In the process of doing a round kick, or roundhouse kick, you need to turn your kicking leg over, to be perpendicular with your body. When I do this I loose significant height on my kick and can rarely get it above my waist level, which prevents me from obtaining optimal angles.
I normally feel a tightness on the outside of my leg near my hip joint. Properly warming up with splits and static leg stretches doesn't seem to help terribly. For example when split stretching on the ground I will feel a tightness in the side of my hip, I think the lateral rotator group, before the groin. Working though this doing a split stretch hasn't improved it much.
Has anyone else encountered this, or does anyone know, what exercises or activities do you recommend that I do to attempt to gain more lateral hip flexibility?