If you are looking to improve power, throwing med balls, with intent and not just going through the motions, it huge. Simple coaching cues to improve intent.
➡️ Break the wall
➡️ Break the ball
➡️ Throw as far as you can
➡️ Throw as hard as you can
Or put them in positions where they HAVE to throw with max intent. An example would be putting athletes on a box ➖the only way to catch the rebound is to throw with maximal intent.