The Forward Impulse describes in simple language how to balance the horse through engagement of the haunches, enlightened use of the seat, and conscientious elasticity of the hand. Not one in a hundred riders has access to the kind of teaching that focuses on controlled energy of the haunches. This book puts the focus where it belongs: first on the engine; then, on the system of aids that manages that power to create an opportunity for the horse to express himself with magnificent gaits.

The main subject of Piero Santini's second book, The Forward Impulse is the...