The hamstring muscle group play a critical role in high speed running and, as such, are commonly exposed to high risk and injury. To increase your speed and prevent injury you need eccentrically strong hamstrings. Completing an ongoing menu of exercises on the Hamstring Solo will bulletproof the hamstrings by making them stronger and more resilient.
Senior lecturer in elite performance Lancashire UK. Head of Strength and Conditioning for UK athletics. Two successful 6 Nations campaigns, Rugby World cup 2015, IRFU