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Good to know. I’m glad to see they didn’t test CRD strength during the first 3 or 4 days after the switch. I’ve read elsewhere that it takes 3-4 weeks to adapt to very-low-carb eating. Apparently not, in terms of strength and power. Wonder about aerobic fitness/endurance.
-Steve
ReplyOne reads lots of bodybuilders saying how carbs are so necessary, but I think that’s just old school thinking, the same as the sat fat is bad for you stuff. Nice to see this in an actual study. Also, a number of studies show that carbs don’t cause an increase in muscle anabolism when enough protein is present. So, carbs don;t seem to be very necessary.
ReplyBBC: Light bedrooms ‘link to obesity’
All fat people need to do is turn off all the lights at night and close the curtains and they’ll lose weight.
Reply“Weight loss occurred, yet power and strength did not decline, which would indicate that the weight loss was almost entirely fat tissue.”
I’m not clear why this is so. Can you clarify?
ReplyLauren, power and strength come from muscle tissue. If a substantial portion of the weight loss had been muscle, then power and strength would have declined. Since it didn’t, we can conclude that most or all of the weight loss was not muscle, but fat.
ReplyI don’t have access to the full article, so perhaps the authors already explained this, but how do we know it wasn’t loss of water weight? I was under the impression that low carb diets (and the low carb diet is this study is very low based on the numbers in the abstract) are known for decreasing water weight, especially in the short-term. That said, I think you are probably more right than wrong about the subjects’ weight loss being due to loss of fat as the CRD diet in the study had significantly less calories.
ReplyLauren, you’re correct, some of the weight loss would have been water. However, calorie consumption dropped considerably by about 400 calories a day, so that would have caused fat loss. I think we can also conclude, based on strength and power, that little to no muscle mass was lost.
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