QUALITY OF LIFE MIND-BODY CONNECTION RESILIENCE STRENGTH PAIN MANAGEMENT FAMILY SUPPORT

Stout-Heart Fitness

About Stout-Heart Fitness

A strength and fitness gym in Lancaster, CA is owned by husband-and-wife coaching duo Matthew and Elspeth Jimmink. We are the only training center in the Antelope Valley serving the area’s neurodivergent population. We are also a top facility to help rehabilitate neurotypical athletes who suffer from chronic pain or other symptoms of injuries. 

We are committed to building stronger, healthier, more resilient human beings. Our great coaches and supportive community will push you or someone you love to grow and heal beyond what was thought possible.

With guidance, hard work and passion, you won’t just become strong – you will become Stout-Hearted!

Personalized Coaching

Training plans tailored to the needs of each neurodivergent and neurotypical athlete.

Supportive Community

Join a motivated group of similar individuals and families in a supportive atmosphere.

Remarkable Results

Build strength and healthy habits for long-term results and lasting, life-altering change.

Training Programs

Our clients come from all over the Antelope Valley and beyond to train with us, we are open to the public and serve everyone. All our services are based on the same fundamentals, but every program is personalized to each and every client.We feature one consistent training program, all billed at the same rates, which is customized for the needs of each individual athlete. Whether you’re here for Strength Training, Pain & Rehab conditioning, or Neurodivergence, we can help.

Strength Training

Physical conditioning provides you with a richer life experience, strengthening your body so that it can function as it should. Learn more about Strength training here.

Pain & Rehab

Alleviate chronic pain, increase mobility, enhance flexibility, prevent injuries, and promote faster post-workout recovery. Learn more about Pain & Rehab training here.

Neurodivergence

Strengthen the mind-body connection, build muscle, increase endurance, and achieve full-body physical strength.

Coach Elspeth instructs a rehab client in the proper use of the sandbag.
Photograph of Stout-Heart Fitness Co-Founders wearing white shirts and standing in front of a dark grey wall.

Meet Our Founders

Recognizing that neurodivergent individuals and neurotypical people seeking relief from chronic pain in our area were underserved, Matthew and Elspeth Jimmink founded Stout-Heart Fitness to begin building stronger, healthier, and more resilient human beings. We’re proud to serve this community of truly remarkable people.

For our neurotypical clients, Matthew is especially interested in helping individuals understand their bodies and how they can manage chronic pain through targeted exercises. Elspeth is passionate about helping mothers navigate the emotional and physical challenges of maintaining a healthy pregnancy and overcoming postpartum issues.

Both founders come from a background rooted in physical fitness and using it to improve every aspect of an individual’s life, including mental, emotional, and physical health. We will make a difference for your neurodivergent child or ward, and if chronic pain is your challenge, we will help you find true relief.

Meet Our Coaches

Stout-Heart Fitness coaches are passionate and dedicated professionals, extensively trained in using highly targeted exercise to help neurodivergent and neurotypical athletes meet their health, resilience, strength, and well-being goals.

Head and shoulders photograph of Stout-Heart Fitness Senior Coach Josiah Leach.

Josiah Leach

Operations Manager
Head and shoulders photograph of Stout-Heart Fitness Coach, Annabel Reynaga.

Annabel Reynaga

Coach

Head and shoulders photograph of Stout-Heart Fitness Coach, Joel Custodio.

Joel Custodio

Coach

Head and shoulders photograph of Stout-Heart Fitness Coach, Elly Santamaria.

Elly Santamaria

Coach

Head and shoulders photograph of Stout-Heart Fitness Coach, Phoebe Leach.

Phoebe Leach

Coach

Head and shoulders photograph of Stout-Heart Fitness Coach, Chris Kelley.

Chris Kelley

Coach

Head and shoulders photograph of Stout-Heart Fitness Coach, Isaiah Vazquez.

Isaiah Vazquez

Coach

Head and shoulders photograph of Stout-Heart Fitness Coach, Ezekiel Jimmink.

Ezekiel Jimmink

Coach

Coach Josiah and an athlete working out while the athlete’s Mom cheers him on.

Praise from Parents and Athletes

Contact Us & Get Started Today

Take the first step toward becoming Stout-Hearted! We’re here to guide and support you on your journey. Request an Assessment today if you’re ready to get started, have questions, or just want to learn more.

An Athlete works with a sandbag while Coach Josiah and her Mom watch.