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.

49

Pro

0

Against

Evidence from Studies

Supporting (1)

49

Community contributions welcome

49

Distinct muscle growth and strength adaptations after preacher and incline biceps curls

Randomized Controlled Trial

Human

2025 May

The study found that preacher curls increased lower biceps size more than incline curls in young women after 8 weeks, just like the claim says.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Distinct muscle growth and strength adaptations after preacher and incline biceps curls

Score: 49

DOI: 10.1055/a-2517-0509

Similar Assertions

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.

49

0

96%

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.

49

0

94%

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.

49

0

90%

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.

49

0

90%

Whether you do preacher curls with a cable machine (harder when your arm is bent) or a barbell (harder when your arm is straight), your biceps grow about the same amount after 10 weeks of training.

47

0

88%