Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of glycogen.
Synonyms:
exact_synonym:
positive regulation of glycogen breakdown; positive regulation of glycogen catabolism; positive regulation of glycogen degradation; positive regulation of glycogenolysis; up regulation of glycogen catabolic process; upregulation of glycogen catabolic process
narrow_synonym:
activation of glycogen catabolic process; stimulation of glycogen catabolic process