A friend of mine posted a link to this on a forum we both read:
The Man Who Wants to Kill Crunches
It's an article about Dr. Stuart McGill's no-crunches approach. It's written for a mass audience, not exercise professionals, so it's fairly basic. But if you've never encountered the idea of dropping crunches, take a look.
Me, I'm curious about what that Yoga instructor did to change the sun salutation.
声を出すことで盛り上がる…（火）グラップリング小川クラス20:15〜
17 hours ago
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