Is it ok to workout more than one hour or will that start to burn muscle?
455037
The personal trainer at my gym recommended to me that while I am trying to tone up, I should avoid doing more than 30 minutes of cardio twice a week. (I thought this sounded rather low.) He said doing more than this would be counterproductive and would destroy the muscle tissue you were trying to build.\nPersonally, I do 30 minutes of cardio every time I do weights.
246617
I have to disagree with the previous posts.\nIn 1/2 an hour, you'll burn around 300 + calories because an increase in temperature (112 - 116 degrees) over your normal body temp causes fat cells to liquify and excrete out with your sweat.  Your body burns calories just trying to keep your normal body temp!
824545
20 minutes is a nice cardio workout, but if you want to build muscle, no. For example, I do bench press three sets about five times. Than I would do bicep workouts, three sets, five reps. And finally, I do forearm workouts. And your supposed to have at least two minute rest between reps.  Remember, less reps, more weight builds muscle mass; while less weight, more reps builds muscle endurance.
908151
if your trying to put on weight. how about every 6 hours.
486229
1 or so hours after workout, then before bed (sleep is where most regeneration is going to happen, and start of the day with one. Works for me.
273697
Yeah if you did all of that and you still don't feel the burn then maybe you should go and do it double the amount tonight. But then again why do you want to feel pain??? \nJust b/c you are not hurting doesn't necessarily mean that you need more just gradually increase your amount of squats and pushups everynight. But don't go over board with it you don't want to hurt yourself!!!!
712623
Stretching BOTH before and after the workout.  Warm up before for about 10 minutes doing cardio after the stretches.  Make sure you're hydrated. Eat a banana afterwards.  Enjoy a hot tub or bath.  OR maybe just don't work quite so hard!!  :o)  The phrase "No pain, no gain" is overrated!  If you gradually build up your muscles instead of tearing them, you'll feel better the next day and probably more like continuing the training sessions.  If you hurt all the time, you may give up too soon.  :o)
910474
You should take at least a 48 hour break between working the same muscle group(s) again. It could be longer, and all depends on how intensely you work them. If the muscles are still sore from your last workout, don't work them again. It is during this rest period that your body repairs and adds muscle.\n\nI've been doing a variation of Max-OT (link below). You work each muscle group once a week, and you work it hard. For example, Mondays are only legs, Tuesdays are only arms, Wednesdays are shoulders and traps, and so on. The workouts are very intense, and I'm usually sore for 3 to 4 days after each workout.
989616
If you have something dry like breads, 30 minutes is good, but I tend to have the most energy and least stomach issues if I wait an hour for doing anything where I am bouncing around like on a tredmill.  Remember that you should eat something light like a granola bar while you work out if you work out over 1 hour to keep energy levels up.
155998
Whenever you will actually do it.  First thing in the morning works really well for a lot of people (me included) but if afternoon or evening is better for you, do it then.  Some experts suggest not exercising within 2 hours of going to sleep, but I've found that if you do this and then take a long, relaxing shower you can usually fall asleep pretty easily.  (I used to have to be at work at 7 am, so working out in the morning was NOT gonna happen.)  The most important thing is that you do it, so do it when it works for you!
895971
For most people, 48 hours is enough time. It also depends on your workout. If you are doing very intense weight lifting, you may need to take longer for recovery. \n\nThe key is to learn to listen to your body. If progress starts to drop off, you may need to take more time off between workouts. If you are still sore from your last workout, you are not fully recovered yet.
1051477
I don't think that the length of time is too much. However, I suggest taking at least one day of in your 5 day heavy workout (like day 3) to rest. Your body needs to rejuvenate.
254703
You are simply burning the lactic acid in your muscles.  You may be sore the next day, but that burning you are experiencing is harmless.
145959
cardio is great for that. and yes a hour is fine, you only need 30 minutes of elevated heart rate a day for good health. but if you can do the hour keep it up good work.
522183
not at all, just stretch and drink a bottle of water or two before you start. pace yourself and enjoy. biking for i belive one hour burns about 600 calories it's great excercise and it's great when gas costs 3 bucks a gallon.
438952
its healthy to have at LEAST half an hour a day. if you want to be tone or really healthy then you will want to do an hour or more.
469776
Take a half hour break: spend 20 minutes doing some vigorous exercise until you break a sweat and get your metabolism and pulse revved up.  Then take a shower, change to clean clothes, and eat a high-protein meal with few carbs.  You'll be good to go for a few more hours.