Rapiture Muscle Builder You must know your limits, but you shouldn't stop doing a set until you've lifted as much as you can. For each set you do, you should really push yourself until you are physically unable to do one more push up or lift your weights one more time. You can then begin using heavier weights and doing less repetitions to increase muscle size.Rapiture Muscle Builder Try to make sure you stretch out your muscles while you work out. Anyone that is under forty years old needs to make sure that each stretch is held for a minimum of thirty seconds. If you are over 40, hold the stretch for a minimum of 60 seconds.

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