Coaching Runs In The Family.

Karina Marval and Jorge Gonzalez are a Miami husband and wife training team, coaching in-person at Flexappeal Miami and online.

Jorge Gonzalez training at Flexappeal Miami
Certified Personal Trainer

Jorge Gonzalez

Over 40 years of coaching experience in strength, conditioning, and nutrition. Jorge spent decades under the bar himself before he ever coached anyone else, and it shows in how he programs: patient, direct, and built around what actually works over the long term.

Karina Marval at Flexappeal Miami
Personal Trainer

Karina Marval

Karina specializes in women's body recomposition: building muscle, burning fat, and doing it without starving yourself. She trains clients in person at Flexappeal Miami and coaches others online, pairing strength programming with macro coaching that fits a real life.

How We Work Together

Karina Marval and Jorge Gonzalez flexing together

Marval Fitness combines Karina's approach to women's body recomposition with Jorge's decades of strength and conditioning coaching. Whether you train in person at Flexappeal Miami or online, you get real programming built by two coaches who take it seriously.

Ready to Train With Karina or Jorge

Apply for coaching and tell us your goals. We will follow up with you personally.