Can Exercise Elevate Liver Enzymes? ALT and AST can remain elevated for 7 or more days after strenuous exercise. The higher the intensity and the longer the duration of workout will result in higher peak levels and levels remaining high for longer. ALT and ASTALT and ASTThe AST/ALT ratio is the ratio between the concentrations of the enzymes aspartate transaminase (AST) and alanine transaminase, aka alanine aminotransferase (ALT) in the blood of a human or animal. https://en. wikipedia. org › wiki › AST › ALT_ratioAST/ALT ratio – Wikipedia can remain elevated for 7 or more days after strenuous exercise. The higher the intensity and the longer the duration of workout will result in higher peak levels and levels remaining high for longer.
