A trampoline-like bed attached by springs to a carbon steel frame, the 190-degree angled device lets basketball players train by themselves—or with teammates—in game-like positions with game ...

Valve 3 is a 45-degree angle with a 30-degree back cut, while valve 4 is a 30-degree seat angle with a very shallow, 22-degree back cut. Flow testing revealed that valve 4 generated the most low ...