Person: Abellán-Aynés, Oriol
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Abellán-Aynés
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Oriol
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Ciencias de la Salud
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0000-0002-6031-9027
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812984
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Publication Open Access Delayed effects of different velocity loss-based resistance training on autonomic regulation, sleep quality and muscle soreness(Termedia, 2024-12-06) Medellín Ruiz, Juan Pablo; Abellán-Aynés, Oriol; García, Diana P.; Martínez-Aranda, Luis Manuel; Ciencias de la Salud; Osasun ZientziakResistance training has been shown to be a stressor factor on the autonomic nervous system, and these changes can be detected by heart rate variability (HRV) analysis. The aim of the present study was to evaluate the delayed effects of velocity loss-based resistance training strategies on heart rate variability (HRV), the sleep quality index (SQI) and delayed onset muscle soreness (DOMS). Fourteen men performed daily recordings. After a baseline period of 14 days of no training, they performed one session per week of resistance training focused on lower body exercise (squats) based on movement velocity. Three resistance training sessions composed of four sets up to 10%, 20% and 40% of velocity loss were performed each week of the study. Statistically significant changes (p < 0.05) after 24 hours of training were found in DOMS, and HRV variables, specifically in RR intervals (RR), root mean square of successive differences of RR intervals (RMSSD), and the percentage of successive RR intervals that differed by more than 50 ms (pNN50), between 40% of velocity movement loss and the rest of conditions. We can conclude that greater losses of execution velocity may result in greater internal load stimuli according to the autonomic modulation measured by HRV. RR, RMSSD and pNN50 seem to be the most sensitive indicators of HRV to fatigue produced by resistance training. This research opens the door to the study of HRV behavior related to resistance training. New research possibilities are raised by measuring the effect of guiding resistance training by means of HRV behavior.Publication Open Access Fibromyalgia and sedentarism: which came first, the chicken or the egg?(MDPI, 2024) Quero-Calero, Carmen Daniela; Otero, Eduardo; Abellán-Aynés, Oriol; Ortega, Eduardo; Ciencias de la Salud; Osasun Zientziak; This research was partially funded by the Gobierno de Extremadura-Fondo Europeo de Desarrollo Regional, Spain (GR21079).Fibromyalgia is a chronic disease that causes widespread pain throughout the body, as well as fatigue and a variety of other accompanying symptoms. Physical activity is one of the most useful non-pharmacological treatments for pain and symptom reduction. Therefore, the main objective of this research was to analyse the objective levels of sedentary lifestyle and physical activity, as well as the study of heart rate variability as a predictor of health. A total of 21 women previously diagnosed with fibromyalgia (FM) and 10 healthy women of the same age range participated in the study. Accelerometry was used for the determination of physical activity and sedentary lifestyle as well as the study of heart rate variability (HRV) at rest for the assessment of cardiovascular health. The results show that participants with fibromyalgia have higher levels of sedentary lifestyles and worse cardiovascular health outcomes compared to healthy participants not diagnosed with fibromyalgia. In conclusion, it is observed that the analysis of heart rate variability is a good predictor for the determination of cardiovascular health in patients diagnosed with fibromyalgia. A debate is open to whether sedentary lifestyles and being overweight accentuate the fibromyalgia disease or whether it is the disease itself that favors increased physical inactivity, reflected in inferior cardiovascular health. Future research is needed to deepen this analysis in order to improve the quality of life of these patients.Publication Open Access Stroke steadiness as a determinant factor of performance in 100 m freestyle in young swimmers(MDPI, 2023) López-Plaza, Daniel; Quero-Calero, Carmen Daniela; Alacid, Fernando; Abellán-Aynés, Oriol; Ciencias de la Salud; Osasun ZientziakThe classical kinematic variables in swimming are based on the calculation of mean values. Stroke steadiness determines the relationship between the duration of all consecutive strokes throughout a test. The aims of the current investigation were to examine differences in stroke-to-stroke steadiness according to swimmers’ performance level on both body sides (breathing and non-breathing) and to analyse the interrelationship with kinematics during a 100 m front-crawl test. Thirty-two young, experienced swimmers voluntarily participated in the present study and were divided into two groups, national level (n = 15) and local level (n = 17), according to their competitive status within the national age-rankings. All participants performed a 100 m maximal test in a 50 m pool where they were laterally recorded. Kinematic variables such as mean velocity, stroke rate, stroke length, and stroke index, as well as long-term steadiness and short-term steadiness, were calculated. The two 50 m sections were analysed independently. Significant differences were observed between the two groups in the classical kinematic variables and in stroke steadiness (p < 0.05). In addition, stroke steadiness showed moderately high correlations with velocity (r = [−0.61–(−0.749)]) and stroke index (r = [−0.356–(−0.582)]). Maintaining a more stable inter-stroke period appears to be a determinant of performance in young, high-level national swimmers.