volume10de
jgu.pages.alternative2533de
jgu.publisher.year2022-
jgu.publisher.nameMDPIde
jgu.publisher.placeLausannede
jgu.publisher.issn2227-9032de
jgu.organisation.placeMainz-
jgu.subject.ddccode796de
jgu.publisher.doi10.3390/healthcare10122533de
jgu.organisation.rorhttps://ror.org/023b0x485-
jgu.subject.dfgGeistes- und Sozialwissenschaftende
Appears in collections:DFG-491381577-G

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