The model was validated for passive football impact conditions represented by force–time functions and with experimental data. The effects of head/ball mass ratio, impact velocity, and elasticity were ...

The Football Association (FA ... to “support the players’ journey as they adapt from deliberately heading the ball in grassroots youth football matches”. Under the new rule, a deliberate ...

“My seven-year-old son plays football, and I advise him not to head the ball. For me, that’s essential. “Even if it doesn’t cause any immediate trauma, we know that in the long ...