2018-07-09, 18:52
|
#1
|
Chefsarkitekt Oljebyxor
Reg.datum: Mar 2002
Ort: Norrtälje
Inlägg: 78 283
|
Minskad mängd kroppsfett av ketogen diet + styrketräning vid kaloriöverskott
Citat:
Background
Ketogenic diets (KD) have become a popular method of promoting weight loss. More recently, some have recommended that athletes adhere to ketogenic diets in order to optimize changes in body composition during training. This study evaluated the efficacy of an 8-week ketogenic diet (KD) during energy surplus and resistance training (RT) protocol on body composition in trained men.
Methods
Twenty-four healthy men (age 30 ± 4.7 years; weight 76.7 ± 8.2 kg; height 174.3 ± 19.7 cm) performed an 8-week RT program. Participants were randomly assigned to a KD group (n = 9), non-KD group (n = 10, NKD), and control group (n = 5, CG) in hyperenergetic condition. Body composition changes were measured by dual energy X-ray absorptiometry (DXA). Compliance with the ketosis state was monitored by measuring urinary ketones weekly. Data were analyzed using a univariate, multivariate and repeated measures general linear model (GLM) statistics.
Results
There was a significant reduction in fat mass (mean change, 95% CI; p-value; Cohen’s d effect size [ES]; − 0.8 [− 1.6, − 0.1] kg; p < 0.05; ES = − 0.46) and visceral adipose tissue (− 96.5 [− 159.0, − 34.0] g; p < 0.05; ES = − 0.84), while no significant changes were observed in the NKD and CG in fat mass (− 0,5 [− 1.2, 0.3] kg; p > 0.05; ES = − 0.17 and − 0,5 [− 2.4, 1.3] kg; p > 0.05; ES = − 0.12, respectively) or visceral adipose tissue (− 33.8 [− 90.4, 22.8]; p > 0.5; ES = − 0.17 and 1.7 [− 133.3, 136.7]; p > 0.05; ES = 0.01, respectively). No significant increases were observed in total body weight (− 0.9 [− 2.3, 0.6]; p > 0.05; ES = [− 0.18]) and muscle mass (− 0.1 [− 1.1,1.0]; p > 0,05; ES = − 0.04) in the KD group, but the NKD group showed increases in these parameters (0.9 [0.3, 1.5] kg; p < 0.05; ES = 0.18 and (1.3[0.5, 2.2] kg; p < 0,05; ES = 0.31, respectively). There were no changes neither in total body weight nor lean body mass (0.3 [− 1.2, 1.9]; p > 0.05; ES = 0.05 and 0.8 [− 0.4, 2.1]; p > 0.05; ES = 0.26, respectively) in the CG.
Conclusion
Our results suggest that a KD might be an alternative dietary approach to decrease fat mass and visceral adipose tissue without decreasing lean body mass; however, it might not be useful to increase muscle mass during positive energy balance in men undergoing RT for 8 weeks.
|
Journal of the International Society of Sports Nutrition, 9 July 2018. Efficacy of ketogenic diet on body composition during resistance training in trained men: a randomized controlled trial.
https://jissn.biomedcentral.com/arti...970-018-0236-9
Tyvärr utan kontroll av dieten, bara uppmaningar.
|
|
|
2018-07-09, 18:59
|
#2
|
Banned User
Reg.datum: Jul 2018
Ort: https://t.me/pump_upp
Inlägg: 113
|
Bs
Skickat från min G8141 via Tapatalk
|
|
|
2018-07-09, 19:05
|
#3
|
Registered User
Reg.datum: Oct 2012
Ort: Stockholm
Inlägg: 260
|
Kanske dum fråga nu, men KD-gruppen;
"There was a significant reduction in fat mass (mean change, 95% CI; p-value; Cohen’s d effect size [ES]; − 0.8 [− 1.6, − 0.1] kg; p < 0.05; ES = − 0.46) and visceral adipose tissue (− 96.5 [− 159.0, − 34.0] g; p < 0.05; ES = − 0.84)"
No significant increases were observed in total body weight (− 0.9 [− 2.3, 0.6]; p > 0.05; ES = [− 0.18]) and muscle mass (− 0.1 [− 1.1,1.0]; p > 0,05; ES = − 0.04) in the KD group,
Om de fick en reducerad fettmassa, men kroppsvikten var oförändrad, då måste det ju ha tillkommit vikt någonstans? Eftersom det enligt citatet ovan inte var muskelmassa, var hamnade den vikten?
Och om kroppsvikten var oförändrad, hur kan det betraktas som ett kaloriöverskott?
|
|
|
2018-07-09, 19:37
|
#4
|
Registered User
Reg.datum: Aug 2016
Inlägg: 123
|
Citat:
Ursprungligen postat av xcv
Kanske dum fråga nu, men KD-gruppen;
"There was a significant reduction in fat mass (mean change, 95% CI; p-value; Cohen’s d effect size [ES]; − 0.8 [− 1.6, − 0.1] kg; p < 0.05; ES = − 0.46) and visceral adipose tissue (− 96.5 [− 159.0, − 34.0] g; p < 0.05; ES = − 0.84)"
No significant increases were observed in total body weight (− 0.9 [− 2.3, 0.6]; p > 0.05; ES = [− 0.18]) and muscle mass (− 0.1 [− 1.1,1.0]; p > 0,05; ES = − 0.04) in the KD group,
Om de fick en reducerad fettmassa, men kroppsvikten var oförändrad, då måste det ju ha tillkommit vikt någonstans? Eftersom det enligt citatet ovan inte var muskelmassa, var hamnade den vikten?
Och om kroppsvikten var oförändrad, hur kan det betraktas som ett kaloriöverskott?
|
Kroppsvikten gick ner.
|
|
|
2018-07-09, 21:08
|
#5
|
Registered User
Reg.datum: Oct 2012
Ort: Stockholm
Inlägg: 260
|
Citat:
Ursprungligen postat av chadd
Kroppsvikten gick ner.
|
Ok, men då är det väl ej att betrakta som ett kaloriöverskott?
|
|
|
2018-07-09, 21:59
|
#6
|
Registered User
Reg.datum: Jan 2018
Inlägg: 509
|
Citat:
Ursprungligen postat av xcv
Ok, men då är det väl ej att betrakta som ett kaloriöverskott?
|
Man tappar en hel del vätskevikt när man drar ner på kolhydrater även om man stoppar i sig kaloriöverskott.
|
|
|
Regler för att posta
|
Du får inte posta nya ämnen
Du får inte posta svar
Du får inte posta bifogade filer
Du får inte redigera dina inlägg
HTML-kod är av
|
|
|
Alla tider är GMT +1. Klockan är nu 13:08.
|
|