Start loading hip extension like it matters – because it does. Drop isometrics into warm-ups, press from a split stance, and expose the tissues before they fail you. Build it now, or pay for it later ...

Developed by Melanie Zeilinger, Dr Andrea Carron and Christina Spengler at Switzerland’s ETH Zurich University, the Airshield employs an existing sprinting technique called ‘overspeed training’.