Negative Crunch Exercise

Name: Negative Crunch Exercise
Uploaded: 2014-07-21T08:58:28+00:00
Description: In doing a negative crunch you have to sit down with a tall torso; and legs slightly wider that your shoulders; your knees should be high reaching your...

Collected by FitnessRepublic on Jul 21, 2014

In doing a negative crunch you have to sit down with a tall torso; and legs slightly wider that your shoulders; your knees should be high reaching your...

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