I am a 40-yr old male that is trying to get back in shape. I have been a desk-jockey for most of my life, but my best sport has been tennis when I was about 50 lbs. lighter.
It has been a while since I did weight lifting as a form of exercise & my typical routine is as follows. Go to a machine, lift a challenging weight for 3 sets of 12 reps. If I get to 18 reps on the last set, then I bump up the weight...Is this a good workout or is there a faster way to build muscle? Is one/two set(s) with a heavier weight the way to go?
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