Inversion exercises are not suitable for everyone. Inversion is the head-down, feet-up position, which can make the muscle groups and ligaments in a state of tension to get some relaxation, to some extent, can eliminate brain fatigue, so that the mind and spirit of stability and relaxation. If you are in good health and there are no contraindications, you can practice inversions on a daily basis under the guidance of a medical professional, but it is not recommended to do it on your own. In addition, special groups of people and physical diseases, physiological and psychological state is more or less affected, it is not recommended to practice inversion, so as not to aggravate the disease, causing unnecessary damage. 1, children children’s bones, brain, cardiovascular and cerebrovascular is not well developed, inversion will affect the blood circulation of the head and organs; in addition, inversion can cause cranial pressure to rise, the retinal arterial pressure along with the rise, causing In addition, inversion can cause an increase in cranial pressure and a rise in arterial pressure in the retina, causing a transient visual field defect and, in severe cases, bleeding in the eyelids; 2. Inversion in menstruating women and pregnant women may lead to retrograde blood in the vagina and uterine cavity into the pelvis, causing uterine or pelvic infections and, in serious cases, endometriosis. Pregnant women who perform inversion may cause miscarriage, premature birth, premature rupture of the fetal membranes, placental abruption, resulting in hemorrhage, which in serious cases can endanger the lives of pregnant women and babies; 3, eye disease patients with high myopia, glaucoma patients to perform inversion exercises may lead to increased venous pressure in the eyes, capillary rupture and bleeding, resulting in retinopathy; 4, cardiovascular disease patients inversion can allow venous blood The full reflux to the heart, resulting in an increase in blood pressure, serious cases can occur vascular rupture. Therefore, patients with hypertension and cardiovascular disease should avoid this exercise; 5, fractures and spinal disease patients inversion exercises generally require strong arm strength and lumbar and abdominal muscle strength, fracture patients fracture parts are fragile, inversion exercises may produce secondary injuries if not careful. Scoliosis, cervical spine, lumbar spine disease patients for inversion exercises may aggravate the severity of the disease; 6, other patients suffering from gastric ulcer, tuberculosis, hernia or chronic disease, as well as in the recovery period after surgery, are not recommended for inversion exercises, so as not to cause adverse effects. In short, inversion exercises are not suitable for everyone. Before performing inversion exercises, you must check whether your body is in a state of illness or let your doctor assess whether it is suitable to avoid potential risks of exercise.