Step 1: Stand on the mat in a mountain style, with your feet shoulder width apart, and pay attention to the parallelism between your feet and your palms.
Step2: While inhaling, lift your arms toward the ceiling, palm forward, tighten the front side of thigh upward and inward, and lift the patella.
Step3: The upper body bends from the hip to the ground. At this time, the heel should be close to the ground to drive the extension of the spine.
Step 4: Put your head in front of your body. At this time, the hamstring muscles at the back of your thigh feel tight and sore. Straighten your knees to a tolerable level. If you feel uncomfortable, bend your knees slightly. Don't force your body to reach the standard of pose.
Step 5: Breathe slowly, keep the pose for 30-60 seconds, and don't hold your breath.