Does barbell shape affect biceps activation during lifting?

Barbell Shape & Biceps Activation1 min readUpdated May 30, 2026

What the Evidence Shows

We analyzed the available evidence on whether barbell shape affects biceps activation during lifting, and what we’ve found so far is limited but consistent. One assertion, supported by 37.0 studies or observations, suggests that when lifting with straight arms, a straight barbell may lead to...

Evidence from Studies

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

Bilateral Biceps Curl Shows Distinct Biceps Brachii and Anterior Deltoid Excitation Comparing Straight vs. EZ Barbell Coupled with Arms Flexion/No-Flexion

DOI: 10.3390/jfmk8010013

Update History

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

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