Tips. The pile squat is effective if you can achieve proper form and a complete range of motion. A lack of flexibility in the ankles will affect your form. To correct this, stand with your heels on two small blocks. The floor may limit your range of motion.
OTHER FORMS OF HYDROCEPHALUS. Hydrocephalus ex vacuo: dilatation of the cerebral ventricles due to loss of brain tissue. This is a common sequel of wasting brain diseases (leukodystrophies, multiple sclerosis, multiple strokes, Alzheimer's disease, Huntington's disease, etc.).
What is pectus excavatum? Pectus excavatum (PE) is an abnormal development of the rib cage where the breastbone (sternum) caves in, resulting in a sunken chest wall deformity. Sometimes referred to as funnel chest, pectus excavatum is a deformity often present at birth (congenital) that can be mild or severe in adults and children. What causes pectus excavatum? The cause of pectus excavatum is not well understood.