As with most flavor enhancers, mustard is cut into the food, that is, added in small amounts.
Another source suggests that the original expression may have been cut the muster, implying that a soldier passed inspection with flying colors.
The scratch of the expression was the line drawn on the ground in various sporting events: prize fighting, cockfighting, foot racing, and others.
Contestants who came “up to [the] scratch” were worthy competitors, ready to undertake the challenge and prove their mettle.
Oh et al., in a 2005 systematic review of the term's usage, offered the definition of e Health as a set of technological themes in health today, more specifically based on commerce, activities, stakeholders, outcomes, locations, or perspectives.