The reverse crunch has been a staple in strength and conditioning programs for years. Some research has shown that it can recruit the abs up to 60-70% of their maximum contraction potential. In case you're unfamiliar with it, here's what it looks like:
Here's how you can make it even more effective. It looks simple, but there are some subtle technicalities of the drill you need to master, along with some progressions.
The inability to brace and stay strong throughout your core during any phase of the squat as you un-rack the bar, walk out, squat, and then re-rack bar, can signal the brain and the rest of the CNS that there's a weakness in the body. This can limit range of motion and mobility in the absence of any muscular or bone structure limitation.
Some evidence indicates that the more tension and intra-abdominal pressure (IAP) you can generate, the stronger you'll be during a heavy lift. Excessive arching and poor IAP output are common issues that direct core training can help.
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