Quote:
Originally Posted by scorbett1103
There are actually a whole bunch of threads on this subject. But here's the bottom line.
Exercise on IP does NOT increase your weight loss. In fact, most of the time it causes your losses to SLOW. For some people, the good feeling of exercise is worth the slower weight loss, but that is something you will have to weigh out and decide.
IF you choose to exercise, no matter how light, make sure you add an extra packet within half an hour of finishing. IP is much too low in calories to sustain any burning of calories beyond normal daily activity, so you need to replace them soon after exertion.
At the end of the day, you need to decide what is best for you - and listen to your body. If you try out exercise and feel worse, your body may not be able to handle any amount of extra work while on IP - just pay attention to what it's telling you. Good luck!
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While I normally agree with you Scorbett I think there are a couple points here I would challenge and hopefully you'll see the wisdom in what I'm saying but I welcome you to challenge me if you don't.
First - while you're right that exercise will probably not increase weight loss and may even slow weight loss it should be noted that weight loss is not the same thing as fat loss. Fat loss will not be impacted by most exercise and it may even be accelerated. This is offset in that it may help retain more muscle which calorie for calorie weighs 5x as much as fat. Catoblizing a lb of mucle is worth a little more than 600 calories while a lb of fat provides 3500 calories. The point being - the more muscle you lose along with fat the faster you'll lose weight.
Second - the idea that one
must consume and extra packet, and that the packet
must be consumed 30 minutes after exercise is simply wrong. I've let this slide every time I seen you say it for two reasons. First, it really doesn't hurt anyone to have an extra packet and second I didn't have the time to explain why this is idea is wrong. Time permits so ...
Do you need an extra packet immediately when you exercise on the IP diet? Answer - "it depends". The answer to most questions is going to be "it depends" because you have to have context. What does it depend on? Primarily three things.
How big of a person are you? A 4'11" female has different protein needs than a 6'5" male. Of course the IP diet makes no differentiation between these two people - but an actual medical supervised PSMF diet would. A smaller person would probably be on a diet of around 500 calories and a larger person on the higher end - 1000 or more on a true PSMF diet. The relevant point is - if you're a really small person you are less likely to need any additional protein after exercise than a bigger person. When in doubt, consume additional protein.
What kind of exercise are you doing? No one, in my opinion, should be doing high intensity exercise for any kind of duration while on the IP diet. No question about it - the calories you ingest on the IP diet will inhibit recovery and significantly increase the chance of injury. Also, intense exercise increases cortisol which normally is offset by larger post workout meals but those don't happen with the IP diet. Increased cortisol levels can cause some weird (bad) things to happen. Having said that - what are you doing - are you jogging? Lifting heavy with low volume? Brisk Walking? Zumba? Casual walk? Riding a bike? The bottom line is - the less taxing the exercise the less need there is for extra protein.
Does protein need to be ingested after exercise? The idea that one needs protein right after exercise came from studies where subjects who consumed protein right after exercise had increased protein synthesis (muscle building) compared to those who did not. However, these tests were all done with fasted subjects. When you consider how long protein takes to digest if you had some kind of meal in the last 3-4 hours before exercise odds are you have amino acids still circulating in your blood stream, reducing the need to immediately eat. Also, intensity makes a big difference. If you're doing casual walking, you're almost enirely burning fat and not touching your glycogen stores.
What I'm saying here is - the OP said "long walks". What we don't know is:
When is the OP walking?
What size is the OP?
What speed are these walks occuring at?
If I were to answer the OP's question I would want to know all of the above first to get the correct context.
If the OP is 4'11", 130lbs and planning on a leisurely stroll after dinner I'm going to have a different answer than I would to a 6'4" 350lb male who is planning on a 30 minute power walk right after waking up.
At the end of the day - it's a heck of a lot easier to just say eat an extra packet and call it a day.