Final answer:
Periodized nutrition refers to improving athletic performance through a feeding and training regimen that maximizes muscle glycogen content.
Step-by-step explanation:
The term periodized nutrition refers to improving athletic performance through a feeding and training regimen that maximizes muscle glycogen content. Athletes have different nutritional needs to support their vigorous level of competition and practice. One strategy used by endurance athletes is carbohydrate loading, which involves consuming a lot of starch in the days prior to a race to increase glycogen storage in the muscles.