ArticleEuropean journal of applied physiology2026
Hamstring-to-quadriceps ratio across menstrual cycle phases in physically active women: a repeated-measures study.
Article in European journal of applied physiology, 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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Abstract
objectiveTo evaluate conventional hamstring-to-quadriceps ratio across the menstrual cycle in distinct angular velocities in an eumenorrheic, physically active population.
designRepeated measures within-subjects design.
methodsAssessments were conducted in early follicular, ovulatory, and mid-luteal phase in n = 30 eumenorrheic females (age 27.2 yrs ± 4.1; height 168.3 cm ± 5.6; body mass 64.7 kg ± 7.5; body fat 25.9% ± 4.4; fat free mass 47.0 kg ± 4.7, training hours 6.98 ± 3.01, cycle length 28.2 ± 2.9). Isokinetic concentric peak torque values of leg extension and leg flexion at 60°∙s
resultsHQ Ratio did not differ significantly across menstrual cycle phases at 60°∙s
conclusionStrength ratios of leg extensors and flexors do not seem to differ between cycle phases. Isokinetic peak torque values of knee extension and flexions seem to remain constant across distinct menstrual cycle phases. Results indicated that conventional isokinetic peak torque testing does not need to be scheduled according to the menstrual cycle.
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