Table 3.

Mean body wave velocities of the flutter kick obtained in the Sanders [13] study of three levels of learners and a group of skilled swimmers.

	Hip–Knee Wave Velocity	Knee–Ankle Wave Velocity
Level 1	8.2	2.5
Level 2	8.3	4.1
Level 3	7.3	3.8
Skilled	2.8	3.2