Complex sentence: The band's pregame show is performed almost entirely with chair step, which consists of bringing the leg up so that the thigh is parallel to the ground, the shin is completely vertical, and toes are pointed at the ground.
Split into simpler sentences: The band's pregame show is performed almost entirely with this type of step. It consists of bringing the leg up so that the thigh is parallel to the ground and the shin is completely vertical and toes are pointed at the ground.