Weighted Seated Bicep Curl (on stability ball)

How to perform it

Step-by-step instructions

1. 01Sit tall on a stability ball with both feet planted wide enough for balance and hold a dumbbell in one hand.
2. 02Let the working arm hang beside the body with the palm forward and elbow close to the ribs.
3. 03Curl the dumbbell toward the shoulder without leaning or rolling the ball.
4. 04Keep the upper arm still and wrist neutral at the top.
5. 05Lower slowly, complete the set, and switch arms.