Supported by

Movement or coordination moderately affected throughout the whole body.

Movement affected to a high degree in the trunk and legs.

Movement of the shoulders and arms affected to a mild degree, with movement in the rest of the body and legs highly affected.

Movement or coordination highly affected throughout the trunk and legs with grip mildly affected in the hands.

Absence of one forearm, one leg through the knee and one leg above the knee. Movement in one hand is also mildly affected.


SB4 is for breaststroke swimmers with co-ordination affected to a moderate degree in the whole body, or to a high degree in the trunk and legs.

These swimmers have difficulty holding good body position or swimming straight and level through the water.