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Muscular activity of the legs and trunk was studied in 27 patients with verified tumours of the frontal lobes of the brain. It is shown that the abnormalities of the anticipated postural muscle activity are connected with the lesion of the median part of the premotor region. It is concluded that the supplementary motor area is concerned with the control of(More)
Involuntary movements of the pelvis and legs which accompany voluntary arm flexion and correct the orthograde posture start in most trials in normal subjects simultaneously with the voluntary arm movement or later was demonstrated. At the same time bursts of legs and trunk muscles activity anticipate the burst of m.deltoideus activity. In this situation the(More)