Send us Fan Mail Botox for the equine hoof sounds like a punchline until you learn the science behind it. We sit down with Dr. Kali Slavik and repeat guest Dr. Andrew van Eps to explore a simple but high-stakes question in equine biomechanics: what happens when you inject botulinum toxin into the deep digital flexor (DDF) muscle, the muscle-tendon unit that helps control the rotational forces acting on the horse’s foot and distal phalanx (P3)? We walk through the anatomy in plain terms...