I go in the gym an hour a day for 5 days out of the week,i do the bike, treadmill, elliptical and rowing machine(if i feel like it) but i don't know if i am burning 500 as sometimes i don't try my hardest, do you have to put all your energy into it and go really fast to burn that much?
How can you burn 500 calories in the gym?
- Thread starter Maria
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