Is hamstrings Flexibility really necessary for a side split?

Is hamstrings Flexibility really necessary for a side split?
While they are not lengthened as much as the adductors, in a turnout position, hamstrings do adduct the femur, meaning pull it towards the center line. A straddle is when each leg is moved 90 degrees away from the center line. Medial Hamstrings are stretched more than lateral, because of the turnout at the hip. A special Zaichik Stretching Technique called “Peace” targets both hamstrings, while a Zaichik Stretching Technique called “Content” targets the medial hamstrings, specifically. Doing a side split requires the flexibility of these muscles and with our Splits programs these muscles will be stretched the RIGHT way!
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