When is walking and jogging too much?

i dont know how long u have been doing this but if it for an extended period of time ( a few weeks or so) and u have been able to maintain this routine and feel fine (not sluggish or weak rest of day) then go ahead and do this. just watch what you consume (eat) and make sure u are getting enough of everything. if u start eating less then it will drag ur body down from all the work it is doing (then u will crash). and u are right about the weights u need to start this sometime. it will actually help u lose weight too. the more muscle mass=the higher metabolism. meaning the more calories u will burn, even if its just sleepign or sitting. and about how u time ur running...this is fine. it is actually better to take ur heartrate up and down when trying to lose (not necessary for the cardio benefits...those state u have to have ur heartrate up consistent for 30 mins or more). but the way u are doing it keeps the body from becoming accustomed to ur workout and u dont plateau so easily. just try to put in more running as time goes along. hope this helps :)

As long as you are still moving inbetween your runs - like you said you walk during the show. Actually that's interval training which is great for you. By doing this you increase the heart rate while running and than during your walk you recover some - you still want to keep the run at a faster pace though and not recover completely. Also, two 40 minutes sessions is not overworking your body unless you start to feel overworked. As long as your body feels that it is handling it okay and not tired and weak you are good to go. Sounds like you've got a good thing going and keep at it!

The amount of exercise one can tolerate depends on all sorts of things -- your age, your BMI and how fit you are. In general, jogging is not regarded as a great thing to do in the long run, any more as an aerobic exercise.... It is very taxing on the joints in your lower body -- feet, ankles knees and of course hips. Those parts wear out, and in the future, if they are overstressed, you are looking at osterarthritis -- painful, and possible joint replacements. Better that you stress your body in ways that do it without involving impact jolts -- lift weights, rotating machines, bicycles, etc. Jarring exercises, are now being given a second look at by orthopedic surgeons and orthopedic physicial therapists.

Listen to your body - if you not hurting or feeling sad then go for it, very impressed with the amount you do by the way