Does unilateral biceps curl training increase strength only in the trained arm and not the other arm?

Unilateral Strength Transfer1 min readUpdated May 30, 2026

What the Evidence Shows

We analyzed one assertion on unilateral biceps curl training and found that when untrained young women performed curls with just one arm, that arm increased in strength while the other arm did not [1]. This suggests that strength gains from this type of training may be limited to the arm that...

Evidence from Studies

Supporting (0)
No supporting evidence found
Contradicting (0)
No contradicting evidence found
Primary Studies (1)

Small muscle mass exercise enhances muscular adaptations? Effects of unilateral and bilateral biceps curl on maximum strength and muscle size changes.

DOI: 10.1007/s00421-025-06033-4

Update History

Published
May 30, 2026·Last updated May 30, 2026
  • Invalid DateNew topic created from assertion

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