People who regularly visit gym don't know about that how many to be engaged in it on time. This question very correct, everyone wants to bring to the body only benefit, but not harm. All training process has to be organized intelligently.
Some hold the opinion that it is better to be engaged no more than three hours in the mornings, others – it is no more than an hour. As after all it is correct?
Let's consider major factors which influence duration of exercises. The first of them – age. The person is more senior, the it is less than his opportunity. Therefore – time of trainings has to be minimum. The result will be longer achieved, than at others, but the organism won't be exhausted. The second – the experience of trainings. Beginners hardly master the set of exercises which lasts one hour. And here more "advanced" cope with such exercises very simply. The third factor – the condition of the organism before the training. Most of people hurry in gym at once after work. The person is exhausted, forces on the training remains a little. The fourth – the number of trainings in the week. Than more often you are engaged (for example 3-4 times a week), that time has to be less. It isn't necessary to overload the organism.
Remember that short trainings won't bring desirable results, and too long can harmful affect the organism. The majority of training programs is calculated for 1.5 hours. But it depends also on above-mentioned factors. Be guided by the organism, opportunities and overall health. For maximum efficiency, of course, it is necessary to force itself to execute all set of exercises. But if you felt dorsodynias, joints, then it is better to postpone the training. The most important rule – the training has to take place under the slogan "but needs must", but "through I can".
Duration of the training depends also on the purpose which you want to reach. For example, if you wish to build up muscle bulk, then duration has to be about 1-1.5 hours. For beginners this time will be slightly big as they need to provide to muscles the basic basis at first. If your purpose is to lose excess weight, then will be half an hour enough, but it isn't less.
Choosing for itself the optimum duration of occupations, consider age and the state of health. Then trainings will bring only benefit.