This 81-year-old fitness trainer rejoined the workforce after

FORTUNE on Instagram: He became a fitness trainer at 79. On

This 81-year-old fitness trainer rejoined the workforce after

GoPro Awards: Funny Pufferfish Selfie

The Retirement Wisdom Podcast

Your chronological age can do a number on you.' There's a boom in

Teddy Savage on LinkedIn: We still have time!! Let's come together

California Commission on Aging on LinkedIn: Commissioner David

Octogenarian Man Named World's Oldest Fitness Instructor, Beating

Evolve Gym specializes in 'health conversion

Bob Knight, Indiana's combustible coaching giant, dies at age 83

Blanca Castro on LinkedIn: Supporting Family Caregivers: A Key

81-year-old fitness trainer offers smart workout tips for seniors

Fitness coach hits back after trolls slam her 'fake' bikini poses