Definite leg drag, but better body position than S3 swimmers. Typically uses a water start with limited push off. S5 Control of the wrist and fingers. Arm movements are propulsive, but may not be well coordinated. Limited trunk control.
Legs provide balance or minimal propulsion.
Typically uses a water start or assisted dive with minimal push off. S6 Able to catch the water. Efficient arm movements with satisfactory propulsion. Good control of upper trunk. Limited to good leg propulsion.