Sets: A single exercise that is completed multiple times, with a rest break in between.

Circuits: A collection of exercises, completed one after the other, as many times as possible. Circuits are usually either time-based or lap-based.

Lap-Based Circuit: A circuit that has an end point which is dictated by an allocated number of laps (e.g. 3 laps). Can have rest breaks between exercises or laps.

Time-Based Circuit: A circuit that has an end point which is dictated by an amount of time (e.g. 7 minutes). Can have rest breaks between exercises or laps.ListA series of exercises completed once in immediate succession (i.e. one after the other).

1RM One-rep max: Is the maximum amount of weight the user can lift for one repetition of an exercise.

RPE: Stands for “Rate of Perceived Exertion” or how hard an exercise feels.