Set
ProgrammingDefinition
A set is a group of consecutive reps of the same exercise performed without pause. When you read 4x10 on a program, it means 4 sets of 10 reps each, with a rest period between each set. The number of sets is one of the fundamental parameters for dosing training volume.
The set is the basic unit of measurement of your training. You take a weight, do the planned reps, put the weight down: you've completed a set. Between sets you rest for a time that depends on your goal: 60-90 seconds for hypertrophy, 2-5 minutes for maximal strength. Rest isn't wasted time: it lets your muscles restore energy stores and express force again on the following set.
How many sets to do? The answer depends on context, but general guidelines suggest 10-20 weekly sets per muscle group for hypertrophy. That volume should be spread across multiple sessions: doing 20 sets of chest in a single session isn't the same as doing 10 in two different sessions. After the first sets of an exercise, rep quality drops and the additional benefit of every extra set diminishes.
Not all sets are equal. A warm-up set doesn't count as a working set. A set taken to RPE 5 produces less stimulus than a set at RPE 8. When you count volume, only count sets that represent real effort: those performed with a load and proximity to failure sufficient to drive an adaptation. Sets done just to do them are junk volume.
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