3rd Degree Black Belt Nic Gregoriades demonstrates his favorite abs exercise for improving jiu jitsu performance.
More at http://bit.ly/2f7Vluy
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Jiu Jitsu Core Conditioning Routine | Jiu Jitsu Brotherhood
3rd Degree Black Belt Nic Gregoriades demonstrates his favorite abs exercise for improving jiu jitsu performance.
More at http://bit.ly/2f7Vluy