Viktnedgång och positiva hälsoeffekter av träning kontra diet

[King Grub]

Background

The aim of this study was to compare 6 weeks short-term moderate intensity aerobic exercise and dieting on serum metabolomics and cardio-metabolic risk factors in pre-menopausal women.

Methods

Ninety previously inactive overweight and obese (BMI 25–35 kg/m2) women (age 41.5 ± 7.6 years) were randomized to either a 6-week Nordic walking exercise program (EX, n = 45) or dietary counseling group (DI, n = 45). Body composition, serum glucose, insulin and lipids were measured. Serum low-molecular-weight metabolites and lipid constituents were analyzed by nuclear magnetic resonance spectroscopy. Measurements were done at baseline and 7 days after the last training session.

Results

Six weeks aerobic exercise program yielded reductions in serum free fatty acids (−34.7%, 95% confidence interval (CI), −50 to −18, p < 0.001), glucose (−9.6%, 95% CI, −15 to −4, p < 0.001) and homeostasis model assessment of insulin resistance (HOMA-IR) (−28.7%, 95% CI, −48 to −10, p = 0.005) without changes in body weight or fat mass. Diet counseling resulted in loss of body weight (1.5%, 95% CI, −2.3 to −0.7, p = 0.001) but no changes in free fatty acids, fasting glucose, or HOMA-IR were found.

Conclusion

Our results indicate that small weight loss does not produce measurable health benefits, whereas short-term regular aerobic exercise can improve glucose and lipid metabolism even in the absence of weight loss in previously sedentary overweight and obese women.

The main findings of this study were that 6 weeks of moderate intensity aerobic exercise in previously sedentary overweight and obese premenopausal women was associated with significant reductions in serum free fatty acid, glucose, and HOMA-IR, without change in body weight, while 6 weeks of dietary counseling resulted in a small degree of weight loss with no observable improvements in glucose or lipid metabolism.

Metabolic response to 6-week aerobic exercise training and dieting in previously sedentary overweight and obese pre-menopausal women: A randomized trial. Journal of Sport and Health Science 1 June 2014

http://www.sciencedirect.com/science...95254614000404

[maqan]

Som vanligt är det träningen som ger den hälsofrämjande effekten.

[Bossebäver]

Ursprungligen postat av maqan

Som vanligt är det träningen som ger den hälsofrämjande effekten.

Att gå ner i vikt är hälsobefrämjande på egen hand.

[maqan]

Ursprungligen postat av Bossebäver

Att gå ner i vikt är hälsobefrämjande på egen hand.

Inte nödvändigtvis. Man kan vara hälsosamt överviktig också, såvida man uppvisar en god metabol profil.

[King Grub]

Ursprungligen postat av maqan

Inte nödvändigtvis. Man kan vara hälsosamt överviktig också, såvida man uppvisar en god metabol profil.

Compared with metabolically healthy normal-weight individuals, obese persons are at increased risk for adverse long-term outcomes even in the absence of metabolic abnormalities, suggesting that there is no healthy pattern of increased weight.

http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0061117/

[Armed Dingo]

Ursprungligen postat av King Grub

suggesting that there is no healthy pattern of increased weight.

Blundar och ler för mig själv för hur slutgiltigt det är. Underbart.