10 Excuses for Not Exercising, and Why They Won't Fly By Katherine Hobson June 3, 2009 Comments SHARE 2. I'm too old. Next » 3 of 11 « Back (Lisa F. Young/iStockphoto) No, you aren't! Almost no one is too old or too frail to work out. Exercise can help stave off sarcopenia, or muscle loss, and prevent falls. It might help to find a trainer who has experience with older folks. Have a look at these tips from a 65-year-old trainer. Next: 3. I hate going it alone.