Half Kneeling Hip Flexor Stretch
How to: With 1 knee on the ground, keep chest tall & spine neutral. Drawn your lower abdomen and navel inward. On the side of the down knee, engage the glute to position the pelvis in a neutral position, then drive slowly forward. Hold the stretch for 2 - 3 sec. & repeat. This can also be performed statically by holding for 30+ seconds.