: Developing "stiff" toes and a strong arch is essential for sprinting speed and jumping height. Conscious Engagement
: Training is viewed through an integral model where the foot is the foundation for all movement above the ankle. Injury Prevention secret of athleticism book
You don't jump with your quads; you jump by pre-stretching the Achilles and patellar tendons. The book introduces the concept of "The Stretch-Shortening Cycle (SSC) Amplifier." : Developing "stiff" toes and a strong arch