A stretch for the hamstrings, avoiding the common mistake of leaning forward. You can make this stretch more specific to the lateral portion of the hamstrings by turning your toes further in, and bring the stretch to the medial part of the hamstrings by turning your toes outwards and drop your hip on the side of the high leg. The stretch should always be comfortable and never forced. Always do both sides and remember to even tensions in the leg by also stretching your quadriceps. To use at your own risk.