AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Authors: CREŢU AURICA, ZĂGREAN ELEONORA, RUS VIRGIL, CREŢU DENISA-IOANA.
The metabolism during physical exercise changes depending on the nature of the effort in various sports, duration, intensity, environmental conditions, etc. Carbohydrates in the form of glucose and intramuscular glycogen becomes an increasingly important energy substrate during physical activity, with the muscle contraction being triggered by ATP (adenosine triphosphate). The biochemical processes that occur during muscle contraction are very complex. Degradation of glycogen to lactic acid and oxidative degradation of glycogen to carbon dioxide and water have no other role during muscle contraction but to obtain molecules of ATP. The modifications of certain biochemical parameters such as blood sugar levels depend on the exercise intensity and they, in turn, influence the speed of metabolic changes in the working capacity of the body.
Key words: carbohydrates, ATP, physical effort
