
Originally Posted by
kutter
If your goal is to gain a lot of muscle, then I would not focus on cardio, but you will need to hit the gym hard and lift heavy, which is very good for you incidentally since it stimulates the body to produce all kinds of good things like testosterone. The risk at your age is injury, trust me on how I know this. So make sure you have a spotter or use a machine, not as good as free weights but a lot less prone to injury. I gave up on lifting heavy in my early 50's, now I just try and keep up with cardio so my brother does not lap me when we ride mountain bikes.