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Our Sports Medicine Experts

Marilyn Kaminski

Marilyn (Hintz) Kaminski, MS, ATC, LAT, CSCS
Owner, Athletic Trainer, Certified Strength & Conditioning Coach

Marilyn opened Efficient Movement in Scottsdale, Arizona in 2009 with the purpose to share her immense passion of giving youth and adolescent athletes the opportunity to develop their athleticism drastically and decrease non-contact sports injuries substantially. Marilyn is dedicated to continually growing her knowledge of the human body in sports by attending advanced continuing education courses every year. Her innovative methods of sports performance training and sports injury care gets substantial results!

After growing up on a dairy farm in Wisconsin and having multiple knee injuries throughout sports, she graduated with a Bachelor’s degree from Marquette University in Exercise Science and Athletic Training with a minor in Biomedical Sciences, as well as Master’s degree in Sports Health Care from A.T. Still University, with an emphasis on female athletes and knee injuries. Marilyn’s passion for youth and adolescent athletes and experience working in the WNBA, MLB, Division 1 college sports, high school programs, and youth organizations have resulted in an abundant amount of success with her sports performance training and sports injury rehab.

To learn more about Marilyn and her background, visit her on LinkedIn and follow her blog to keep up to date with the latest topics in sports medicine and sports performance.

Josie Harding sports medicine

Josie Harding, MS, ATC, LAT
Licensed & Certified Athletic Trainer, Sports Performance Coach

Josie Harding was raised in the Cowboy state known as Wyoming, and still love the small life country feel. Growing up playing sports my entire life I grew a passion for wanting to help individuals stayed involved in sports. Before I knew it I was heading off to Bismarck,North Dakota to attend the University of Mary a small division two university. During my time in North Dakota I received my Bachelor of Science in Athletic Training with a minor in Health Wellness and Promotion in May 2013. As a student I was lucky to receive a variety of experiences in different settings, which included anywhere from college, high school, hospital and more. After obtaining my Bachelors my drive to wanting to excel my career to the next level I moved to Arizona to attend Graduate school at A.T Still University and work as a Head athletic trainer at a high school and middle school. Gained a Master’s in Science with a focus in Athletic Training. During this time my passion for research and understanding the development process of the athletes body excelled.

Career highlights:

  • · Head ATC at Fountain Hills High School, Fountain Hills, Arizona
  • · Internship with Efficient Movement that lead to this opportunity
  • · Internship in Minor league pro-baseball injury rehabilitation
  • · Provided athletic training services to a multitude of valley-wide youth sporting events
  • · Volunteering time to various research projects that will excel injury prevention in youth athletes


Efficient Movement | 9419 E San Salvador # 103 | Scottsdale, AZ 85258 | (602) 358-8862

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