[Bridge Support] mainly exercises the transversus abdominis muscles. Support the body with the elbow joints and toes, place the forearm on the ground, the upper arm is vertical to the ground, keep the head, shoulders, hips, and feet in a straight line, tighten the abdomen, and control for 10 to 30 seconds. Note: Always tighten your abdominal muscles, maintain even breathing, and avoid sagging your waist and lifting your hips.