Evidence map›Paper›PMID 42267256›Full record

ArticleFrontiers in sports and active living2026

Interlimb strength asymmetry is task-specific: moderate reliability but inconsistent limb dominance in multi-joint dynamometry.

Manfred Zöger, Alfred Nimmerichter, Arnold Baca, Klaus Wirth

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Article in Frontiers in sports and active living, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Manfred ZögerTraining and Sports Sciences, University of Applied Sciences Wiener Neustadt, Wiener Neustadt, Austria.
Alfred NimmerichterTraining and Sports Sciences, University of Applied Sciences Wiener Neustadt, Wiener Neustadt, Austria.
Arnold BacaCentre for Sport Science and University Sports, University of Vienna, Wien, Austria.
Klaus WirthTraining and Sports Sciences, University of Applied Sciences Wiener Neustadt, Wiener Neustadt, Austria.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Interlimb strength asymmetry is widely used in sports medicine and performance diagnostics, yet the reliability of asymmetry measures in multi-joint dynamometry, their velocity specificity, and the consistency of limb dominance remain unclear. This study examined the test-retest reliability of interlimb strength asymmetry derived from unilateral multi-joint isometric and isokinetic dynamometry and investigated whether limb dominance remains consistent across different knee angles and contraction velocities in recreationally active adults. Methods: Twenty-five recreationally active adults, engaging in 150-300 min of moderate-to-vigorous physical activity per week and full-body resistance training without participation in elite-level sports, performed unilateral leg press assessments at two isometric knee angles (100° and 140°) and two isokinetic velocities (30 and 600 mm·s⁻¹) in two separate sessions. Interlimb strength asymmetry was calculated from peak force. Directional asymmetry was determined by assigning a positive or negative sign to represent right- or left-leg dominance, respectively. Systematic differences between sessions were evaluated using paired-sample t-test. Reliability was assessed using single-measure intraclass correlation coefficients (ICC), standard error of measurement (SEM), minimum detectable change (MDC), kappa coefficients, and Bland-Altman analysis. Results: No significant systematic differences between sessions were detected ( Conclusions: These findings suggest that interlimb strength asymmetry in multi-joint dynamometry is task-specific, exhibiting considerable individual variability and limited stability of dominance. As measurement error frequently approached or exceeded commonly cited clinical thresholds (e.g., 10%-15%), practitioners should interpret asymmetry values cautiously and avoid relying on universal cutoffs for return-to-sport or performance decision-making.

Indexed as

isokinetic leg pressisometric leg presslimb dominancelower-limb strength asymmetrymulti-Joint dynamometrytest-retest reliability

Identifiers

PMID42267256
PMCPMC13243393

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