training for more than an hour

J

jarrick

0
I've read somewhere that after an hour of training your body chemestry changes in a way that means you don't really benefit from the training you're doing after that time.
I don't really know the scientific reasons for this -if anyone does, let me know- and was wondering how long after the hour's up can I start training agian? And also, does it apply to different types of training? eg, CV and strength
 
Well basically it depends on what you are training for and how you are training.

Different training lengths and different training styles will use different fuel methods. It is quite a vague question in a way because you aren't asking about a specific training.

If you are training for strength, well you can be training for a while actually if you take proper rest intervals between sets. Some strength sessions can last hours for competitive strongman given the correct rest intervals and length.

Training for endurance, then yes after a point your fuel sources, CNS effects, basic "chemistry" will alter. However, if you are training for endurance you need these things to occur.

Where people get in trouble is they will go heavy at it lifting weight after weight with little breaks for 45-60 mins, then hop on the treadmill and jog for 25 mins and then go to some jumping jack and etc... Is this a problem? If they are training to gain mass or to lose fat or gain strength or preserve muscle mass, yes it is. You have to train for what your goal is. When you know what your goal is you need to then understand how the body works with that goal. Numbers of set/reps and rest times aren't just thrown out there for the hell of it, there are reasons due to your bodies response that there are guidelines for different goals.

So find your goal and figure out your guideline.
 
well, I'm mainly doing running -up to 16 miles- at the mo. but have started training for strength as I'm entering into some assault course challenges so for instance, today I went for a 10k run in the morning and this evening I did strength training.
so what you're saying is that as long as i've given my body a bit of a rest between these sessions, I'll be fine? do you think a couple of hours would do it?
as far as the stength training goes, I'm doing 8-12 reps, 3-5sets of various stuff with 2-3 minutes rest between sets (although I usually do an exercise for different muscle groups back to back) but i find it hard to fit it all into an hour and could easily go on for 2. would this be ok do you recon?
 
There is some belief that short duration (<40-60 minutes), high intensity resistance exercise tends to trigger the body to release enhanced levels of HGH (human growth hormone) and longer duration (>60-90 minutes), lower intensity exercise (if an exercise session lasts longer than 60 minutes it almost necessarily must be lower intensity due to the fact that you can't keep up maximum intensity for a long period of time) tends to trigger the body to release cortisol. HGH tends to signal the body to burn fat and build muscle, kind of a natural steroid. Cortisol tends to signal the body to store fat. One of the explanations for this is that when your exercise session exceeds a certain duration and your body has burned all of its easily available energy stores it goes into mini-starvation mode and after the exercsie session ends it wants to store fat for long duration energy use in the next long duration exercise session which it assumes is coming in the near future. This is sometimes given as the reason why long distance runners tend to be "skinny-fat".
 
what i was gonna say ^^^ and cortisol which is a hormone also signifies the breakdown of protein hence muscle breakdown.
 
so after doing a long distance run, I suppose it would be wise to eat something with some fat in it to stop the body from robbing it from the muscles (if that's what it would tend to do) especially as i'm not trying to lose weight.
 
jarrick said:
so after doing a long distance run, I suppose it would be wise to eat something with some fat in it to stop the body from robbing it from the muscles (if that's what it would tend to do) especially as i'm not trying to lose weight.
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before during and after if you can.
 
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