The invention is directed to be a hand portable exercise and training
machine to improve the user's initial linear quickness and speed from a
stationary or set position. The machine consists of a horizontal beam
mounted above the floor with a movable foot sled, a stationary spring
retainer bracket and a removable handle bar post and assembly mounted on
it. Springs are attached to the front of the foot sled and the opposite
end of the springs are attached to the stationary retainer bracket
adjacent to the vertical handle bar post. The invention is an exercise
device that applies spring resistance to the full range of motion in the
user's leg as it pertains to the initial drive phase (first 3-6 steps) of
a sprint. The machine can be collapsed for transport and re-assembled
without the use of tools.