Avaliação do ângulo de penação do músculo gastrocnêmio medial em corredores de rua e não corredores

Lara Barros Cecílio Mendes; Carlos Henrique Fernandes; Paulo Santoro Bellangero; Benno Ejnisman; Moisés Cohen

doi:10.1055/s-0045-1804493

Revista Brasileira de Ortopedia, Inhaltsverzeichnis

CC BY 4.0 · Rev Bras Ortop (Sao Paulo) 2025; 60(01): s00451804493
DOI: 10.1055/s-0045-1804493

Artigo Original

Assessment of the Pennation Angle of the Medial Gastrocnemius Muscle in Road Runners and Non-runners

Artikel in mehreren Sprachen: português | English

Autor*innen

Lara Barros Cecílio Mendes

¹Disciplina de Medicina do Esporte e Atividade Física, Centro de Traumatologia do Esporte, Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil
Carlos Henrique Fernandes

²Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil
Paulo Santoro Bellangero

¹Disciplina de Medicina do Esporte e Atividade Física, Centro de Traumatologia do Esporte, Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil
Benno Ejnisman

²Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil
Moisés Cohen

²Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil

Abstract

Objective To evaluate the pennation angle (PA) of the medial gastrocnemius muscle (MGM) in orthostasis and bilateral maximum plantar flexion (BMPF) in road runners and non-runners.

Methods We assessed 31 runners and 31 non-runners from both genders between January and April 2019. We measured the MGM's PA on both sides by ultrasound during orthostasis and BMPF.

Results The groups were homogeneous regarding the dominant side, gender, and age. During orthostasis, the mean right-sided PA was 19.46° in runners and 22.5° in non-runners (p < 0.004). On the left side, the mean PA was 20.79° in runners and 22.83° in non-runners (p < 0.029). During BMPF, the right-side PA was 40.06° in runners and 40.89° in non-runners, and, on the left side, the mean PA was 40.01° in runners and 40.52° in non-runners. The MGM's PA of the right limb from male runners was statistically significantly higher in orthostasis (p < 0.029) and BMPF (p < 0.045). The correlation between MGM in orthostasis and BMPF in the leg in each group was statistically significant in the right lower limb of non-runners.

Conclusion Road runners presented a significantly lower MGM's PA than non-runners in orthostasis.

Keywords

motor activity - muscle contraction - muscle, skeletal - sedentary behavior - ultrasonography

Bibliographical Record
Lara Barros Cecílio Mendes, Carlos Henrique Fernandes, Paulo Santoro Bellangero, Benno Ejnisman, Moisés Cohen. Avaliação do ângulo de penação do músculo gastrocnêmio medial em corredores de rua e não corredores. Rev Bras Ortop (Sao Paulo) 2025; 60: s00451804493.
DOI: 10.1055/s-0045-1804493

Volltext

Referenzen

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