Celebrating Movement

ˈmo͞ovmənt/ : Motion, your position in space and time, a group of people with a shared vision, a new way to think.


Your physical being is an important element of how you experience life through body, mind and spirit. How you move through the world, figuratively and literally, is important to us. Human movement is so amazing and complex, that we believe it deserves a depth of study equally impressive, and a variety of methods to solve problems.

Our clinicians all have a deep and personal understanding of how important it is to be able to be active, and how difficult it is when something impedes that ability. We have chosen our professional pathway not just to make a living, but instead to make a difference, in the lives of our clients as well as in contributing to our profession and our communities.

Our Team

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K. Bruk Ballenger

Doctor of Physical Therapy, Founder of Prevail Practices, Biomechanics and Sports Medicine specialist, custom orthotics

Bruk Became a U.S. Army Physical Therapy Specialist in 1989, earned a B.S. in Physical Therapy in 1997, and a Doctorate in Physical Therapy in 2015. He has an eclectic PT experience, but specializes in working with athletes and active people. He has extensive manual therapy experience, but takes a legitimate biomechanical approach in diagnostic evaluation and treatment strategies. Bruk’s philosophy is to empower clients to engage in their therapeutic process through knowledge and hands-on assistance.

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Alison Gillespie

Doctor of Physical Therapy. Specialist in Bike Fitting and Sports Biomechanics. RRCA Running Coach.

Alison has worked in the outpatient orthopedic setting since graduating from the University of Washington and employs a variety of physical therapy techniques. She strongly believes in education and preventative maintenance to allow patients to actively participate in their own care. She did a residency program in manual therapy with the Ola Grimsby Institute and training in bike fitting through Michael Sylvester of Bicycle Fitting Services and Kit Vogel of CyclePoint.  

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Cari Matthews

Physical Therapy Assistant, Metabolic Efficiency Specialist, Endurance Multisport

Cari Matthews brings to Prevail Physical Therapy extensive personal and professional experience and passion for endurance sports. Cari enjoys blending her skills as a Physical Therapy Assistant and endurance multisport coach to bring unique insight and value to her patients and clients. She is certified in Advanced Biomechanics of the Lower Extremity and is trained in multiple bike fitting methodologies. Cari is also one of just a handful of Metabolic Efficiency Training Specialists (METS level II).

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Annie Beyer

Front Desk Coordinator. Health Coach. Strength and Conditioning Coach.

Annie has always had a passion for movement and a desire to empower others through movement. Throughout college, she pursued martial arts, CrossFit, functional fitness, and exercise physiology. She now instructs self defense seminars for the Seattle area, and coaches fitness classes at Alpha Martial Arts. Her passion for movement led Annie to physical therapy and corrective exercise. Now, Annie is a certified Health Coaching through Emory University.  Her vision is to help people from all walks of life find their happiest, healthiest path.


Our clinicians all have a deep and personal understanding of how important it is to be able to be active, and how difficult it is when something impedes that ability. We have chosen our professional pathway not just to make a living, but instead to make a difference, in the lives of our clients as well as in contributing to our profession and our communities.


Physical Therapy

There is no standardization in the types or quality of physical therapy services available to the public, so we encourage you to be a discerning consumer. Although we are unique in our specialty areas, our essential service is physical therapy. We believe that you deserve to get the most out of your investment of time and money when you come to PT, so we use a service model designed to give that to you.



Serving the unique needs of cyclists of all abilities has been a specialty of our clinicians for many years. Most of these services can be covered by insurance if they are included in a course of physical dealing with pain, injury, or injury prevention. Our clinician have extensive training in bike fitting, cycling biomechanics, and of course personal riding experience. We have a rich history of supporting cycling organizations and events; contact us if your organization is interested in sponsorship.



Running is by far the most complex movement that is intrinsic to humans. A thorough video analysis and clinical exam are the bare minimum needed to start addressing running challenges. Our clinicians are experienced runners who have undergone advanced training in the biomechanical assessment of running. You will not find a team that is better suited to solving your running issues than right here at Prevail PT! We serve beginning runners, professionals, and all abilities in between.

We have a rich history of supporting running organizations and events; contact us if your organization is interested in sponsorship.


P.E.A.R.L. Performance Lab

P.E.A.R.L. (Performance Enhancement And Rehab Lab) is a collection of specialized tools and methods to perform legitimate biomechanical analysis of your unique movement. Our clinicians have extensive training and experience unlike any others to conduct tests, evaluate data, identify and prioritize problems, and provide corrective strategies. All ages and abilities are appropriate for these methods, which can be creatively adapted for a wide variety of movement study. It is especially helpful in cases regarding; walking/running, athletic movement, cycling, and prescription rational for custom orthotics, identifying loading patterns for joint health, repetitive stress injuries, and more.



Custom Foot Orthotics are one way of treating lower extremity issues by altering how ground reaction forces are transferred through the foot, the posture of the foot, and how the foot moves, and how these things affect the rest of the limb and body.

Quite often problems can be adequately addressed with over-the-counter insoles that can be modified with custom corrections, so we offer Superfeet insoles available for retail purchase and correction.


AlterG Antigravity Treadmill

What it’s good for –

Allowing you to walk or run with no pain while maintaining a normal gait

Train without pain and reduce the stress to joints and muscles, and injured areas of your lower body

Lose weight and exercise more intensively while unweighted


How do I schedule an appointment or find out more information?
What is the cost, and how are payments made?
What to expect on my first appointment?
Are specialty services covered by insurance?
How much does it cost to use the AlterG Antigravity Treadmill?
Do you accept insurance?
How do I schedule an appointment or find out more information?

Call (206) 788-8807, or email Support@PrevailPT.com

What is the cost, and how are payments made?

If we are using your health insurance benefits, then your insurance company will dictate reimbursement based on the evaluation and treatment procedures performed each visit. As a rough estimate, use $125 per visit, so if you have a 10% co-insurance, then your cost will be $12.50. Every insurance plan is different, so please understand your particular benefits. Co-insurance costs will be billed to you after insurance reimbursement. Copays are collected at time of service. Deductibles may increase your up-front cost.

Many of our clients opt to pay out-of-pocket for their services. We can supply the necessary documentation for you to provide your insurance company for possible reimbursement if we are not contracted with your insurance company. Our cash payment rate is $130 per hour. Sponsored groups may receive a 25% discount on cash services. Payment plans are available if agreed upon before starting a course of therapy, otherwise payment is collected at the time of service. Cash, check and credit cards are accepted as forms of cash payment. A Ten-visit package can be pre-purchased for $1,000.

Health Savings Accounts (HAS) and Flexible Savings Accounts (FSA) may be utilized for physical therapy services, co-pays, co-insurances, deductibles, etc.

What to expect on my first appointment?

Before your appointment we will communicate via email or telephone, to discuss;

  • Scheduling
  • Payment/insurance information
  • Demographic intake information
  • Facility access
  • The issues that you need help with and your goals

Please arrive ten minutes early to your first appointment to finish up any remaining paperwork not completed beforehand. Your therapy time will be more efficiently utilized during the first visit if all of your initial paperwork is complete before your appointment time. We can also optimize time if you procure any relevant imaging reports or medical notes and send them to us before your first visit, as well write via email, a narrative regarding your current issues, ideally with a history of other injuries and issues, before your first visit.

Bring appropriate dress: shorts for lower extremity issues (and appropriate footwear), and tank top/T-shirt for upper extremity issues. Plan on at least 60 minutes for each visit.

Are specialty services covered by insurance?

Specialty services are typically covered by normal health insurance physical therapy benefits, if they are an indicated part of a logical treatment plan and meet the definitions of medical necessity.

How much does it cost to use the AlterG Antigravity Treadmill?

For clients who are participating in an active course of therapy with us, the AlterG use is free. We have time rental options available for non-clients, click here for more information.

Do you accept insurance?

We are in-network providers with some insurances, and currently working on gaining access to others. Contact us for the most up-to-date status.



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Important facility notes


Prevail PT is located inside a fitness facility called Get Strong First, which is located in the same building as the Rat City Rollergirls. Our entrance is on the North side of the building just around the corner from the garage door. You will know you are in the right place if you open the door and immediately see indoor field turf. Walk across the turf to the far end to the clinic entrance on the left.  See below for parking instructions. Bring our phone number with you in case you have any difficulties: (206) 788-8807.



There is abundant parking in the lot on the South side of the building,  but the closest parking to our entrance is an unpaved area by the large, white garage door on the North side, which is accessed by heading Eastbound on 192nd immediately off of Aurora Ave N. (Hwy 99).

Disabled entry: Disabled parking is available on the West side of the building in front of the Rat City Roller Girls entry. The doors at this entry may be locked. Please call (206) 788-8807 upon arrival if the door is locked, or if it is your first visit, so that we may personally guide your access.

Contact Information:

Office Number: (206)-788-8807     Fax Number: (866) 329-2785

Address: 19022 Aurora Ave N. Suite B Shoreline, WA 98133

Here’s a link: http://getstrongfirst.com/facility

Book an appointment