The practice of supporting thin thighs with flat plate: 1. Take a prone position, with the back elbow bent and supported on the ground, the shoulder elbow perpendicular to the ground, the toes touching the ground, and the body leaving the ground; 2. The trunk is straight, and the head, shoulders, crotch and ankles are kept in the same plane. 3. Next, tighten the abdominal muscles, tighten the pelvic floor muscles, and lengthen the spine. The hip joint should not droop or lean to both sides. 4. Keep your eyes on the ground, your neck is natural, keep breathing evenly and don't hold your breath. Novice, keep it for about 30 seconds.