It could be fielding ground balls with a backhand technique in baseball, shooting free throws in basketball, or pressing to handstand in gymnastics. The goal is to develop proprioception and endurance—defined as the ability to reproduce something many times over or at length—in that specific modal capacity.
Mobility: The Couch Series
WOD: Part 1: Back Squat 5×5 @80% of 1 rm.
Part 2: Tabata pushups