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Your Trusted Partner for Physical Therapy Solutions
Dynamics Physical Therapy is a therapist-owned and operated outpatient clinic dedicated to providing exceptional rehabilitative care across Northern Virginia. With locations in Herndon, Gainesville, and Haymarket, we specialize in individualized treatment plans that combine state-of-the-art equipment, manual therapy techniques, and personalized attention. Our team of highly trained professionals focuses on progressive rehabilitation for conditions ranging from sports injuries and post-surgical recovery to vestibular disorders and concussions.

We prioritize one-on-one care, ensuring patients work with the same provider throughout their recovery journey. Our commitment to open communication with referring physicians and a focus on community health underscores our mission to restore quality of life through evidence-based physical therapy solutions.
Services
Physical Therapy Sports Medicine Post-Surgical Rehab Vestibular Therapy Neurological Rehab Concussion Rehab Arthritis Management Back Pain Treatment Balance Retraining Manual Therapy
Highlights and features
  • Therapist-owned practice with 1:1 personalized treatment sessions
  • Specialized vestibular therapy certified by APTA through Emory University
  • No prescription required for direct access to care in Virginia
  • Early morning and late evening appointment availability
  • Collaborative approach with referring physicians for coordinated care
What people say
Feeling like a person Not rushed through therapy Helped alleviate hesitation Met recovery goals Experienced therapists
Services
Physical Therapy
Our physical therapy programs address musculoskeletal and neurological conditions through customized treatment plans. Using manual therapy techniques and evidence-based exercises, we help patients recover from injuries, manage chronic pain, and improve mobility. Each session provides one-on-one care with licensed therapists focused on restoring functional independence.
Vestibular Therapy
Specialized treatment for balance disorders and vertigo using vestibular rehabilitation techniques. Certified therapists employ canalith repositioning maneuvers and gaze stabilization exercises to address conditions like BPPV and concussion-related dizziness through individualized therapy programs.
Post-Concussion Rehab
Graduated recovery programs for concussion patients following international consensus guidelines. Our certified specialists use neurocognitive assessments and symptom-guided therapy to safely restore physical and cognitive function while monitoring for post-concussion syndrome indicators.
Sports Medicine
Comprehensive care for sports-related injuries including ligament sprains, muscle strains, and overuse conditions. Treatment combines sport-specific functional training with biomechanical analysis to optimize performance and prevent re-injury through structured return-to-play protocols.
Neurological Rehab
Targeted rehabilitation for neurological conditions affecting movement and coordination. Therapists implement evidence-based interventions for stroke recovery, Parkinson's disease management, and balance disorders using task-specific training and adaptive equipment.
People
Dr. David Sahley
Physical Therapist
Board-certified specialist with credentials in orthopedic and manual therapy. Dr. Sahley focuses on evidence-based interventions for complex musculoskeletal conditions, combining advanced clinical expertise with patient-centered care principles.
Dr. Joanne Balint
Vestibular Specialist
Doctor of Physical Therapy with specialized certification in vestibular rehabilitation from Emory University. Dr. Balint has treated diverse patients from youth athletes to seniors, developing individualized programs for balance disorders and post-concussion recovery.
Karen MacLean
Physical Therapist
Experienced clinician providing comprehensive rehabilitation services with focus on orthopedic and post-surgical recovery. Implements evidence-based techniques to restore functional mobility and improve quality of life for patients.
Tamara Riddell
Physical Therapy Assistant
Certified PTA supporting patient care through implementation of therapeutic exercises and modalities under therapist supervision. Committed to delivering compassionate care that aligns with individualized treatment goals.
Questions
Do I need a prescription for physical therapy in Virginia?
No, Virginia's Direct Access program allows evaluation and treatment without physician referral, though insurance requirements may vary.
What insurance plans do you accept?
We accept most major insurance providers, but recommend verifying current coverage details through our interactive portal or office staff.
What should I expect during initial evaluation?
Your first session includes comprehensive assessment, goal setting, and development of individualized treatment plan with immediate therapeutic interventions.
Are evening and weekend appointments available?
Yes, we offer flexible scheduling with early morning and late evening appointments across our three Northern Virginia locations.
How do you handle post-surgical rehabilitation?
We implement surgeon-approved protocols combining manual therapy, progressive exercises, and functional training tailored to surgical recovery timelines.
Can you treat balance and vertigo issues?
Yes, our certified vestibular specialists use evidence-based techniques including Epley maneuvers and balance retraining programs for dizziness and equilibrium disorders.