Glossary
Working set
A working set is a set taken close to failure — usually within 1 to 3 reps of stopping.
Only working sets count toward your weekly training volume. Warm-up sets don't.
Also known as
working sets, hard set, hard sets
Related terms
Set
A set is a group of consecutive reps performed without resting.
RIR
RIR is reps in reserve — how many more reps you could have done before failing.
Failure
Failure is the point where you can no longer complete a rep with good form.
Training volume
Training volume is the total amount of hard work done for a muscle, usually counted as hard sets per week.