EMG analysis of patients with cerebellar deficits.
Open Access
- 1 December 1975
- journal article
- Published by BMJ in Journal of Neurology, Neurosurgery & Psychiatry
- Vol. 38 (12), 1163-1169
- https://doi.org/10.1136/jnnp.38.12.1163
Abstract
EMGs from biceps and triceps were recorded during stereotyped elbow flexion tasks performed by 20 patients fulfilling clinical criteria for 'cerebellar deficits' and the data were compared with previously established normal standards. In a fast flexion task, 15 of 18 patients showed prolongation of the initial biceps and/or triceps components, and it is suggested that this abnormality might be an elemental feature of dysmetria. Ten of 14 patients showed the normal pattern of smooth flexion indicating that, with cerebellar deficits, smooth movements are better preserved than fast movements. The timing of the cessation of triceps activity before the initiation of biceps activity in an alternating movement was abnormal in 12 of 16 patients; this abnormality might be an elemental feature of dysdiadochokinesia.Keywords
This publication has 8 references indexed in Scilit:
- EMG analysis of stereotyped voluntary movements in man.Journal of Neurology, Neurosurgery & Psychiatry, 1975
- Relation of basal ganglia, cerebellum, and motor cortex units to ramp and ballistic limb movementsBrain Research, 1974
- Parameters Of Motion and EMG Activities During Some Simple Motor Tasks in Normal Subjects and Cerebellar PatientsPublished by Springer Science and Business Media LLC ,1974
- An analog computer study of fast, isolated movementsKybernetik, 1973
- Motor functions of cerebellum and basal ganglia: the cerebellocortical saccadic (ballistic) clock, the cerebellonuclear hold regulator, and the basal ganglia ramp (voluntary speed smooth movement) generatorKybernetik, 1971
- AN EXPERIMENTAL STUDY OF CEREBELLAR DYSKINESIA IN THE RHESUS MONKEYBrain, 1967
- [The so-called relaxation reflex in cerebellar & other ataxias].1958
- THE CEREBELLUM OF MANBrain, 1939