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The 5:2 diet

89 watchers
Jan 2013
7:35am, 13 Jan 2013
4,148 posts
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bigleggy
Fast Day 2 today. Gotta a feeling this is gonna be a looooong day !
Jan 2013
9:06am, 13 Jan 2013
13 posts
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mudskipper
You'll be fine BL. Have a good day. :)
Jan 2013
9:54am, 13 Jan 2013
4,149 posts
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bigleggy
Thanks Muds, you too :-)
Jan 2013
10:31am, 13 Jan 2013
15,031 posts
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FenlandFunRunner
Stupid question, on the fast day you guys and gals do no training, right?
Jan 2013
10:50am, 13 Jan 2013
4,151 posts
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bigleggy
I'm injured at the mo FR so not training at all.

But for me I work a 3on 3off shift pattern. My fast days are when I'm in work and have no time to train anyway. When I do get back to training (trial run tomorrow) the intention is to eat normally during my time off and train too.

So to answer your question - Yes , I do not train on fast days :-)
Jan 2013
10:51am, 13 Jan 2013
14 posts
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mudskipper
Personally Fenland it depends how I'm feeling. I didn't do any yesterday because I was feeling tired but have trained on the other fast days . Mosley book states "Research demonstrates that even a more extreme three-day total fast has no negative effect on the ability to perform short-term, high-intensity workouts or long-duration, moderate intensity exercise."
Jan 2013
10:54am, 13 Jan 2013
23,424 posts
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Velociraptor
If I was doing this diet, I'd expect to be able to train on "fast" days. I'd probably use short sharp sessions for their appetite-suppressant effects.

Anyway, folk with anorexia nervosa manage to live in the gym or go out running for hours while eating nothing but green leaves and cups of weak Bovril EVERY day :P
Jan 2013
10:59am, 13 Jan 2013
15,037 posts
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FenlandFunRunner
Interesting, I haven't fuelled before running for a long time, and now no longer fuel while on training runs less than 2-3 hours but can't imagine not refuelling after running and 600 calories would be a 'snack' :-)
Jan 2013
12:32pm, 13 Jan 2013
79 posts
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suzeedee
I train on the morning of a fast day- as I don't usually eat before morning runs anyway and that way I'm not really running on empty, as I have eaten reasonably well the day before. I would be more wary of running the day after a fast though, particularly if I were doing a long run in the morning. I think it would be best to run later in the day once I'd fueled up a bit. I think that you can work around the training and fasting if you plan it.
Jan 2013
7:26pm, 13 Jan 2013
2,985 posts
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sallykate
I wouldn't train on a fast day. I don't see what the benefits would be. I wouldn't have the energy to do a decent speed session and anything else would just leave me unnecessarily hungry and disappointingly slow. The exception might be a gentle swim making me ravenous to appreciate my meagre portion of vegetable soup.

I haven't read the book so I don't know what the advice is around exercise. "Fasting" calorie intake is based on 25% of the average maintenance intake - so 500 for a woman or 600 for a man. My OH has tended to add 100% of any exercise calories on to this - though his exercise probably only gets him 200 cals extra at most so it's still a big reduction on normal intake.

About This Thread

Maintained by Spark
Anyone want to try it with me?

Info - m.bbc.co.uk

5 days of 'normal' eating and 2 days eating 600 calories (men), 500 calories (women).

Fast days are best not done on consecutive days, unless you have amazing willpower.

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