In some cases it’s best to count reps, and in other cases it’s best to regulate the time under tension. The lower Russian twist is an example of where it’s best to assign a time (like 30 seconds) rather than a rep number.
In some cases it’s best to count reps, and in other cases it’s best to regulate the time under tension. The lower Russian twist is an example of where it’s best to assign a time (like 30 seconds) rather than a rep number.