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Article

Respiratory Muscle Strength in Brazilian Adolescents: Impact of Body Composition

by
Viviane Campos de Lima
1,
Marcelo Luis Marquezi
1,2,
Paulo Roberto Alcantara
1,
Nayara Barbosa Lopes
1,3,
Caroline Santana Frientes
1,2,
Thais Miriã da Silva Santos
1,3,
Leonardo Ribeiro Miedes
1,3,
Matheus Silva Fornel
1,
Danielle Castro Oliveira
1,
Patrícia Soares Rogeri
2,
Antônio Herbert Lancha Junior
2,
Nathalia Bernardes
1,3 and
Juliana Monique Lino Aparecido
1,2,*
1
Laboratory of Physical Education Research (LAPEF), University City of Sao Paulo (UNICID), Sao Paulo 05508-030, Brazil
2
Laboratory of Clinical Investigation: Experimental Surgery (LIM 26), Clinic’s Hospital of Medical School, University of Sao Paulo, Sao Paulo 05508-030, Brazil
3
Human Movement Laboratory (LMH), University San Judas Tadeu (USJT), Sao Paulo 03166-000, Brazil
*
Author to whom correspondence should be addressed.
Obesities 2023, 3(2), 155-164; https://doi.org/10.3390/obesities3020013
Submission received: 27 February 2023 / Revised: 23 April 2023 / Accepted: 12 May 2023 / Published: 15 May 2023
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Abstract

(1) Introduction: Studies on respiratory muscle strength (RMS) in adolescents are controversial. Few studies so far have investigated respiratory muscle strength in Brazilian adolescents and the impact of body composition on it. (2) Objective: to evaluate the respiratory muscle strength of Brazilian adolescents and compare this with nationally and internationally predicted normality values. (3) Method: A cross-sectional study (CAEE: 34634414.5.0000.5479) was carried out with 98 adolescents, where both sexes were divided into four groups: eutrophic (n = 44); overweight (n = 15), obese (n = 25), and severely obese (n = 14). All were submitted to an anthropometric assessment, body composition analysis and manovacuometry. To interpret the results, Analysis of Variance (ANOVA) with Turkey’s post hoc test was used. The Kruskal–Wallis test and Friedman’s post hoc test were used to compare the observed vs. proposed results. A p-value < 0.05 was considered statistically significant. (4) Results: There were no differences among the groups for maximal inspiratory (MIP) and expiratory (MEP) pressures. However, when considering the total sample, we could say that RMS was higher among boys, and there were no significant differences in RMS in relation to the maturational stage. The values obtained for MIP were lower than those suggested for the national equation and higher than those proposed for the international equation. Similarly, the values obtained for MEP were lower than those suggested for the national and international equation. (5) Conclusions: RMS was similar in adolescents with different body compositions and different maturation stages. Adiposity did not interfere with RMS in adolescents. Boys had higher MIP and MEP values compared to girls. Therefore, the reference values proposed by the equations do not consistently match RMS in the adolescents studied. This context reinforces the need for new studies that are related to RMS to establish normality values and propose equations that represent the youth population.
Keywords: obesity; adolescent; reference values; respiratory muscle strength obesity; adolescent; reference values; respiratory muscle strength

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MDPI and ACS Style

de Lima, V.C.; Marquezi, M.L.; Alcantara, P.R.; Lopes, N.B.; Frientes, C.S.; da Silva Santos, T.M.; Miedes, L.R.; Fornel, M.S.; Oliveira, D.C.; Rogeri, P.S.; et al. Respiratory Muscle Strength in Brazilian Adolescents: Impact of Body Composition. Obesities 2023, 3, 155-164. https://doi.org/10.3390/obesities3020013

AMA Style

de Lima VC, Marquezi ML, Alcantara PR, Lopes NB, Frientes CS, da Silva Santos TM, Miedes LR, Fornel MS, Oliveira DC, Rogeri PS, et al. Respiratory Muscle Strength in Brazilian Adolescents: Impact of Body Composition. Obesities. 2023; 3(2):155-164. https://doi.org/10.3390/obesities3020013

Chicago/Turabian Style

de Lima, Viviane Campos, Marcelo Luis Marquezi, Paulo Roberto Alcantara, Nayara Barbosa Lopes, Caroline Santana Frientes, Thais Miriã da Silva Santos, Leonardo Ribeiro Miedes, Matheus Silva Fornel, Danielle Castro Oliveira, Patrícia Soares Rogeri, and et al. 2023. "Respiratory Muscle Strength in Brazilian Adolescents: Impact of Body Composition" Obesities 3, no. 2: 155-164. https://doi.org/10.3390/obesities3020013

APA Style

de Lima, V. C., Marquezi, M. L., Alcantara, P. R., Lopes, N. B., Frientes, C. S., da Silva Santos, T. M., Miedes, L. R., Fornel, M. S., Oliveira, D. C., Rogeri, P. S., Lancha Junior, A. H., Bernardes, N., & Lino Aparecido, J. M. (2023). Respiratory Muscle Strength in Brazilian Adolescents: Impact of Body Composition. Obesities, 3(2), 155-164. https://doi.org/10.3390/obesities3020013

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