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Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
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Functional muscle balance assessment in multiple sclerosis.

Marius Cristian Neamtu1,1, Oana Maria Neamtu2,1, Mihai Robert Rusu2,1

  • 1Department of Physiology, University of Medicine and Pharmacy of Craiova, Craiova, Romania.

Journal of Back and Musculoskeletal Rehabilitation
|November 21, 2019
PubMed
Summary

Multiple sclerosis (MS) causes thigh muscle imbalance, with tensiomyography (TMG) revealing asymmetry. This noninvasive method helps assess muscle status before rehabilitation to prevent further damage.

Keywords:
Muscle balanceassessmentmultiple sclerosissymmetry

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Area of Science:

  • Neurology
  • Biomedical Engineering
  • Rehabilitation Science

Background:

  • Chronic demyelination in multiple sclerosis (MS) is linked to muscle structure changes and motor disorders.
  • Understanding muscle status in MS is crucial for effective rehabilitation and preventing further damage.

Purpose of the Study:

  • To assess thigh muscle balance in MS patients using a noninvasive method.
  • To gather data on muscle status before rehabilitation to prevent muscle damage.

Main Methods:

  • Tensiomyography (TMG) was used to evaluate the functional potential of biceps femoris (mBF) and rectus femoris (mRF).
  • TMG parameters measured included displacement (Dm), contraction time (Tc), and sustain time (Ts).
  • Clinical evaluations included neurological and functional assessments using standardized scales.

Main Results:

  • Low displacement (Dm) values were observed in both mBF and mRF, with mBF closer to normal.
  • Contraction time (Tc) was high for mBF and low for mRF.
  • Sustain time (Ts) showed lower values for mRF, indicating asymmetry and a tendency towards type I fibers in mBF.

Conclusions:

  • TMG revealed structural and functional asymmetry in thigh antagonist muscles in MS patients.
  • Increased tonus in mRF suggests compensation for knee stability, while mBF showed a decrease in type I fibers.
  • The findings highlight muscle composition changes and potential for hypertonicity in MS, informing rehabilitation strategies.