Efectos de la práctica de yoga (pranayamas) sobre la función pulmonar y cinética del lactato en adultos sedentarios de altitud intermedia

Publicado

2017-07-01

Effects of yoga (pranayama) on lung function and lactate kinetics in sedentary adults at intermediate altitude

Efectos de la práctica de yoga (pranayamas) sobre la función pulmonar y cinética del lactato en adultos sedentarios de altitud intermedia

Palabras clave:

Yoga, Lactic Acid, Spirometry, Altitude, Sedentary Lifestyle (en)
Yoga, Ácido láctico, Espirometría, Altitud, Estilo de vida sedentario (es)

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Autores/as

William Fernando Benavides-Pinzón Servicio Nacional de Aprendizaje (SENA) - Physical Activity and Culture Training Center - Laboratory of Physiology - Bogotá D.C.- Colombia.
José Luis Torres Servicio Nacional de Aprendizaje (SENA) - Physical Activity and Culture Training Center - Laboratory of Physiology - Bogotá D.C.- Colombia.

Resumen (en)
Resumen (es)

Introduction: Clinical evidence-based medicine has found increasing benefits of yoga.

Objective: To describe the effects on lung function assessed by rest spirometry —vital forced capacity (VFC), forced expiratory volume in one second (FEV1), and FEV1/VFC ratio— in a group of apparently healthy adults, as well as to explore the effects of pranayama techniques in lactate kinetics.

Materials and methods: Quasi-experimental study performed in sedentary adults with no prior experience in yoga practice, who received a stimulus during 12 weeks with a minimum frequency of two sessions per week. They were divided into a yoga group (YG) and a control group (CG). Body composition, blood pressure, heart rate, double product (DP), peripheral oxygen saturation (SpO2), blood lactate (Lacts), hematocrit (Htc) by micromethod, and spirometry were determined before and after a training plan with Pranayama. The variables analyzed were forced vital capacity (FVC), forced expiratory volume in one second (FEV1) and FEV1/FVC ratio.

Results: Significant differences were found in FVC, FEV1 and lactate among YG and CG (p<0.05), and before and after the stimulus in the YG (p<0.05). The double product improved in both groups.

Conclusions: Targeted practice of pranayama for 12 weeks improved FVC, FEV1, double product (p <0.05) and lactate production capacity (anaerobic capacity).

Introducción. La medicina basada en evidencia clínica encuentra cada vez más beneficios del yoga en sus practicantes.

Objetivo. Describir los efectos en la función pulmonar y la cinética del lactato ocasionados por la práctica de pranayamas en adultos con apariencia saludable.

Materiales y métodos. Se realizó un estudio cuasiexperimental en adultos sedentarios sin experiencia en la práctica de yoga, quienes realizaron un estímulo durante 12 semanas con un frecuencia mínima de dos sesiones por semana. Se dividieron en un grupo de yoga (GY) y un grupo de control (GC). Se determinó composición corporal, presión arterial, frecuencia cardíaca, doble producto (DP), saturación periférica de oxígeno (SpO2), lactato en sangre (Lacts), hematocrito (Htc) por micrométodo, y espirometría previa y posterior a un plan de entrenamiento con pranayamas. Las variables analizadas fueron: capacidad vital forzada (CVF), volumen espiratorio forzado del primer segundo (VEF1) y relación VEF1/CVF.

Resultados. Los resultados de la CVF, VEF1 y lactato presentaron diferencias significativas entre el GY y el GC (p<0.05), antes y después del estímulo en el GY (p<0.05). El doble producto mejoró en ambos grupos.

Conclusiones. La práctica dirigida de pranayamas durante 12 semanas mejoró la CVF, el VEF1, el doble producto (p<0.05) y la capacidad de producción de lactato (capacidad anaeróbica).

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