I don't know what this means, that's what your doctor is for. And
demand to have it explained to you. The original seems to be in Russian so don't back down when they profess not to be able to do it. I expect my medical staff to know more than I do and so should you.
http://www.ncbi.nlm.nih.gov/pubmed/22983241
Abstract
The authors present results of a
pilot study on biomechanics of non-cyclic movements of the human
consequent verticalization in the ontogenesis of patients with
post-stroke hemiparesis (10 patients in the acute stage of cerebral
stroke) and 10 healthy volunteers without neurologic and orthopedic
pathology. Some movements of therapeutic exercises Balance (a model of
ontogenetic kinesitherapy) have been selected for the study. Cinematic
parameters have been recorded using a system of motion 3D video
analysis, a kinematic model was build in accordance to standard
protocols. The skin (native and straightened) electromyogram (EMG) was
recorded synchronously with kinematic data using 16-channel
electromyography from the following pairs of muscles: mm.
sternocleido-mastoideus, trapezius (горизонтальная порция), biceps
brachii, triceps brachii, rectus femoris, adductor magnus. Major
differences in the EMG picture between patients and controls were: 1)
the EMG "monotony" with the involvement of multiple additional muscles
in locomotions with the prevalence of the peculiar "tonic" muscle
activity (low amplitudes without distinct peaks), stretching along the
whole cycle of movement. In controls, EMG demonstrated variability and
had mostly "phasic" character with distinct 1 or 2 peaks; 2) the
asymmetry of EMG profile in symmetric movements. i.e. when performed
simultaneously from the right and from the left sides. The latter
feature may be considered as predictive because it was never found in
healthy people. It allows to identify objectively weak muscles even in
the absence of visible parethis during the routine neurological
examination.
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