From europe and the united states of america, with multiple qualifications and certifications, china's specialized agency dedicated to parent-child health education, the world baby and child swimming association (wabc), china's strong brand name is strong! The high-five course is based on the universal and conceptually advanced euro-american movement of parent-child health. Sea sail's son-in-law swimming and water yoga course originated in cambridge, england, by dr. Françoise freedman, a well-known british medical anthropologist, a doctoral mentor at cambridge university, and a professor at the department of sociology at cambridge university; and a parent-child fitness course from the united states parent-child fitness brand “fun&fit”, initiated by professor jeff lulla, united states parent-child fitness. Since its inception in 1980, the course on the pro-child movement of sea sails has been developed for more than 30 years, incorporating the new research find...