• Acute infectious diseases, including acute respiratory viral infections (ARVI) with elevated body temperature, as well as purulent or necrotic processes.
• Any acute condition or exacerbation of chronic illnesses.
• Severe physical debilitation (asthenia) following physical trauma, surgery, or recent serious illness.
• Postoperative period of any kind.
• Unresolved or unstable injuries.
• Organic (including symptomatic) mental disorders.
• Mental disorders and behavioral disturbances related to the use of psychoactive substances.
• Schizophrenia, schizotypal disorders, and delusional disorders.
• Mood (affective) disorders.
• Personality and behavioral disorders in adulthood.
• Intellectual disability (developmental delay).
• Inflammatory diseases of the central nervous system (CNS).
• Systemic atrophies primarily affecting the CNS (e.g., certain degenerative conditions).
• Extrapyramidal and other movement disorders.
• Other degenerative diseases of the nervous system according to ICD-10 (e.g., Alzheimer’s disease, localized brain atrophy).
• Demyelinating diseases of the CNS.
• Epilepsy.
• Transitory ischemic attacks (variable transient cerebral ischemic episodes).
• Syndromes of the anterior, middle, or posterior cerebral arteries.
• Polyneuropathies and other lesions of the peripheral nervous system.
• Diseases of the neuromuscular junction and muscles (e.g., myasthenia, myopathies, muscular dystrophy).
• Cerebral palsy and other paralytic syndromes.
• Other nervous system disorders (e.g., hydrocephalus, multisystem degeneration, etc.).
• Acute or subacute inflammatory conditions and ocular injuries.
• Lens dislocation.
• Vascular occlusions of the retina.
• Glaucoma with uncontrolled intraocular pressure.
• Degenerative myopia.
• Risk of retinal detachment or history of retinal detachment surgery.
• Hearing loss of vascular origin (labyrinthine ischemia or hemorrhage), inflammation of the eustachian tube.
• Postoperative period involving the eustachian tube (e.g., otosclerosis). Inverted (upside-down) poses are contraindicated in such cases.
• Rheumatic heart disease with any degree of active inflammation, accompanied by moderate to severe (Grade 2–3) valvular lesions.
• Inactive rheumatic heart disease with Grade 1 valvular lesions, on bicillin prophylaxis with rheumatologist consultation, is not a contraindication.
• Post-myocardial cardiosclerosis with cavity dilation (enlargement of heart chambers).
• Chronic rheumatic pericarditis.
• Arterial hypertension (Grades 2–3) with uncontrolled blood pressure.
• Hypertension (Grades 1–2) with good blood pressure control and cardiologist supervision is not a contraindication.
• Angina (starting from Functional Class 3); Angina Class 2 with hemodynamically significant coronary artery stenosis (per coronary angiography).
• Angina Class 1–2 without hemodynamically significant lesions is not a contraindication.
• Previous myocardial infarction (post-infarction cardiosclerosis).
• Ischemic heart disease (IHD) with heart failure Class 2A or higher.
• Aneurysms of the aorta, coronary artery, or pulmonary artery.
• Pulmonary hypertension with a pressure gradient > 40 mmHg (either as a primary condition or secondary to cardiovascular disease).
• Pulmonary insufficiency Stages 2–3.
• Heart failure (HF) Class IIa or higher (per Strazhesko-Vasilenko), NYHA Functional Class II.
• Arteriovenous fistula of the pulmonary vessels.
• Pericarditis.
• Endocarditis.
• Cardiomyopathy (dilated, obstructive, hypertrophic, or due to metabolic disorders).
• Endomyocardial (eosinophilic) disease.
• Endocardial fibroelastosis.
• Atrioventricular (AV) block of 2nd or 3rd degree.
• Three-bundle branch block.
• Wolff-Parkinson-White (WPW) syndrome without arrhythmias is not a contraindication.
• Recurrent ventricular arrhythmia.
• Paroxysmal arrhythmias (supraventricular or ventricular tachycardia).
• Sick sinus syndrome (SSS).
• Heart failure.
• Acquired septal defect in the heart.
• Subarachnoid hemorrhage.
• Occlusion and stenosis of precerebral arteries.
• Dissection of cerebral arteries.
• Cerebral atherosclerosis.
• Progressive vascular leukoencephalopathy.
• Hypertensive encephalopathy.
• Moyamoya disease.
• Non-purulent thrombosis of the intracranial venous system.
• Cerebral arteritis not classified elsewhere.
• Obliterating thrombangitis (Buerger’s disease).
• Muscular and connective tissue dysplasia of arteries.
• Budd-Chiari syndrome.
• Postphlebitic syndrome Grade 3.
• Compression of veins (superior vena cava syndrome).
• Venous insufficiency Grades 2–3.
• Erythrocytopenia (significant red blood cell deficiency).
• Leukopenia (significant white blood cell deficiency).
• Thrombocytopenic purpura.
• Hemophilia.
• Diabetes mellitus with neuropathy or retinopathy.
• Diabetes mellitus with nephropathy (chronic kidney disease stages 2–3, microalbuminuria > 300 mg/day).
• Crohn’s disease.
• Rectal prolapse.
• Hemorrhoids in the acute phase, especially with bleeding.
• Hepatic insufficiency in the decompensated stage (Grades 2–3).
• Cirrhosis of the liver.
• Aortic arch syndrome (Takayasu arteritis) with complications.
• Spinal canal stenosis (relative or critical).
• Cervical intervertebral disc lesions with myelopathy.
• Myositis ossificans (traumatic or progressive).
• Palmar fascial fibromatosis (Dupuytren’s contracture).
• Osteoporosis with pathological fractures.
• Algoneurodystrophy (Complex Regional Pain Syndrome).
• Paget’s disease of bone (deforming osteitis).
• Chronic kidney diseases with chronic renal failure Grades 2–3.
• Renal osteodystrophy.
• Varicocele (enlarged veins of the spermatic cord).
• Prolapse or hernia of the ovary or fallopian tube.
• Paralysis of the vocal cords and larynx.
• Laryngeal stenosis.
• Pleurisy and other pleural conditions (e.g., pneumothorax, fibrothorax, hemothorax).
• Respiratory failure Stages 2–3.
• Malignant neoplasms of any origin.
