People with Marfan syndrome may have: 1  A tall, thin build. 2  Long arms, legs, fingers, and toes and flexible joints. 3  Scoliosis, or curvature of the spine.  A chest that sinks in or sticks 1  out. Crowded teeth.  Flat feet.
The new guidelines, however, do not extend to all children under 4. The AAP still does not recommend swimming lessons before age 1, and says children with motor or cognitive disabilities may not be not be ready for swimming lessons until a later age. Drowning is the second-leading cause of death for children ages 1 to 19, according to the AAP report.
Age of the Child. The age of the child determines how quickly you can teach a child to swim. Because a child's motor skills, or what the child is capable of in terms of their development, will play a critical role in the student's progress. How quickly a child learns any sport skill is limited by their motor skill development.