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CrossFit Black Ridge – CrossFit Never miss a Monday. View Public Whiteboard Metcon (No Measure) Partner ab session**alternate rounds In 12 minutes: 3 rounds each: 10 hollow rocks 15 second bar hang L-sit hold 20 russian twists 35/26 kb *partner assist/spot legs for hang L-sit Metcon (Time) 3 rounds for time: 15 left arm single…