Originally posted by teamSVTour:
rule of thumb is if you want to gain muscle mass and size and weight use free weights. If you want to tone and increase flexibility use machines and pulleys.
Ive heard the exact opposite. Machines do not let you chose the form you want, you are stuck with whatever position the machine is in. It will not let you focus on different areas of muscle groups.
the rule of thumb ive heard is that for mass and size you do heavy weights at low reps. for tone you need to do less weight and more reps. Nothing will help flexibility unless you take the time to stretch.
I gather this info from three friends. two who go to a gym with the intention to bulk up, and they do. They are also not very flexible anymore. The other friend works out at home with free weights (medium weights, medium reps). He takes the time to stretch and all that jive.
Who knows, maybe all of that is just an anomoly 
Alex
'99 SVT Contour
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