1887

n International SportMed Journal - Changes in biochemical parameters after a 20-hour ultra-endurance kayak and cycling event : original research article

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Abstract

Numerous studies have analyzed changes in biochemical blood parameters in ultra-endurance events but never in a kayak and cycling ultra-endurance event. The objective of this study was to analyze blood biochemistry changes in creatine kinase, urea, triglycerides, haemoglobin, creatinine, creatinine clearance and lactate in a 20-hour ultra-endurance kayak and cycling event. Descriptive field study. The parameters of creatine kinase, urea, triglycerides, haemoglobin, creatinine, creatinine clearance and lactate were measured in 16 subjects (mean ±SD age 28.0±3.4 years; height 176.0±5.5cm; body mass 71.8±9.2kg) who participated in an ultra-endurance event before, and at the end of the race, in which they covered 100km in a kayak and 65km on a mountain bike. Significant changes were observed (p<0.05) between the pre- and post race samples in the variables: creatine kinase and urea, but not between those of haemoglobin, creatinine, creatinine clearance, triglycerides and lactate. A 20-hour kayak and cycling race caused an increase in protein catabolism and muscle breakdown, but did not affect the subjects' renal function.

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/content/ismj/12/1/EJC48407
2011-03-01
2016-12-06
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