Vol 50, No 3 (2016)

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Lower extremity muscles activity in standing and sitting position with use of sEMG in patients suffering from Charcot–Marie–Tooth syndrome

Natalia Maria Kuciel1, Grzegorz Krzysztof Konieczny2, Łukasz Oleksy3, Zdzisława Wrzosek2
DOI: 10.1016/j.pjnns.2016.01.011
Neurol Neurochir Pol 2016;50(3):195-199.


There is very limited, evidenced data about movement possibilities in patients with high level of lower limb muscles atrophy and fatigue in patients suffering from Charcot–Marie–Tooth syndrome. Patient (age 46) suffering from Charcot–Marie–Tooth disease for 30 years with multiple movement restrictions and muscles atrophy above knees took part into the study. Tests were performed for 8 muscles of the lower limb and pelvis. Muscles electrical activity was tested in sitting and standing position (for knees extended and hyperextended). In the right leg rectus femoris, vastus lateralis obliquus, gluteus medius and semitendinosus muscles activated at first and were working the longest time. The highest activity was observed in standing position with knees extended. In the left leg rectus femoris and biceps femoris muscles activated at first and biceps femoris was working the longest time. Activity level in left lower limb is much lower than in the right one. Muscles weakness is asymmetric. Left leg is much weaker and engages antagonists and synergists muscles to compensate weaker rectus femoris, vastus medialis obliquus and vastus lateralis obliquus.

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Neurologia i Neurochirurgia Polska