This exercise works your bicep muscles by using an exercise ball to hold your arm steady. Because the ball supports your arm, your bicep has to do all the work. You must stay balanced and controlled while doing it, which also helps strengthen your forearms.

Download BeFitnessAI and take your fitness to the next level
Add this exercise to your custom routines in BeFitnessAI
Use these hashtags when sharing on social media for better discoverability