To perform a Negative Pullup, start by standing on a platform or stool to reach the top position of a pullup, with your chin above the bar.
Hold the bar with an overhand grip, hands shoulder-width apart. Slowly lower yourself in a controlled manner, taking 3 to 5 seconds to descend until your arms are fully extended. Keep your core engaged and maintain a straight body line throughout the movement. Repeat for the desired number of repetitions.