Medium Trot/Jean Luc Cornille In respect of actual knowledge of limbs kinematics and equine vertebral column mechanism, medium trot is a performance athletically more demanding than Piaff and Passage. Rationally, medium trot should not be asked before at the least Prix Saint Georges and probably even later. In fact is medium trot is performed as it should maintaining perfect control of the balance and therefore cadence all the way through the diagonal, the athletic demands of the performance is