If core is super weak..as mine was..I couldn't even do one full set at first..worked up to it
Fitness Minutes: (112,042)
46,222 3/13/13 9:39 P
It depends on your level of fitness--if you are new to this type of exercise, 1 set of 8-10 reps will suffice, if you are a little more advanced you may want to try 3 sets of 8-10 reps (1 rep equals one full pendulum swing to the right and left).
I hope this helps!
3/13/13 9:00 P
How many reps necessary to do today's feature-the pendulum?