The article studies the impact of one-time physical activity of varying intensity on the secretory activity of neutrophils and monocytes in the blood of athletes of different sports specialization. Found that a single physical load average and peak levels experienced by athletes involved in aerobics, football and ran middle distance, cause a similar decrease in the expression of the secretory activity of neutrophils and monocytes in the blood, which is a decrease in the secretion of IL-1β, IL-6, IL-8, TNF-α and αIFN. Single physical loads threshold adverse effect on the functional activity of neutrophils and monocytes in athletes of different specialization do not have.
Results: HI loading increased BMD, bone volume fraction, trabecular thickness, trabecular number and decreased trabecular spacing right after loading (11 w.o.). At the end of the detraining period (52 w.o.), all trabecular bone benefits gained from HI loadings were maintained, except BMD. Moreover, cortical bone area, periosteal perimeter and moment of inertia were enhanced at the end of puberty due to HI loading and remained till the end of 52 nd week. In terms of bone strength, HI loading increased ultimate force and stress as well as stiffness compared to the sham group.
Conclusion:Overall, our findings suggest that even though agerelated changes occurred in the bone microstructure, controlled high impact loading during adolescence benefitted both bone microstructure and biomechanics, which remained at adulthood.
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