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Acute Effects of Whole-Body Vibration on Muscle Strength in Subjects with Shoulder Instability.

Background. Whole-body vibration (WBV) has proven to be an efficient tool in improving the physical qualities of the neuromuscular system, such as increasing muscle strength, performance, joint stability, electromyographic signal, proprioception, among others. Its use in the upper limbs and joint in...

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Published in:Muscles, Ligaments & Tendons Journal (MLTJ) Vol. 13; no. 4; pp. 625 - 633
Main Authors: Lopes Gomes da Silva, Uriel Sena, Ejnisman, Benno
Format: pictorial research tables/charts Journal Article
Published: EDRA SpA Oct-Dec2023
Online Access:View this record in EBSCOhost
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      jtl: Muscles, Ligaments & Tendons Journal (MLTJ)
      issn: 22404554
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    pubinfo:
      dt: Oct-Dec2023
      vid: 13
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      pid: 99334
      pub: EDRA SpA
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        10.32098/mltj.04.2023.15
        174630319
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        atl: Acute Effects of Whole-Body Vibration on Muscle Strength in Subjects with Shoulder Instability.
      aug:
        au:
          Lopes Gomes da Silva, Uriel Sena
          Ejnisman, Benno
        affil: Department of Sports Medicine, Federal University of São Paulo, Sao Paulo, Brazil
      sug:
        subj:
          Vibration Methods
          Muscle Strength Evaluation
          Shoulder Instability, Multidirectional Rehabilitation
          Training Effect (Physiology)
          Athletic Performance
          Human
          Isokinetic Exercises
          Dynamometry
          Adolescence
          Adult
          Middle Age
          Descriptive Statistics
          Athletes
          Adolescent: 13-18 years
          Adult: 19-44 years
          Middle Aged: 45-64 years
      ab: Background. Whole-body vibration (WBV) has proven to be an efficient tool in improving the physical qualities of the neuromuscular system, such as increasing muscle strength, performance, joint stability, electromyographic signal, proprioception, among others. Its use in the upper limbs and joint instabilities has shown good immediate results in a single session. The aim of this study was to analyze the acute effects of the use of mechanical vibration on the muscle strength of subjects with shoulder instability. Methods. 10 athletes in the process of post-surgical rehabilitation of shoulder instability were volunteers in this study. Muscle strength was tested in the internal (IR) and external (ER) rotation movements in the neutral position using isokinetic dynamometry at two angular velocities - 60 and 180º/s in three moments: before, immediately after, and 10 minutes after the application of WBV. The WBV was applied only once, using a frequency of 30 Hz, with the patient assuming the arm flexion position on the platform during 5 series of 30 seconds of stimulation. Results. The limb with shoulder instability benefited in both movements - ER and IR - and in both angular velocities. The limb without instability, on the other hand, had increased strength only in the RI movements at 60º/s and RE at 180º/s. Conclusions. It is concluded that a single session of WBV applied directly to the upper limbs is capable of acutely improving muscle strength in both limbs in subjects with shoulder instability, with the affected limb being the most benefited.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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