A weighted ball rebounder and method for increasing power on an athletic performance provide a trampoline member including a resilient sheet affixed to a peripheral frame pivotally coupled to a base and disposed on a substantially horizontal surface. Stabilizing members prevent the rebounder from moving along the surface when a weighted ball such as a 2–20 pound medicine ball, is rebounded therefrom. The trampoline member is angularly adjustable up to 180° in fixed positions. The method provides a user drawing a weighted ball in a direction away from the rebounder, then abruptly swinging the weighted ball toward the rebounder and releasing. The rebounder returns the weighted ball in flight, to the user.