For young women doing strength training twice a week, preacher curls might build more muscle in the lower part of the biceps than incline curls.

If young women do preacher curls instead of incline curls during their arm workouts for 8 weeks, they’ll likely gain more muscle in the lower part of their biceps.

If young women do preacher curls instead of incline curls during their workouts for 8 weeks, they’ll likely build more muscle in the lower part of their biceps.

If young women do incline bicep curls twice a week for 8 weeks, their upper arm muscles grow more than if they did preacher curls — showing that the type of curl might change where the muscle grows most.

If young women do incline bicep curls twice a week for 8 weeks, their upper arm muscles grow more than if they did preacher curls — the type of curl really affects where the muscle grows.

Among women who train recreationally, preacher curls lead to more muscle growth in the elbow flexors than incline curls, especially toward the lower part of the muscle.