"A Vegetarian vs. Conventional Hypocaloric Diet: The Effect on Physical Fitness in Response to Aerobic Exercise in Patients with Type 2 Diabetes." A Parallel Randomized Study
Jazyk angličtina Země Švýcarsko Médium electronic
Typ dokumentu srovnávací studie, časopisecké články, randomizované kontrolované studie
PubMed
27792174
PubMed Central
PMC5133059
DOI
10.3390/nu8110671
PII: nu8110671
Knihovny.cz E-zdroje
- Klíčová slova
- insulin sensitivity, maximal oxygen consumption, maximal performance, physical fitness, type 2 diabetes, vegetarian diet,
- MeSH
- aplikace orální MeSH
- bazální metabolismus MeSH
- cvičení * MeSH
- diabetes mellitus 2. typu komplikace dietoterapie metabolismus terapie MeSH
- diabetická dieta * škodlivé účinky MeSH
- dieta vegetariánská * škodlivé účinky MeSH
- energetický metabolismus MeSH
- hyperglykemie prevence a kontrola MeSH
- hypoglykemie prevence a kontrola MeSH
- hypoglykemika aplikace a dávkování terapeutické užití MeSH
- inzulinová rezistence MeSH
- kombinovaná terapie MeSH
- lidé středního věku MeSH
- lidé MeSH
- nadváha komplikace prevence a kontrola MeSH
- redukční dieta * škodlivé účinky MeSH
- sportovní výkon MeSH
- spotřeba kyslíku MeSH
- tělesná výkonnost * MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- randomizované kontrolované studie MeSH
- srovnávací studie MeSH
- Geografické názvy
- Česká republika MeSH
- Názvy látek
- hypoglykemika MeSH
It has been shown that it is possible to modify macronutrient oxidation, physical fitness and resting energy expenditure (REE) by changes in diet composition. Furthermore, mitochondrial oxidation can be significantly increased by a diet with a low glycemic index. The purpose of our trial was to compare the effects of a vegetarian (V) and conventional diet (C) with the same caloric restriction (-500 kcal/day) on physical fitness and REE after 12 weeks of diet plus aerobic exercise in 74 patients with type 2 diabetes (T2D). An open, parallel, randomized study design was used. All meals were provided for the whole study duration. An individualized exercise program was prescribed to the participants and was conducted under supervision. Physical fitness was measured by spiroergometry and indirect calorimetry was performed at the start and after 12 weeks Repeated-measures ANOVA (Analysis of variance) models with between-subject (group) and within-subject (time) factors and interactions were used for evaluation of the relationships between continuous variables and factors. Maximal oxygen consumption (VO2max) increased by 12% in vegetarian group (V) (F = 13.1, p < 0.001, partial η² = 0.171), whereas no significant change was observed in C (F = 0.7, p = 0.667; group × time F = 9.3, p = 0.004, partial η² = 0.209). Maximal performance (Watt max) increased by 21% in V (F = 8.3, p < 0.001, partial η² = 0.192), whereas it did not change in C (F = 1.0, p = 0.334; group × time F = 4.2, p = 0.048, partial η² = 0.116). Our results indicate that V leads more effectively to improvement in physical fitness than C after aerobic exercise program.
Institute for Clinical and Experimental Medicine Videnska 1958 9 14021 Prague Czech Republic
Institute of Endocrinology Narodni 8 11394 Prague Czech Republic
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