If you're trying to attain new motor skills you might want to do a quick bout of cardiovascular exercise to increase brain connectivity and efficiency.
How many times have you found yourself going through the motions during your workouts, not truly working at the edge of your comfort zone, either mentally or physically?
Many Brazilian Jiu Jitsu purists prioritize technique over strength. Without entering that debate, one fact remains: to be the best grappler you can be, you need to get stronger.