General:
* Vigorously: This word emphasizes the forceful energy and intensity.
* With all your strength: This is a direct and clear way to express the idea.
* Ferociously: This implies a fierce and intense effort, often with aggression.
* Wholeheartedly: This emphasizes complete commitment and dedication.
* With every fiber of your being: This is a poetic and powerful way to describe complete dedication.
More specific:
* Relentlessly: This emphasizes continuous and unwavering effort.
* Indefatigably: This highlights the ability to work tirelessly without tiring.
* Tenaciously: This focuses on a persistent and determined grip, refusing to give up.
The best word will depend on the specific situation and the nuance you want to convey.