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- Title
The Salivary Concentration of Chemical Elements in Response to Training Loads in Brazilian Jiu-Jitsu Athletes.
- Authors
Campos Zeffa, Aline; Campos, Flavia; Magnani Branco, Braulio Henrique; Vidal Andreato, Leonardo; Casanova Andrello, Avacir; de Paula Ramos, Solange
- Abstract
The saliva analysis by Total Reflection X-Ray Fluorescence (TXRF) for monitoring training loads could be useful due to the ease of sample analysis and a large range of chemical elements can be detected. Twelve BJJ athletes were submitted to 7 weeks of training scheduled with high training loads (weeks 1 to 4) and tapering (weeks 5 to 7). Saliva samples were collected before (Pre), at week 4, and at week 8 (Post), to quantify chemical element concentrations by TXRF. The internal training load was monitored using the session rating of perceived exertion of session (RPE) method for physical and technical-tactical training sessions. All the saliva samples presented Phosphorus (P), Sulfur (S), Chlorine (Cl), Potassium (K), Calcium (Ca), Zinc (Zn), Bromine (Br), and Rubidium (Rb) at Pre, 4 weeks and Post time points. Salivary concentrations of Cl, K, Manganese (Mn), Copper (Cu), Br, and Rb significantly decreased in 4 weeks (p<0.05); and K, Cu, and Rb concentration remained at low levels at Post (p<0.05). Medium to large Cohen's effect sizes for decrements in element concentrations from Pre to 4 weeks was observed for all the elements except Zn. Reduced S concentration at 4 weeks was negatively correlated to high training load period (r=-0.56, p=0.05). The results suggest that BJJ training modulates salivary electrolyte composition and salivary P, S and Rb are correlated with training loads in BJJ athletes.
- Subjects
BRAZIL; SALIVA analysis; MARTIAL arts; BIOMARKERS; STATISTICS; ANALYSIS of variance; ATHLETES; PHYSICAL training &; conditioning; EXERCISE intensity; DESCRIPTIVE statistics; DATA analysis software; DATA analysis
- Publication
Journal of Health Sciences (2447-8938), 2021, Vol 23, Issue 3, p199
- ISSN
2447-8938
- Publication type
Article
- DOI
10.17921/2447-8938.2021v22n3p199-207