Why it works: If you notice a yogi's strong, sculpted arms, I'll bet money on the fact that she practices arm-balancing poses like Crow. This pose will also tone your abs.
Get more out of it: Honestly, this pose is challenging enough on its own, but if you want to go for the gold, work on straightening your arms. You can also practice slowly jumping into this pose from Down Dog — an awesome way to isolate your abs.
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