HSR007 SKI&ROW training machine belongs to the Impulse HI-ULTRA sub-brand. The HI-ULTRA is a professional high-intensity intermittent training equipment series specially developed by our company for HIIT sports demands. Adhering to the training concept of HIIT, HI-ULTRA helps trainers to achieve efficient, extreme cardiorespiratory ability and impact speed, so as to acquire the explosive running ability and cardiorespiratory endurance.