COMPARISON OF NEUROMUSCULAR ACTIVATION BETWEEN YOUNG ADULTS AND ELDERLY IN POSTURAL BALANCE TESTS

Authors

  • Samuel Klippel Prusch samuel_klippel@yahoo.com.br
    Universidade Federal de Santa Maria
  • Igor Martins Barbosa igormartinsbarbosa2@gmail.com
    Universidade Federal de Santa Maria
  • Khatarine Jappe Basso katharinebasso@hotmail.com
    Universidade Federal de Santa Maria
  • Elisama Josiane Mello dos Santos elisama.mello@hotmail.com
    Universidade Federal de Santa Maria
  • Luciana Erina Palma Viana luepalma@yahoo.com.br
    Universidade Federal de Santa Maria
  • Luiz Fernando Cuozzo Lemos luizcanoagem@yahoo.com.br
    Universidade Federal de Santa Maria

DOI:

10.51283/rc.27.e14161

Keywords:

Aging, Muscle Strength, Physical Fitness, Electromyography

Abstract

Aims: To compare the electromyographic activation in bipodal and unipodal conditions between young adult (GJ) and elderly (GI) women. Methods: Neuromuscular activity was measured with bipolar surface electrodes in an electromyograph operating at 2000 Hz (20-500 hz bandpass filter). The muscles evaluated were vastus lateralis, rectus femoris, biceps femoris and medial gastrocnemius. Neuromuscular activity was evaluated in unipodal and bipodal support, in the task of remaining as still as possible for 30 seconds. Normality was verified by the Shapiro-Wilk test, homogeneity by Levene and the t test for independent samples for comparisons (significance ≤ 0.05). Results: GI showed greater activation in both conditions for the vastus lateralis muscles (Single leg: GJ: 4.80%±2.52% and GI: 33.72%±16.57%, p<0.001; - Bipodal: GJ : 3.83%±1.37% and GI: 20.45%±11.82%, p<0.001) and rectus femoris (Single leg: GJ: 3.89%±2.45% and GI: 11.62 %±6.32%, p<0.006; - Bipedal: GJ:2.37%±0.70% and GI: 7.94%±4.54%, p<0.006). And only in the unipodal condition for the biceps femoris (FG: 6.05%±4.44% and GI: 23.03%±16.27%, p<0.014) and gastrocnemius (FG: 18.95%±10, 09% and GI: 32.34%±9.85%, p<0.008). Conclusion: GI showed greater neuromuscular activation than GJ, in both tasks (all muscles in unipodal condition, and in the vastus lateralis and rectus femoris in bipodal condition), to remain as stable as possible during the 30 seconds.

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Published

2023-06-01

How to Cite

Prusch, S. K. ., Barbosa, I. M. ., Basso, K. J. ., Santos, E. J. M. dos, Viana, L. E. P. ., & Lemos, L. F. C. . (2023). COMPARISON OF NEUROMUSCULAR ACTIVATION BETWEEN YOUNG ADULTS AND ELDERLY IN POSTURAL BALANCE TESTS. Corpoconsciência, 27, e14161. https://doi.org/10.51283/rc.27.e14161

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