Progressive load training: an extra 15 minutes a day resulted in 301 fewer injuries in the NFL.
Progressive overload training isn't a theoretical principle, but a specific protocol. An analysis of NFL practices in the April 2026 American Journal of Sports Medicine revealed that teams which added just 15 minutes of training per day during the first week of camp had significantly fewer muscle strains. This is the top league in the world, not amateurs. It's applicable for amateur return to fitness too...
