90
It depends what exercise you are doing, how hard you are working your body etc. To work out what your heart rate should be you take your age away from the maximum heart rate (205). So you should aim for a heart rate of 158 when exercising. Hope that helps :)
With exercise your resting heart rate should be reduced as your heart is more effecient at pumping blood and does not need to work as hard.
You check your pulse.
No, it can not.
3 days a week for 20 minutes.
Yes, your heart rate will change your energy levels in many different ways. If you are working out you will have a higher heart rate and this will cause you to be tired after you work out.
heart rate is the amount of beats your heart can make in a certain amount of time.heart rate is important because if your heart beats to slow when you excercise or to fast when you are doing nothing you could die.
It decreases because your heart no longer has to work as hard.
the rate increase as you do more work
These work by picking up electrical signals that are released when the heart muscle cells contract.
Everyone who is healthy should walk for at least thirty minutes a day (and work up to longer) with the heart rate getting in the target range to help your cardiovascular health. As you build up your strength, you can start measuring milage or kilometers and see how far you can walk!
You can work out someone's maximum heart rate (M.H.R) by deducting their age from 220.