Ben Simons on Instagram: "🔹A-Skip · C-Skip · B-Skip Originally developed by Gerard Mach in the 1960s, these classic skips were designed to isolate key shapes and segments of the sprint cycle. They’ve been criticised for over-emphasising hip flexion at the expense of hip extension — which is almost never the limiting factor in sprinting — and for omitting the crossed-extensor reflex that appears in true sprinting. That said, they still serve a purpose: they build rhythmic contact volume, specifi