[Research on involuntary post-contraction].
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Biomedical subjects
Publications and source records attributed to C Wittenberger.
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The involuntary postcontraction (IPC) was studied on people affected by 12 different diseases or by noxious influences, and compared with that in healthy persons. General and disease-specific modifications are described and discussed. The suggestion is made that IPC could be used as a fast and easy test of the general state of health of the organism.
A mild 10 min exercise, induced by "in vivo" electrical stimulation of the rat gastrocnemius, causes decreases of the muscle glycogen content (G) and phosphorylase alpha activity (PA), and an increase of its overall glycolytic capacity (OGC); in the myocardium, PA decrease of liver glycogen were brought about by peripheral administration of 6-OHDA; these were probably also related to tissue hypoxia. Modifications elicited by exercise in 6-OHDA treated rats (increase of PA, but no modification of G and OGC in GM; decrease of G in the liver; decrease of OGC in M) suggest some impairments of the ability to adapt the tissue metabolism to increased energetic needs.