ArticleSports (Basel, Switzerland)2026
Blood Volume and Haemoglobin Mass in Relation to Fat-Free Mass and Aerobic Capacity in Elite Junior Rowers.
Article in Sports (Basel, Switzerland), 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
backgroundBlood volume (BV), haemoglobin mass (Hb-mass) are key determinants of blood oxygen transport. The aim of this study was to assess BV and Hb-mass in elite junior rowers and evaluate their relationship with fat-free mass (FFM) and aerobic capacity.
methodsTwenty-five males (18.4 ± 2.4 y, 1.92 ± 0.5 m, 89.3 ± 4.7 kg) and fourteen females (17.0 ± 1.9 y, 1.77 ± 0.7 m, 74.2 ± 11.3 kg) participated. BV, plasma volume (PV), and Hb-mass were assessed via CO rebreathing. Pulmonary gas exchange was measured during a graded rowing test.
resultsMales had higher absolute BV (7270 ± 717 vs. 5388 ± 471 mL) and Hb-mass (1083 ± 91 vs. 720 ± 49 g). After adjusting for FFM, most differences disappeared, except PV, which remained higher in females (57.2 ± 4.8 vs. 49.9 ± 6.5 mL·FFM·kg
conclusionsSex differences in blood parameters among junior rowers are largely explained by FFM, except for PV, which is relatively higher in females. Stronger associations between blood variables and aerobic capacity in females suggest greater reliance on central oxygen transport.
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