Depends: Cardio exercise should be used for fitness of your heart. This can be accomplished in 30 minutes of vigorous activity a day. To be lean, you will benefit from stretching, strengthening and conditioning/training above your caloric intake. If your total fitness routine is greater than one hour, you may need specialized diet and supplements to avoid muscle damage/overuse.
Answered 8/22/2013
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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