Probably an hour before exercising or performing for the same reason you wait an hour after eating to swim. Being too active too soon after eating can make you throw up.
of course, your supposed to drink water while your exercising
About 1-2 hrs.
Prepare everything you need
Check the HCL
No, you should rest your muscle for AT LEAST 24 hours before exercising it again.
Yes, you should always be sterile before performing any experiment as to not add any variables.
60 to 90 minutes
The first thing you should do before exercising is stretch. You want to make sure your body is loose and ready for a good workout.
back up all the date
Persons with breathing problems who want to start exercising should choose a low aerobic exercise. People with breathing problems also should consult their doctor before starting a workout program.
After exercising and throughout exercising you should mainly drink water so your body doesn't get dehydrated.
Yes, This will allow your muscles to relax during the exercise instead of tightening up and pulling.