Bikini Mom


Bikini Mom

Personal Training in Marin Success Stories

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"I highly recommend John to anyone who is serious in improving their health and fitness..."

I’ve achieved terrific results working with John Spongberg as my personal trainer. After 30 years in a stressful and sedentary job, I felt it was time to get some help to improve my fitness and health. During our initial visits, John assessed my mobility, flexibility, strength, and general fitness. John developed a specific program to increase my core stability, strength, balance, and flexibility. After just a few months, the results were remarkable; during my first cross country ski trip for the season, I was skiing with greater confidence, endurance, and balance then ever before. John is knowledgeable, professional, and runs me through a variety of fitness building and strengthening routines. I highly recommend John to anyone who is serious in improving their health and fitness.
Bruce Noda Corte Madera Retired


John's help has made a tremendous difference!

Whether you're in SF, the East Bay, Sonoma County, or Marin County, contact John if you want to work with a trainer who's very knowledgeable & thorough, a great motivator, extremely patient, and a truly nice person. Since April 2008, I've been fighting decades of inactivity, and John's help has made a tremendous difference in my general energy level, endurance in demanding situations, strength, and coordination.
Robert Isaacs Novato


John's very patient and kind.

John is excellent at working with people who have had surgery or injuries. He finds what a client's limits are and tailors a rebuilding program. He's very patient and kind.
John Isaacs Novato


"John was my trainer for about a year; he is really dedicated to his professional and the results of his clients, and he also made working out fun."

"He was really tuned-in to the physical, physiological, lifestyle and emotional challenges impacting my overall fitness. I would recommend him to anyone needing some support and guidance to better health."
Barbara Saxby San Rafael


"I had never worked out with a personal trainer when I began working out with John about a year ago."

"I found him informative and very interested in what he does. His outdoor fitness class on Saturdays is really fun and a great workout. I would highly recommend John if you are new to personal training and want someone to get you into shape without risking injury."
Rachel Castrejon San Anselmo


"Thank You!"

John is very good at understanding his client's physical limitations and adjusting the work out program to produce the best results without injury.
Dan Kingsley Kentfield


"In the two years I have worked with John he has done a great job both educating and motivating me to achieve greater personal health."

The training is challenging and the focus on an integrated approach has got me thinking about how I’m fueling my body as well as how to build my strength and flexibility. I feel good, I’m losing weight naturally and I have the energy to maintain a wonderfully active lifestyle. John is a master at keeping me on track towards achieving my personal goals.
Paul Zeger Greenbrae


"I have really enjoyed my trainings with John."

I definitely have noticed results and what’s better is other people have noticed I have been working out too. It’s so nice to fit into the clothes that I had stopped wearing because I didn’t like the way I looked in them. My work with John has inspired me to keep fitness as a priority in my life. My metabolism has changed and I feel stronger and healthier than I have in a long time. I highly recommend him to anyone interested in getting in shape.
Parveen Bourne San Rafael


"After my knee operation five years, I was making little progress with the physical therapy program. So, I turned to John, and, within a few months, my knee was recovered."

I continued to work with John and soon I was in the best shape since college. John understood my situation and created workouts that were focused on my needs. The sessions are fun and different every time. John has not only been able to provide me with a great training regime, he has shown his diversity and knowledge by also working with sons and spouse. They have really enjoyed their time with him which speaks highly of John, since they had not previously spent much time training. In summary, John is a great guy, who happens to be a wonderful trainer, and I am the beneficiary of his ability to figure out how I can get the most out of our training time which has helped me feel better about my body and play tennis without nagging injuries.
Harold Zagunis Sonoma


"I had gained a lot of weight due to a high stress job and working overtime instead of working out."

So as a result I was physically weak and overweight, in fact obese the doctor said. I was horrified to hear that word, I had never been that heavy in my life. And now my daughter was getting married in a year and I was panicked. I decided to work with a personal trainer. The first personal trainer I worked with made me feel like I was so out of shape and that my situation was hopeless. I was so depressed, I quit. Then John was recommended to me. I worked out with him 3 days a week and started to feel so much better. He was able to work with me in a way that made me feel I could accomplish my goal to get healthier and stronger. By the time of my daughter’s wedding, I was a new person. It has now been about 7 years since I have been working on and off with John. He has continually inspired me to keep on a healthy track, nutritionally and physically. I have learned how to manage my weight with nutrition and exercise and I now feel confident I will never pack on those pounds again. I accredit John for his continual positive motivation and inspiration and I don’t know what I would do without him.
Mari Avedano Novato


"John has helped me evolve from an “old school” gym rat focused on bench press and curls, to a guy who understands the value and power of a perfectly executed, simple push-up..."

I am in my mid-fifties (okay, I’m 57!), and I have been in and out of gyms all my life, with some lengthy absences spaced within that time. I came to personal training with a “well, it can’t hurt” attitude, and, I admit, a bit of embarrassment about this being an over-the-top luxury that I wouldn’t need to indulge in if I had an ounce of gumption. Well, one thing is true, it is a luxury…but it is an experience that has fundamentally changed my attitude toward fitness and the way I use my body everyday.

I think one of John’s strengths is that he continually links gym work to everyday activities. He also has an uncanny ability to assess one’s body strengths and weaknesses, and to target those areas, and then to seamlessly “ramp up” the exercise intensity as the body and attitude allow.

John is unfailingly professional, never fails to accurately explain in layman’s terms what a particular exercise is all about, and he does this all with warmth and a good natured sensibility. Not once in over a year of working with John did I ever sense that he was not fully engaged in our session, and sincerely interested in my progress. He has helped me evolve from an “old school” gym rat focused on bench press and curls, to a guy who understands the value and power of a perfectly executed, simple push-up.

John is now working with my wife’s fitness evolution, and I smile knowingly when she comes home with a “Johnism” …unfortunately, I’ve been there.
Joe Brubaker, San Rafael


"John has helped me improve in strength, stability, and confidence..."

Training with John over the past two years, I’ve learned the importance of core strength, good form, and balanced nutrition. John has helped me improve in strength, stability, and confidence. But most of all, I feel great after every workout.
Marge Kathrein, San Rafael


"He helps you gradually grow into his program while increasing strength, balance, and an awareness of your body..."

Bone spurs around my hip socket stopped me from playing tennis. As a result, I lost the benefits of my primary physical activity and I quickly found myself gaining weight. I also was in increasing pain in and around my back. My doctors diagnosed “degenerative disk disease,” which it turns out, is another name for an aging back. They suggested strong doses of ibuprofen. The medication did not help the pain and did more harm than good.

I began to bruise too easily. In desperation my wife, an R.N. sent me to a personal trainer in the hope (correctly) that an exercise program would be of benefit. I began working with John a year ago. After a year the results of my work with John have been amazing. John designed a program that works “the core” of my body and that has increased my strength, balance, and posture.

I no longer experience back pain and I have returned to an occasional game of tennis. I have become far more in touch with my body and I have learned to play tennis in a way that minimizes any irritation to my hip. It is wonderful to feel healthy again. Better still, John is fun to work with. His exercises are varied and never too difficult. He helps you gradually grow into his program while increasing strength, balance, and an awareness of your body. John listens to his clients. I highly recommend him to anyone seeking physical improvement.
Harry Thomas, Novato


"Nothing changed my game for the better as much as- or as quickly as- working with John on my core, stability, and strength..."

One of my greatest passions in life is golf. Over the years I have spent thousands of dollars on swing lesions, gizmos, gadgets, and dozens of clubs with the “latest” golf technology. Nothing changed my game for the better as much as- or as quickly as- working with John on my core, stability, and strength. With much less effort I am hitting the ball further and with much greater consistency. And no longer are two Advils part of my pre, during, and post-round snack.
Andrew August, San Rafael


"My core strength is better now than it’s ever been..."

When I first met John my back was aching regularly and my body felt like it was in knots. In the past I had enjoyed running, tennis, surfing, and other sports that I was no longer able to do. John showed me how to stretch properly and develop my endurance and strength. My core strength is better now than it’s ever been. I am able to do so much more than before…pain free. Even after rotator cuff surgery, I am feeling better and better all the time. I am back on the tennis court and planning a surfing trip with my son to Costa Rica!
Greg Friedman, Bel Marin Keys


"I consider my workouts with John to be a basic necessity now, up there with water and air..."

I have been working out with John for about 5 years and it has made a tremendous positive difference in my life. After cycling through a few trainers, I found in John someone who genuinely cares about me and who focuses real time and energy to customize a program to help me feel healthier, stronger, and generally better.

John has basically eliminated the pain in my back through exercise and he motivates through a positive attitude combined with deep knowledge of physiology and a great sense of humor. You never feel guilty in working beyond your means or treated with anything but the utmost respect. He is always engaged and uses his great sense of humor to keep the sessions moving while at the same time paying serious attention to my progress and my well-being.

I consider my workouts with John to be a basic necessity now, up there with water and air, because they keep me thinking about my fitness and working to move forward. I would recommend him without any hesitation to anyone at any level of fitness, particularly those who think they have problems that may prevent them from exercising seriously. He knows how to take those issues into account but still give you a challenge and the feeling (and reality) of progress. I am really glad I found him.
Lisa Suennen, Tiburon

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