CARDIOVASCULAR AND BIOCHEMICAL PARAMETERS OF YOUNG MALES OF DIFFERENT SOMATOTYPES AT DIFFERENT STAGES OF TREADMILL TESTING
Abstract
Aim. To evaluate biochemical parameters, heart rate, and blood pressure in young males of different somatotypes before, at fatigue, and after a 10-minute rest period after a submaximal treadmill exercise. Materials and methods. The study involved 19 healthy males aged 19–23 who performed the treadmill test to fatigue. Capillary blood samples were obtained in a 15-second pause between the test stages; venous blood was collected at rest and after a 10-minute rest period after intermittent exercise to fatigue. Results. Lactate and glucose levels in capillary blood samples at different stages showed that glycolysis significantly contributed to muscular performance in mesoendomorphs. Ectomorphs demonstrated
a more pronounced trend toward greater performance against lesser weight loss, smaller post-exercise heart rate changes, and the absence of significant changes in blood biochemistry after exercise to fatigue. Therefore, this somatotype was considered more tolerant of cyclic exercise. Conclusion. Based on the data on key biochemical and functional parameters, ectomorphs have better resistance to cyclic exercise compared to mesoendomorphs, who are characterized by a greater contribution of glycolysis to muscular performance.
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