When riding a bicycle, you should relax all over, take deep breaths as slowly and regularly as possible according to your physical fitness, and never use explosive force, otherwise it will become muscle training.

It is suggested that if the landlord simply reduces his hips, he will not consider bicycles.

You can do exercises, swim, jog and do yoga, all of which are very effective. (Hip lifting exercise 1) 1. Take a kneeling position and put your hands shoulder-width apart on the ground. 2. Move the left knee as far as possible to the chest for 5 seconds, then slowly lift it (the thigh is 90 degrees) and put it down after 5 seconds. 3. Repeat hip lifting exercises 30 times before changing sides. Hands naturally stick to the ground shoulder width. 2. Abdomen in, hip in, lift and inhale, pause for 5 seconds, and then exhale. 3. Repeat 30 times (hip lifting exercise 3) 1. Hands crossed, straight forward at shoulder height (or holding a wall or chair back). 2. Stand up straight with your right foot, move your left foot back slightly, press your toes against the ground, lift your left foot back quickly, pause for 5 seconds, and then release it. Straighten your hands and feet. 2. Lift your feet together slowly and put them down slowly when they are at right angles to the ground. 3. Stop at a place 30 cm above the ground and stand still 1 min.

I wish you good health.