Outgoing
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Knuckle Up

Vallejo

Trade boring cardio for bag work and pad drills that actually get results. The trainers here build you up while they work you out: expect encouragement, technique corrections, and a crew that celebrates every milestone.

Kids kickboxing classes
Youth fitness program
Beginner-friendly training
Weight loss success stories

Tips

💪"I've lost OVER 100LBS!!!"
👊try the Muay Thai and Tae Bo classes
😊trainers AJ and Denise are super encouraging

Knuckle Up

4380 Sonoma Blvd room 224, Vallejo, CA 94589, USA