Performing the: A Step-by-Step Tutorial Assisted Close grip Underhand Chin up
Reach up and grab the bar with a close grip, palms facing towards you (underhand grip), while your assistant holds onto your waist or legs.
Pull up your body towards the bar by bending your elbows and squeezing your shoulder blades together, all while your assistant provides support by lifting some of your weight.
Continue pulling yourself up until your chin is above the bar level, then hold the position for a moment.
Slowly lower yourself back down to the starting position with the help of your assistant, ensuring to fully extend your arms, and repeat the process for your desired number of repetitions.