Enhanced splenic volume and contraction in elite endurance athletes
Pontus Holmström, Øyvind Karlsson, Hampus Lindblom, Kerry McGawley, Erika Schagatay
Abstract
This study demonstrates that elite biathletes have larger splenic volume, apnea-induced splenic contraction, and Hb elevation compared with untrained individuals, which is likely functional to cope with high O 2 demands and substantial O 2 deficits. We believe that enhanced splenic contraction may be of importance during competitions involving cross-country skiing, to regulate circulating Hb and enhance O 2 -carrying capacity, which may protect [Formula: see text] and increase O 2 uptake.
Topics & Concepts
AthletesElite athletesContraction (grammar)MedicinePlasma volumeInternal medicineCardiologyPhysical therapyMuscle metabolism and nutritionHigh Altitude and HypoxiaSports Performance and Training