THE INFLUENCE OF DIFFERENT VALUES OF ADDITIONAL RESPIRATORY RESISTANCE ON AEROBIC ENDURANCE

DOI:10.22138/2500-0918-2024-21-1-50-61

Yu.Yu. Byalovsky, I.S. Rakitina

Ryazan State Medical University named after Academician I.P. Pavlov of the Ministry of Health of the Russian Federation, Ryazan, Russian Federation

Abstract.
Research on the effects of respiratory muscle training using supplemental respiratory resistance (ARR) on physical performance is controversial. The aim of the study was to examine the effects of respiratory muscle training using ARR on maximal aerobic performance and submaximal exercise capacity in young adults with good physical fitness. Methodology. 30 young males (mean age 21.3±2.2 years) were selected and randomly assigned to high intensity ARR (80%Pmmax, 9 people), low intensity ARR (20%Pmmax, 10 people) and control group (11 people). In the high-intensity ARR group, ARR of 80% of maximum inspiratory pressure (80%Pmmax) was used for training. In the low intensity ARR group, 20%Pmmax was used. The formed groups trained 6 breaths per set, 4 sets per day for 6 weeks. Aerobic exercise capacity measures included maximal and submaximal aerobic endurance measured as maximum oxygen uptake (VO2max) and six-minute walk distance (6MWD). Results: 6 weeks of ARR training showed an increase in Pmmax, VO2max and 6MWD only in the 80%Pmmax group. VO2max increases significantly in the 80%Pmmax group, ranging from 43.0 (40.5–45.0) ml/kg/min pre-exercise to 53.0 (46.0–63.0) ml/kg/min post-exercise (p<0.05). 6MWD in the 80%Pmmax group improves from 792.0 (737.5–818.0) pre-training to 862.0 (798.5–953.5) m post-training (p<0.05). There were no significant differences in Pmmax, VO2max and 6MWD between the 20%Pmmax group and the control group during the 6-week training. Conclusion: 6 weeks of training at 80%Pmmax ARR increases Pmmax, maximal and submaximal exercise endurance, while training at 20%Pmmax ARR did not reveal such effects. Thus, training at 80%Pmmax improves aerobic endurance in young adults.

Keywords:
additional respiratory resistance, maximum aerobic performance, submaximal exercise endurance

There is no conflict of interest.
Contact details of the corresponding author:
Yury. Yu. Byalovsky
b_uu@mail.ru
Received 08.01.2024
For citation:
Byalovsky Yu.Yu., Rakitina I.S. The influence of different values of additional respiratory resistance on aerobic endurance. [Online] Vestn. Ural. Med. Akad. Nauki. = Journal of Ural Medical Academic Science. 2024, Vol. 21, no. 1, pp. 50–61. DOI:10.22138/2500-0918-2024-21-1-50-61 (In Russ)

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Authors
Yury. Yu. Byalovsky
Prof., Dr. Sc. Med., Head of the Department of Pathophysiology
ORCID: https://orcid org/0000-0002-6769-8277
eLibrary SPIN: 6389-6643
b_uu@mail.ru

Irina S. Rakitina
PhD Med, Assoc. Prof. of the Department of Pathophysiology
ORCID: https://orcid org/0000-0002-9406-1765
eLibrary SPIN: 8427-9471
rakitina62@gmail.com

Ryazan Statе Mеdical Univеrsity
Ryazan, Russian Federation