Welcome to the Physical Therapy clinic at the Nashville Hip Institute at TOA. As members of a premier team approach to the assessment and treatment of pain and disorders of the hip and pelvis, we strive to assist our patients in every way in getting back to the life they want to live. Whether you are a professional athlete, weekend warrior, or simply just want to care for yourself and your family without pain and dysfunction, our team is here for you.

The mission of NHI at TOA Physical Therapy is to be a global resource in providing world class clinical care that incorporates the latest in technology, research, and education to best serve our patients needs.

Please browse and learn, and as always feel free to reach out directly to us with any questions.

Our Physical Therapy Team at Nashville Hip Institute at TOA

Michael Voight
Michael VoightPT, DHSc, SCS, OCS, ATC, CSCS, FAPTA

Dr. Voight is a clinician, educator, and researcher who is regarded as one of the leading musculoskeletal physical therapists in the world. Throughout his career of over 30 years, he has become an international authority in the rehabilitation of hip pathologies and sports related injuries. Dr. Voight is recognized as a Certified Athletic Trainer and Certified Strength and Conditioning Specialist. His clinical work, educational platform and academic pursuits set the foundation of the Nashville Hip Institute at TOA Physical Therapy division’s mission for excellence.

An experienced clinician with the hip disorders and with athletic injury, Dr. Voight defines the standards of care for Nashville Hip Institute at TOA patients. Outside of NHI, he has served as a Team Physical Therapist in the NFL and NBA. In addition, Dr. Voight has consulted with various teams in MLB, NHL and the MLS. Early in his career he became active within the United States Olympic Committee’s Sports Medicine Division. He has worked at the Olympic Training Center, Olympic Festivals, Pan Am Games, Olympic Games, and has had the opportunity to travel to almost all of the different continents with various Olympic and national teams. Dr. Voight maintains a clinical practice specializing in orthopedic and sports related injuries, particularly with PGA tour players. His role with the advisory board of the Titleist Performance Institute allows him to consult on the prevention, evaluation, and treatment of golf injuries with many golf professionals. His tireless work towards advancing clinical techniques and studying patient outcomes elevates NHIPT’s physical medicine and rehabilitation protocols beyond any known standard.

Dr. Voight is recognized as a clinical educator of the highest caliber. Besides being a clinician at the Nashville Hip Institute at TOA, Dr. Voight is a tenured professor with Belmont University’s School of Physical Therapy in Nashville and an Adjunct Associate Professor in the Vanderbilt School of Medicine. He has been awarded the Distinguished Educator Award from the Sports Physical Therapy Section three times, making him the only person to have been presented this award multiple times. In 2010 he was presented with the inaugural SPTS “Lifetime Excellence in Education Award”. Additionally, he has been awarded the Tennessee Educator of the twice. Dr. Voight has lectured extensively at conferences, symposiums, and congresses nationally and internationally, having given over 800 professional presentations on a variety of orthopedic and sports medicine topics. Dr. Voight holds a senior teaching position for the North American Institute of Sports Physical Therapy (www.rehabeducation.com).
Dr. Voight has an extensive academic record as author of over 80 papers and textbook chapters, and having written three textbooks on functional exercise. He is a principle reviewer for the prestigious American Journal of Sports Medicine, and actively resides on the editorial boards of several different journals. He played an instrumental role in the development of the North American Journal of Sports Physical Therapy and is currently the Editor-in-Chief of the International Journal of Sports Physical Therapy.
Dr. Voight has played a key role in developing clinical functional movement assessment tools for both prevention and evaluation of injury. These assessment systems are recognized internationally as one standard for evaluating movement. As one of the co-founders of the Selective Functional Movement Assessment (SFMA), his passion for assessing and training the human movement system continues to evolve. He was recently appointed by the APTA Board of Directors to the APTA movement system task force. In this role, Dr. Voight has worked with the task force and APTA to further define the human movement system and develop a framework for promoting and integrating the concept of the human movement system into physical therapy practice, education, and research.
In 1997, he was presented the Sports Physical Therapy Section’s (SPTS) distinguished service award for his dedication to service. In 2008, he was presented the President’s award for his career of service to the SPTS and was also presented the prestigious Ron Peyton award for career achievement. In 2010, Dr. Voight was elected into the SPTS Hall of Fame for a lifetime of excellence in sports physical therapy. His many accomplishments were again validated in 2011 when the American Physical Therapy Association presented Dr. Voight with their highest honor, naming him a Fellow of the APTA. In addition to being active within the field of physical therapy, Dr. Voight is an active member in numerous medical societies (AOSSM, ISHA, ESSKA, ISAKOS) and was one of the founding members of the ICCUS Society.

Ashley Campbell
Ashley Campbell PT, DPT, SCS, CSCS

Ashley graduated with her Doctorate in Physical Therapy from Belmont University after completing her BS in Exercise Physiology at Ohio University. She is a Board Certified Specialist in Sports Physical Therapy as well as a Registered International Sports Physical Therapist and Certified Strength and Conditioning Specialist.

Ashley has worked extensively with athletes at all levels including PGA, NFL, NBA, NHL, and MLB. She enjoys utilizing a variety of manual therapy techniques in clinical practice including IASTM and Trigger Point Dry Needling which she feels are a great adjunct to joint mobilizations and corrective exercise in developing a well-rounded and effective plan of care, especially in hip patients.

Ashley lectures nationally and internationally on topics ranging from hip rehabilitation, to injury prevention and functional movement, including speaking at the International Society for Hip Arthroscopy. She is a lead instructor with Advances in Clinical Education, and holds an Adjunct Faculty position with Belmont University’s School of Physical Therapy in Orthopedics and Sports Medicine. She serves as the managing editor of the International Journal of Sports Physical Therapy and has won awards for leadership and clinical skills from Belmont University and the APTA’s Sports Physical Therapy Section.

Casey Rae Lewis
Casey Rae LewisPTA, ATC, ACSM EP-C

Casey started her career by earning a Bachelor Degree in Exercise Science from the University of Tennessee, Knoxville in 2003. While there, she worked as a student athletic trainer with the women’s athletic department and travelled with the Lady Vols basketball team. Upon graduation, Casey became a certified athletic trainer, moved to Nashville, and started her sports medicine career covering athletic teams at a local high school. She has since worked with other local orthopedic surgeons and outpatient rehabilitation clinics, taking care of a diverse population of patients from “weekend warriors” to professional athletes. Casey herself danced with regional ballet companies throughout high school and college giving her first -hand experience of the role of injury prevention and rehabilitation.

In May of 2017, Casey graduated Volunteer State Community College transitioning her career to a state licensed physical therapist assistant (PTA). During her final clinical affiliation, Casey spent several weeks as a student PTA at Nashville Hip Institute at TOA learning the ins and outs of the hip and pelvis. The NHI team was thrilled to add Casey to the clinical staff upon graduation and her patients could not be luckier to have her around. Casey has a passion for seeing patients through from start to finish and takes pride in all the success and milestones, big and small in the clinic. In addition to being a licensed PTA, and Certified Athletic Trainer, Casey also holds the ACSM exercise physiologist certification which allows her to utilize both manual therapy and exercise to assist patients in progressing through pain and injury.

Ken Jenkins
Ken JenkinsPT, DPT

Ken joined the NHI team in June 2018. Ken began his journey into PT in a different fashion, graduating from the University of Tennessee with a degree in philosophy and a minor in Geology. Prior to attending physical therapy school he was a member of the United States Air Force but had to give up this dream due to injury. In part due to his own battles with physical injury, Ken was drawn to the Physical Therapy profession. He ultimately graduated from Belmont University with a Doctorate in Physical Therapy and began practicing in Frisco, TX as a member of the EXOS Performance Physical Therapy team.

Ken has worked with athletes of all levels and types from Olympic athletes to professionals; juniors to masters. He practices a holistic, integrative functional approach to movement and exercise as well as a thoroughly hands-on approach to resolving pain and restoring performance. Ken is certified in Integrative Dry Needling and incorporates a variety of other clinical tools into practice including, but not limited to IASTM, functional range conditioning (FRC®), and blood flow restriction.

Personally, Ken has practiced Bikram and Vinyasa yoga for several years as well as participating in CrossFit and MMA. He is a Nashville native and enjoys spending time with his wife Kate and their 3 dogs. Fun fact…Ken also competes at the National and International level in the cooperative board game, “Pandemic” and was the National Champion in both 2015 and 2016!

Sarah Gill
Sarah GillPT, DPT
Sarah is a Nashville native that graduated Cum Laude from Belmont University with a major in Exercise Science and a minor in Athletic Training. Sarah then went on to obtain her Doctorate of Physical Therapy from The University of Tennessee Health Science Center in Memphis, TN where she was the Vice President of her class.

In clinical practice, Sarah has enjoyed working with a variety of athletes including collegiate baseball, volleyball, basketball, and track. As a former cheerleader, Sarah is passionate about injury prevention in young female athletes and has participated in injury screening for gymnasts and cheerleaders. Sarah utilizes a variety of clinical approaches including dry needling and sport-specific movement screenings in order to best restore her patients to optimal function. Sarah believes in a restorative and holistic model of healthcare and is passionate about treating the entire patient.

In her free time, Sarah enjoys spending time with her husband, Brad and their Siberian Husky, Lucy. You will often find her training for a half-marathon or attending a Barre class. Sarah is a fun-loving, compassionate therapist who values creating meaningful connections with her patients and her community.

Kristyn (Kris) Harris
Kristyn (Kris) HarrisPT, DPT

Kristyn, known as “Kris” at NHI is originally a native of western Kentucky. She graduated from Murray State University with a Bachelors in Exercise Science and a focus of physical therapy. She also developed hands-on experience with athletic training prior to solidifying physical therapy was her chosen path. Kris then went on to obtain a Doctorate in Physical Therapy from Belmont University in Nashville, TN. During her studies at Belmont, she was part of clinical research study with the Nashville Ballet centered on hip kinematic motion analysis to prevent injuries in professional ballet dancers. Sustaining her own personal injury in sport, Kris feels passionate about injury prevention and management across all populations.

As a therapist she has worked with various patient populations from professional athletes of multiple disciplines including NHL, PBR and MLB to those who are every day active movers in the community. She integrates various treatment methods within patient care including shockwave therapy, laser therapy, integrative dry needling, blood flow restriction and assorted methods of soft tissue mobilization. These combined with exercise prescription and functional movement patterns create a holistic approach for her patients to achieve their functional goals. She is also an APTA credentialed clinical instructor who enjoys sharing her knowledge with students and learning from them as well to stay clinically rounded within the profession.

Outside of the clinic Kris enjoys spending time traveling with her husband, Tyler. She is an avid hiker with a National Park bucket list and is fond of ziplining, kayaking and all things outdoors. Kris participates in various methods of cardio and weightlifting for her own form of movement in the gym. She finds pleasure in giving back to others and is a volunteer for a network known as Faith in Practice and travels on medical mission trips integrating her skills to those less fortunate and underserved.

Get In Touch

Fax: 615-284-5819


New patient evaluation

Physical therapy

Follow-up patient care


Nashville Hip Institute at TOA
2004 Hayes Street
Suite 700
Nashville, TN  37203

Office Hours

8:00 am – 5:00 pm