Utility of the “RMSSD-Slope” to Assess the Internal Load in Different Sports Situations

Ruso-Álvarez, José Francisco; Nieto-Jiménez, Claudio; Muñoz-López, Alejandro; Orellana, José Naranjo

doi:10.4236/health.2019.116057

Cited by 2 publications

(3 citation statements)

References 17 publications

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“…With RMSSD being a measurement of parasympathetic activation [ 84 ], besides the fact that the BJ group accumulated a greater total number of repetitions [ 52 ] and achieved a significantly higher HR than the placebo group, it could explain the reduced RMSSD during exercise in this group. Anyway, there were no differences between groups in post-exercise RMSSD, and the BJ group showed an increase in RMSSD-Slope between groups, which would mean a decrease in the internal training load in the BJ group [ 32 , 37 ]. A possible explanation for this could be the effect of NO on the autonomous nervous system, which could inhibit the sympathetic activity while increasing the vagal outflow [ 85 , 86 ] and thus enhance the recovery after exercise.…”

Section: Discussionmentioning

confidence: 99%

“…Using HRV, certain data obtained in his measurement, such as the Root Mean Square of the Successive Differences between adjacent RR intervals (RMSSD), could be one of the best reliable measures of parasympathetic activity. A measurement in a short period of time is sufficient [ 37 ]. In this way, Naranjo Orellana et al have determined the measure of internal load based on the recovery of the RMSSD-Slope on 30 min post-exercise to monitor the effect of workloads and fatigue caused by exercise [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

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Beetroot Juice Produces Changes in Heart Rate Variability and Reduces Internal Load during Resistance Training in Men: A Randomized Double-Blind Crossover

et al. 2022

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Beetroot juice (BJ) has been used as a sport supplement, improving performance in resistance training (RT). However, its effect on the modulation of the autonomic nervous system has not yet been widely studied. Therefore, the objective of this randomized double-blind crossover study was to assess the effect of acute BJ supplementation compared to placebo in blood pressure (BP), heart rate (HR), heart rate variability (HRV) and internal load during RT measure as Root Mean Square of the Successive Differences between adjacent RR intervals Slope (RMSSD and RMSSD-Slope, respectively). Eleven men performed an incremental RT test (three sets at 60%, 70% and 80% of their repetition maximum) composed by back squat and bench press with. HR, HRV and RMSSD-Slope were measured during and post exercise. As the main results, RMSSD during exercise decrease in the BJ group compared to placebo (p = 0.023; ES = 0.999), there were no differences in RMSSD post-exercise, and there were differences in RMSSD-Slope between groups in favor of the BJ group (p = 0.025; ES = 1.104) with a lower internal load. In conclusion, BJ supplementation seems to be a valuable tool for the reduction in the internal load of exercise during RT measured as RMSSD-Slope while enhancing performance.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Beetroot Juice Produces Changes in Heart Rate Variability and Reduces Internal Load during Resistance Training in Men: A Randomized Double-Blind Crossover

et al. 2022

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“…En 2019 Naranjo et al, diseñaron un estudio en el que se propone el uso de la pendiente de recuperación de la RMSSD (RMSSD-slope) en los primeros 30 minutos posteriores a la actividad como indicador de carga interna. Para comprobar la utilidad de esta medida, posteriormente se realizaron mediciones retrospectivas de RMSSD-Slope en diferentes deportistas y en diferentes situaciones entre las que se encuentran algunos jugadores de bádminton (Ruso-Álvarez et al, 2019).…”

Section: Introductionunclassified

Utilidad de la RMSSD-Slope para cuantificación de carga interna de entrenamiento en jugadores élite de bádminton. Estudio de caso (Utility of the RMSSD-Slope for internal training load quantification in elite badminton players. Case study)

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El objetivo de este estudio de caso fue verificar la utilidad de la pendiente de la raíz cuadrada de la media de las diferencias de la suma de los cuadrados entre intervalos RR adyacentes (RMSSD-Slope) como indicador individual de carga interna de entrenamiento en dos jugadores de Bádminton élite (un hombre y una mujer) durante 10 y 13 sesiones de entrenamiento respectivamente. Se realizaron registros de variabilidad de la frecuencia cardiaca durante cinco minutos antes y después de las sesiones de entrenamiento para calcular la RMSSD-Slope como indicador de carga interna, además de la escala de Borg. Se calculó el índice de estrés (SS) como indicador de actividad simpática, la RMSSD de actividad parasimpática y la relación entre ambos sistemas (Ratio S/PS). Los coeficientes de variación observados en los registros en reposo indican una alta variabilidad de las mediciones de cada día, lo que podría indicar las diferentes respuestas a las cargas de trabajo realizadas. No se encontró una relación lineal entre la RMSSD-Slope, RMSSD5, SS o variables de entrenamiento (volumen, intensidad y carga total de entrenamiento), sin embargo, se observó una correlación inversa entre la escala de Borg y la RMSSD-Slope. En conclusión, los resultados fundamentan el uso de la RMSSD-Slope y el SS como indicadores de la carga interna de entrenamiento que reflejan la respuesta individual de los atletas al estímulo. La utilización de la RMSSD-Slope podría ser un método práctico, no invasivo y de manejo sencillo que puede ser utilizado por los preparadores físicos y entrenadores. Abstract: The objective of this case study was to verify the utility of the slope of the mean of the differences in the sum of squares between adjacent RR intervals (RMSSD-Slope) as an individual indicator of internal training load in two elite badminton players (a man and a woman) during 10 and 13 training sessions respectively. Heart rate variability records were made for five minutes before and after training sessions to calculate RMSSD-Slope as internal load indicator, as well as the Borg scale. The Stress Score (SS) was calculated as an indicator of sympathetic activity, RMSSD of parasympathetic activity and the relationship between the two systems (Ratio S/PS). The coefficients of variation observed in the resting records indicate a high day-to-day measurement variability, which could indicate different responses to the workloads performed. Linear relationship was not found between the RMSSD-Slope and RMSSD5, SS or training variables (volume, intensity and total training load). Nevertheless, inverse correlation was observed between Borg scale and RMSSD-Slope. In conclusion, the case study results support the use of the RMSSD-Slope and the SS as indicators of the internal training load reflecting athletes’ individual response to the stimulus. The use of the RMSSD-Slope could be a practical, non-invasive and easy-to-use method that can be used by physical trainers and trainers.

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Utility of the “RMSSD-Slope” to Assess the Internal Load in Different Sports Situations

Cited by 2 publications

References 17 publications

Beetroot Juice Produces Changes in Heart Rate Variability and Reduces Internal Load during Resistance Training in Men: A Randomized Double-Blind Crossover

Beetroot Juice Produces Changes in Heart Rate Variability and Reduces Internal Load during Resistance Training in Men: A Randomized Double-Blind Crossover

Utilidad de la RMSSD-Slope para cuantificación de carga interna de entrenamiento en jugadores élite de bádminton. Estudio de caso (Utility of the RMSSD-Slope for internal training load quantification in elite badminton players. Case study)

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