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Answer:
Here is
an explanation of how to do crunches for
best results:
Lie down
flat on your back with your knees bent
and your feet on the floor.
Hold your
hands wherever you feel comfortable (on
your chest or beside your head - just
be sure you don't pull on your head).
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The
typical crunch is taught by instructing
you to simply roll your upper torso
forward, bringing your head towards
your knees.
-
This
is fine to start with.
-
To
increase the effectiveness of the
crunch movement, try push your chest
and head up towards the ceiling pushing
your lower back flat onto the floor.
You can also think of it as trying
to push your belly button into the
floor.
-
Your
anatomy will automatically cause you
to follow a crunching pattern yet
trying to crunch up towards the ceiling
will increase the tension on the abs
greatly.
-
Hold
at the top of the movement for a second
and squeeze hard.
-
Do
not lift up into a sit-up as this
works the hip flexors and can strain
your back.
For more
detailed info on the crunch, check out
our Exercise section and Abdominal
Crunches!
But bottom
line, aerobics classes aren't your best
bet for losing fat and showing off those
abs. Interval
training is what you need.
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