If you want a six-pack, what's the first thing you should do? If you follow the popular wisdom, the answer is sit-ups. But that's not actually what fitness experts recommend. Sit-ups have proven to be a big injury risk—and besides, there are more effective exercises to achieve rock-hard abs (or stronger core muscles, anyway).
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You Don't See Sit-Ups In The Wild
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Better Core Exercises From Dr. Stuart McGill
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Key Facts In This Video
Sit-ups can lead to herniated discs in the spine and cause back pain. 00:13
Here are several alternate core-strengthening exercises. 00:42
If you did hundreds of sit-ups, your discs would break before your spine had a chance to catch up. 02:38