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.

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 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.

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 preacher curls twice a week for 8 weeks, they get stronger at that specific move compared to doing incline curls — it really helps to train the way you want to get strong.