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Meet Our Team

Applied Kinesiology Chiropractic


Kristina Matthews


With 15 years of experience in owning chiropractic offices and consulting docs nationwide, Kristina is excited to open her first office in Tennessee. She started as an office manager and has done every job in between. Chiropractic, specifically, muscle testing changed her life. For several years, she watched her son struggle with food and how it was affecting him so greatly. After finding an AK (applied kinesiologist), they were able to work through her son's allergies- his life has been forever changed! Kristina knows first hand what great chiropractic care can do and is passionate about bringing it to our beautiful people of  Spring Hill.

She is the mom to two teenage boys that she has homeschooled for 3 years. You're likely to run into her at Hidden Seed Plant Co. or enjoying a Dragon Roll at Thai Sushi.

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Dr. Armstrong, DC

Dr. Armstrong graduated from the Southern California University of Health Sciences, Los Angeles College of Chiropractic in 2012. During school, he completed a 100-hour course on Applied Kinesiology (AK) and worked with a doctor who specialized in Active Release Technique (ART). He has used AK and myofascial release techniques on his patients to address dysfunction with nutrition, spinal subluxation, posture, and exercise. His own health journey has led him to strive to help people navigate a plethora of health information with an emphasis on holistic, drug-free, and faith-based choices.


He moved across the country over a year ago with his wife Laura and their two beautiful children. Ethan is 9, Aubri is 2 and Olive joined the family at the end of July! They couldn’t be happier to be here in Spring Hill. He's already a regular at The Fainting Goat and has enjoyed perusing Bleu32

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Lisa Strobeck


Lisa is originally from Green Bay, WI, and moved to Spring Hill, TN in 2016.  Lisa served in the Army and Army Reserve for 30 years and retired in 2018.  She is married to her husband Erik. They have two daughters, Rachel and Rebekah, and a son, Jacob.  Lisa is our office receptionist, and she enjoys talking with our patients during each visit.  She is an avid Green Bay Packer fan and is always ready to engage in conversations about “her” team.

Lisa loves getting a massage over at Salted Peace!

Kara Gessler

Assist Auditor

Kara is originally from the Midwest and moved to Thompsons Station in 2017. She graduated from Carroll University with her Masters in Physical Therapy in 1998. Kara worked in both pediatrics and geriatrics, then “retired” to stay home with her children.


Kara has been married to Matt for 24 years and they have 3 children (Grace, Jack, and Beatrice). When she isn’t at Oasis, Kara enjoys walking, yoga, cooking, reading, homeschooling, and spending time with family and friends. You might find Kara enjoying a burger with her family at Jonathan’s or throwing axes with her husband at Faxon’s Hatchet House.


Kara came to Oasis as a patient (for skin issues) and healed much more quickly compared to her previous flare-ups. She was so happy with her care that she became an Oasis employee!

Gigi Lo

Office Manager

Gigi Lo is new to Oasis Health Center, but not new to the holistic lifestyle. Growing up with a father who transitioned from being a full time MD and into the field of entrepreneurship (she saw all her 6 siblings delivered at home) she is happy to step into this role at Oasis! She feels that within this role she can combine her love of helping people take responsibility for their health while also learning more about running a business and making a change in the community. She was unschooled her whole life and has been the “crunchy granola kiddo” for as long as she can remember. She has lived in many different places including spending a year abroad in Germany and has most recently traded the ocean in Florida for the mountains in Tennessee. She loves tea meals and fat books. Her biggest passion is weightlifting. She is currently focused on physique training, but has a history of competing in Strongman where she won regionals and placed 4th at Nationals at 19. You can find her deadlifting at Body Shop Athletic Club or stopping for a coffee at The Fainting Goat on her way back from the gym to work on her lunch break.

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