OnFitness Magazine Articles
Smart Fitness. Stronger Living.
Explore evidence-based articles on training, nutrition, recovery, health, and longevity — written for adults who want to build strength, move well, and stay active for life.
Surfing Fitness After 70: Training, Recovery & Longevity Lessons from Joseph Grassadonia
At 74, lifelong surfer Joseph Grassadonia is still riding the powerful waves of Oahu’s North Shore. His approach to strength, recovery, nutrition, and adaptation offers practical lessons for staying active, capable, and connected to the activities you love as you age.