negative regulation of relaxation of muscle
down regulation of relaxation of muscle
exact
down-regulation of relaxation of muscle
exact
downregulation of relaxation of muscle
exact
inhibition of relaxation of muscle
narrow
Any process that stops, prevents or reduces the frequency, rate or extent of relaxation of muscle.
GO:0051241
negative regulation of multicellular organismal process
is_a
GO:1901077
regulation of relaxation of muscle
is_a
GO:0090075
relaxation of muscle
negatively_regulates