This document provides information about high-intensity interval training (HIIT) exercises for beginners. HIIT involves alternating between short periods of intense exercise at 90% of maximum heart rate and recovery periods at 60% heart rate. The benefits of HIIT include improved aerobic and anaerobic fitness, better blood pressure, cardiovascular health, insulin sensitivity, cholesterol levels, and reduced abdominal fat and body weight. It recommends two 15-second HIIT routines for beginners with 5 seconds of rest between exercises and repeating the routine up to three times.