Illustrated guide to the Stability Ball Preacher Curls exercise

Stability Ball Preacher Curls

Preacher curl with arms over a stability ball — bicep isolation with the ball serving as the preacher pad.

Level: Foundation

Primary: Biceps

Movement: Isolation

Tags: Balance / Stability Pull

Type: Light Activity

Equipment: Stability Ball

Sports: Baseball Wrestling

Target muscles

The biceps brachii drives elbow flexion. The brachialis contributes. The trunk braces against the unstable ball.

How to perform

Setup

Kneel behind the stability ball. Drape the upper arms over the top of the ball. Hold a dumbbell in each hand.

Execution

Curl the dumbbells upward by bending the elbows. Keep the upper arms against the ball. Slowly lower.

Common mistakes

  • Letting the upper arms lift off the ball.
  • Going too heavy.
  • Cutting the range.
  • Body swaying.
  • Bouncing.

Progressions and regressions

Regress to standing curls. To progress, work pause curls.

Programming notes

Bicep isolator. 3 sets of 10-12 reps, twice a week.

Related exercises