Movement and coordination mildly affected in both arms and both legs.

The movement of one leg affected to a high degree.

The absence of one leg.

Absence of one leg, mid-thigh.

The absence of one forearm.

 

S9 is for swimmers with coordination affected at a low level in the arms and legs, high degree of weakness in one leg, or the absence of limbs.

These swimmers have difficulty applying their power evenly to the water, especially at high speed.