This  underwater treadmills smoothly accelerate from .1 up to 8.5 miles per hour and allow people to correctly simulate land-based walking, running or sports-specific activities but without the bodyweight and joint impact an individual experiences on land. Exercises such as walking, retro-walking, sprinting, shuffling, back-pedaling and plyometric activities are easily performed on the large, cushioned treadmill surface. Walking, running and exercising underwater has never been easier so it gives addective to uses from normal treadmill users . 

"The ultimate aquatic therapy pool for healthcare, sports, senior living & military applications".