Influência da mudança na constante elástica da mola na atividade eletromiográfica de músculos do powerhouse e do ombro durante o exercício de long stretch

William  Dhein; Edgar Santiago  Wagner Neto; Danieli Sirlei de  Moraes; Jefferson Fagundes  Loss

doi:10.1590/1809-2950/e22015123pt

Authors

William Dhein Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil https://orcid.org/0000-0003-0692-0388
Edgar Santiago Wagner Neto Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil https://orcid.org/0000-0003-0555-1891
Danieli Sirlei de Moraes Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil https://orcid.org/0000-0003-3909-0018
Jefferson Fagundes Loss Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasi https://orcid.org/0000-0001-5948-6357

DOI:

https://doi.org/10.1590/1809-2950/e22015123pt

Keywords:

Pilates, Electromyography, Muscle Stretching, Exercises

Abstract

This study aimed to verify the effect of
the spring constant change on the electromyographic
activity of the powerhouse and shoulder muscles during
the long stretch exercise. In total, 15 Pilates practitioners
performed the Long Stretch exercise on the reformer
with three different spring constants: (1) k=0.19kg/cm
with 1 red spring; (2) k=0.27kg/cm with 1 red spring
and 1 yellow; and (3) k=0.38kg/cm with 2 red springs.
The Electromyographic activity of Rectus Abdominis
(RA), External Oblique (EO), Internal Oblique/Transversus
abdominis (OI/TS), Multifidus (MU), Iliocostalis (IC),
Longissimus (LG), Lower Trapezius (LT), and Anterior
Deltoid (AD) were evaluated. We observed that as the
spring constant increases, the RA, OE, OI/TS muscles
decrease their EMG activity, while the AD, LT, and LG
increase their EMG activity. The MU and IC muscles were
not influenced in their EMG activities. Therefore, we
observed an influence of the change of the spring constant
on the electromyographic activity of the RA, OE, OI/LG,
AD, and LT muscles. However, we found no influence of
the spring constant on the EMG activities of the MU and
IC muscles during the long stretch

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Influence of the spring constant change on the electromyography activity of muscles of the powerhouse and shoulder during the long stretch exercise

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