History of lung diseases (under treatment) History of kidney diseases (under treatment) History of heart diseases history of allergy to latex or balloon material Any case of prohibition from Intense aerobic activity by a physician the need for hospitalization in intensive care units(ICU or CCU). Pregnancy History of neurological diseases

History of lung diseases (under treatment) History of kidney diseases (under treatment) History of heart diseases history of allergy to latex or balloon material Any case of prohibition from Intense aerobic activity by a physician the need for hospitalization in intensive care units(ICU or CCU). Pregnancy History of neurological diseases