Does Caffeine Supplementation Associated with Paralympic Powerlifting Training Interfere with Hemodynamic Indicators?

Exercise, including resistance exercise with high loads, has positive hemodynamic responses such as reduced systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), Pressure Product Rate (PPR), and estimated myocardial oxygen volume (MVO ). Caffeine (CA), used to improve perfo...

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Published in:Biology (Basel, Switzerland) Switzerland), 2022-12, Vol.11 (12), p.1843
Main Authors: Menezes, Jainara Lima, Aidar, Felipe J, Badicu, Georgian, Cataldi, Stefania, Carvutto, Roberto, Silva, Ana Filipa, Clemente, Filipe Manuel, Cerulli, Claudia, de Jesus, Joseane Barbosa, Vieira-Souza, Lucio Marques, Tranchita, Eliana, Brito, Ciro José, Fischetti, Francesco, Greco, Gianpiero
Format: Article
Language:English
Subjects:
Amputation
Athletes
Blood pressure
Caffeine
Exercise
Heart rate
Hemodynamics
Hypertension
Load
Nervous system
nutritional supplementation
paralympic powerlifting
Physical fitness
Physical training
Research ethics
resistance training
Spinal cord
Supplements
Weightlifting
Women
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Summary:Exercise, including resistance exercise with high loads, has positive hemodynamic responses such as reduced systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), Pressure Product Rate (PPR), and estimated myocardial oxygen volume (MVO ). Caffeine (CA), used to improve performance, tends to interfere with BP and HR. This study aimed to analyze the effects of CA supplementation on hemodynamic indicators in Paralympic weightlifting (PP). The exercise was performed on 14 male athletes (32.4 ± 8.5 years; 81.7 ± 21.9 kg) for three weeks. Two conditions were evaluated: supplementation with CA Anhydrous 9 mg/kg and with placebo (PL). The adapted bench press was used, with 5 × 5 at 80% 1RM. We evaluated BP, HR, PPR, and MVO , before, after, 5, 10, 20, 30, 40, 50, 60 min, and 24 h later. The CA presented higher absolute values in the pressure indicators than the PL, and after 24 h there was an inversion. The HR was higher in the CA and showed a reduction after 10 min. The PPR and MVO in the CA presented absolute values greater than the PL, and 24 h later there was an inversion. There was no hypotensive effect, but the use of CA did not present risks related to PPR and MVO , demonstrating the safe use of this supplement in adapted strength sports.
ISSN:2079-7737
2079-7737
DOI:10.3390/biology11121843