Add Yahoo as a preferred source to see more of our stories on Google. For Harry King, an 82-year-old personal trainer, it was an arthritis diagnosis that inspired his fitness journey. When he was in ...

Our reporters have teamed up with fitness experts to design dozens of routines. Try something new — and build an exercise ...

For Harry King, an 82-year-old personal trainer, it was an arthritis diagnosis that inspired his fitness journey. When he was in his 60s, a doctor diagnosed him with arthritis in his knees and told ...

Now, at 55 years old, I’m a CrossFit trainer and certified sports nutritionist who throws a barbell around daily and competes in fitness challenges, and I’m feeling stronger and more alive than ever.