The Mature Distance Runner: Fundamentally Speaking Part Five
: Mature fallen acorns are often processed by drying them and then pounding the meat in a mortar to create a fine flour. Mature Development vs. "Pounding" Work pounding matures
: Trainers often advise against "pounding work"—such as speed, tight spins, or heavy jumping—for young horses (ages 2–4) because their skeletons and spines are not fully developed. Pushing a horse too hard before it matures can lead to long-term issues like arthritis and joint damage . The Mature Distance Runner: Fundamentally Speaking Part Five