Not exact matches
You can incorporate them into your workout in the form
of regular sets and
reps. Or you can try to finish a specified
number of reps within a
predetermined time interval.
Do your initial workouts with the chosen
number of reps and the
predetermined weight.
This can be done by setting a
predetermined goal
of a certain
number of repetitions or alternatively you can forget about counting
reps and just do the exercise for a certain amount if time.