UDC

612.217-055.1-056.22:[616-071.2+572.51]

DOI

10.37482/2687-1491-Z272

Authors

Marina A. Sidorova* ORCID: https://orcid.org/0009-0007-3526-4953
Igor V. Miroshnichenko* ORCID: https://orcid.org/0000-0002-7934-8784
Konstantin M. Ivanov* ORCID: https://orcid.org/0000-0002-7614-337X

*Orenburg State Medical University
(Orenburg, Russia)

Corresponding author: Marina Sidorova, address: ul. Sovetskaya 6, Orenburg, 460000, Russia; e-mail: sidorova_marina2022@mail.ru

Abstract

Each somatotype assumes a specific development of skeletal muscles, including respiratory muscles (RMs). The scientific literature lacks data on the specifics of RM strength in different somatotypes. The purpose of this study was to measure inspiratory and expiratory muscle strength as well as establish the relationships between anthropometric parameters and RM strength in healthy young men with different somatotypes. Materials and methods. Maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), anthropometric parameters, caliperometry and hand dynamometry were determined in 63 healthy men aged 20–23 years. The subjects were divided into 4 groups based on the somatotype (Galant–Chtetsov–Nikityuk classification): muscular (n = 29), thoracic (n = 17), abdominal (n = 7) and unspecified (n = 10). The relationships between the parameters were established using Spearman’s correlation analysis. Results. The median values of RM strength in all subjects were as follows: MIP – 96 [84; 112] cmH2O and MEP – 120 [105; 131] cmH2O. Among men with high MIP, the muscular somatotype was predominant (66 %), while the thoracic somatotype was found in 15 %, abdominal in 13 % and unspecified in 6 % of cases. In the subjects with high MEP, the muscular somatotype prevailed (62 %), the thoracic somatotype was present in 26 %, while abdominal and unspecified in 6 % of men each. At low MIP, the thoracic somatotype prevailed (41 %), while the muscular somatotype was observed in 28 %, abdominal in 10 % and unspecified in 21% of cases. At low MEP, the muscular somatotype was dominant (34 %), the thoracic somatotype was present in 30 %, abdominal in 16 % and unspecified in 20 % of subjects. In individuals with high MIP, statistically significant direct correlations were found between MIP and hand strength and between MEP and hand strength. The most pronounced anthropometric differences were observed in chest parameters between men with high and low MIP.

Keywords

somatotype, respiratory muscle strength, anthropometry, caliperometry, hand dynamometry, healthy young men

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