
barbell alternate biceps curl
BicepsBarre

Étape 1: Sit on a stability ball with your feet flat on the ground and your back straight.
Étape 2: Hold a medicine ball with an underhand grip, palms facing up, and let your arms hang down by your sides.
Étape 3: Keeping your upper arms stationary, exhale and curl the medicine ball up towards your shoulders.
Étape 4: Pause for a moment at the top, squeezing your biceps.
Étape 5: Inhale and slowly lower the medicine ball back down to the starting position.
Étape 6: Repeat for the desired number of repetitions.