This is the time: When working with a trainer invaluable. A trainer can observe you to ensure you have proper form. If you don't feel it - you may not be working it that hard. Don't have to be in pain for a good workout.
Answered 3/18/2014
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
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