A lifetime of
fitness, built for you.
A private gym between Beach Blvd. and the 405, serving Westminster, Huntington Beach, Fountain Valley, and greater Orange County. No peak-hour crowds. No cluttered floor. No sales pressure. Just training that works.
New to KB? Your first consultation is absolutely free.
Big-box gyms weren't built for results. They were built for scale. You deserve better than a locker and a login.
The typical chain gym
- Inexperienced trainers
- Long equipment waits
- Peak-hour crowds
- Cluttered floor
- High-pressure sales staff
- Limited parking
KB Fitness
- Advanced-level training
- Zero waits — reserved sessions
- Max 4 people at a time
- Clean, deliberate spaces
- No sales team
- Ample parking
Training that meets you wherever you are — and takes you somewhere better.
Personal Training
One-on-one programming built around your goals, your schedule, and your body — not someone else's template.
Strength Training
Progressive, intentional strength work. Barbells, dumbbells, kettlebells. No guesswork, no ego lifts.
Athletic Performance
For the weekend warrior and the competitor. Explosive power, conditioning, and sport-specific prep.
Flexibility & Mobility
The work most gyms skip. Move better, hurt less, train longer.
Injury & Post-Surgery Recovery
Evidence-based return-to-training protocols. Get back to what you love without re-injury.
06Postpartum Fitness
Rebuild core strength and confidence with training designed for the postpartum body.
Functional Fitness
Training for the life you actually live — carrying, lifting, playing, moving, aging well.
Senior & Older Adult Training
Strength, balance, and mobility programs tailored for clients 55+. Kurtis is TOA-certified.
09Back Pain Relief
Kurtis literally wrote the book — "Finally Fix Your Back Pain." Evidence-based protocols to end the cycle.
Corinna & Kurtis.
Decades on the floor.
A husband-and-wife duo with a combined resume in Kinesiology & Rehabilitation, Strength & Conditioning, Nursing, and Division-1 athletics. We've spent decades on gym floors, in rehab clinics, and in classes. We know the challenges of training around an injury, a packed schedule, or a body that's changed.
We built this studio because we wanted a place we'd actually want to train in. Turns out, so did everyone else.
Read our full story →Three steps. No pressure. Starting with a free conversation.
Free Consultation
Stop by the studio. We'll talk through your fitness history, what's worked, what hasn't, and where you want to go. No cost, no commitment.
Custom Plan
We design a program around your goals, your schedule, and any injuries or conditions we need to work around. It's yours, not a template.
Show Up & Thrive
Reserved sessions, expert coaching, and a community that's actually small enough to know your name. Progress becomes routine.
Free chapter: Finally Fix Your Back Pain
A preview from Kurtis's book — plus the occasional (short) email with training tips from the studio. Unsubscribe anytime.
Full satisfaction or a full refund.
When you join KB Fitness, you're not signing a 12-month prison sentence. You're entering a partnership built around flexible membership, personal support, and real results.
Book your free consult →Or call us directly at (714) 596-2900