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1- High-intensity of muscular overload
2- Progressive intensity from workout to workout
3- Proper spacing of workouts to avoid overtraining or
undertraining
Most people do sit-ups or crunches as an ab exercise. While these
are basically good exercises that can satisfy point 1 above, how many
people use them in a way that satisfies point 2? Muscles will only
develop in response to overload that is above normal. So if you do 20
crunches every day for a year, why would your ab muscles develop
beyond that capacity? They won't.
To force new development, you need to increase the intensity. You
could add a few crunches every day, but that really just increases
duration; there is a better way to get fast results.
Abs exercises proven to work
1- Weighted crunches
2- Weighted incline sit-ups
3- Weighted sit-ups
The best way to do weighted crunches is to lie on the floor with
your head close to the low pulley weight stack. Using the rope handle
attachment, grasp the ends and pull the cable until it is tight and
your hands are resting at the side of your head near your ears. Now
contract your ab muscles in a crunch that lifts your shoulders off the
floor and draws the weight stack up an inch or two. Choose a weight
that is so heavy, you can only do 8 to 12 reps.
If you don't have access to a low pulley, there is a good
alternative. You can use the high pulley that is normally used for lat
pulldowns. Kneel on the floor or sit in the seat directly under the
rope handles that you attach to the high pulley. Lock your legs under
the hold down.
Pull the
handles into position next to your ears, then contract your ab muscles
into a crunch that raises the weight stack an inch or two. Again,
choose a weight that is so heavy, you can only do 8 to 12 reps.
As a further alternative, you can lie on the floor and do a
sit-up or crunch while holding a barbell plate against your chest. The
limitation of this exercise is that, as you progress in strength, it
will not be possible to hold enough plates on your chest safely. But
that's a good problem to have.
On each successive workout, shoot for
a 5-15% increase in the weight you use. If you can't get a 5%
increase, it's time to add more days off between your workouts.
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