Final Answer:
The four parts of fitness training that FITT stands for are Frequency, Intensity, Time, and Type.
Step-by-step explanation:
FITT is an acronym used to outline the key components of an effective fitness training program. Frequency refers to how often you engage in exercise sessions, while Intensity relates to the level of difficulty or effort exerted during each session. Time indicates the duration of each exercise session, and Type specifies the specific activities or exercises included in the training regimen. These components collectively guide individuals in designing a well-rounded and personalized fitness program. By adjusting these factors, individuals can tailor their workouts to meet specific goals, whether it's improving cardiovascular health, building strength, or enhancing flexibility.