@tillymack - I have never not weight trained except after a shoulder surgery. In my younger years I lifted heavier weights with lower repetitions and always had a day off between training. As I got into my 60's I lightened the weights and upped the reps. My chest size is no smaller nor larger than years ago and still muscular. Same for my arms. My legs are slightly smaller with some of that due to previous knee injuries and not putting a lot of pressure on them. I was told by my orthopedic surgeon that I needed a complete right shoulder replacement almost 10 years ago but it hasn't affected my lifting because I know what to stay away from and how not to "tweek" it! I always knew that this was one "sport" that I would never give up knowing it would help me as I hit the "golden" years!