ArticleEuropean journal of applied physiology2025
The independent effects of age and sex in performance fatigability profile after a ramp incremental cycling test.
Article in European journal of applied physiology, 2025. 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
purposeTo investigate the effects of age and sex in performance fatigability profile after a ramp incremental (RI) test.
methodsOlder females (n = 13; 66 ± 5 yrs) and males (n = 13; 68 ± 4 yrs), and young females (n = 11; 25 ± 5 yrs) and males (n = 12; 25 ± 4 yrs) performed a RI test immediately preceded and followed by performance fatigability assessments that included: knee-extension isometric maximal voluntary contraction (IMVC) and femoral nerve electrical stimuli during and after the IMVC to calculate voluntary activation (VA) and contractile function (e.g., potentiated doublets at 10 and 100 Hz, and single twitches). Maximal oxygen uptake (V̇O
resultsYoung females and males showed greater V̇O
conclusionContractile function was more impaired in young than older participants, whereas males showed greater decline in VA than females. There was no combined effect of age and sex in performance fatigability responses.
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