30 mins: 30mins until you can increase your time in 15 mins blocks ...It depends also what are you trying to achive? Weigh loss? Muscle? Cardio? That makes a difference!
Answered 10/4/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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