Golfers Elbow

Tendon clinic

Make NYDN Rehab Clinic Your Training Partner for the NYC Marathon

Running Gait Re-Training

Anatomy in motion


Running Services

Biofeedback Motor Control Training and Analysis

Biomechanical Analysis With Real Time Force Plate Technology Biomechanical analysis can register the forces involved with athletic movement. When these forces exceed normal there is excessive stress to joints, muscles and ligaments. The excessive forces are always the result of poor muscle coordination, improper technique (motor control) and muscular weakness. The in depth biomechanical analysis […]

Biomechanical Analysis With Real Time Force Plate Technology

At NYDNR we use most advanced force plate technology and 3D video analysis to evaluate biomechanics of an athlete in motion. This cutting edge analysis is of particular importance to runners and athletes who are involved in cutting and jumping movements. Why athlete needs biomechanical analysis? Biomechanical analysis can register the forces involved with athletic […]

Functional Movement Screen

In today’s world, calling something a “screen” inevitably conjures images of tablets, monitors, TVs, and LCD, but functional movement screen (FMS) is quite different. It’s an early-detection system primarily used for runners and athletes that uses seven key tests to measure physical strength and coordination. It is, in the words of its founder, Lee Burton, […]

130 West 42 Street Suite 1055, New York NY 10036

In this instance, an athlete was originally diagnosed with minor quadriceps muscle strain and was treated for four weeks, with unsatisfactory results. When he came to our clinic, the muscle was not healing, and the patients’ muscle tissue had already begun to atrophy.

Upon examination using MSUS, we discovered that he had a full muscle thickness tear that had been overlooked by his previous provider. To mitigate damage and promote healing, surgery should have been performed immediately after the injury occurred. Because of misdiagnosis and inappropriate treatment, the patient now has permanent damage that cannot be corrected.

The most important advantage of Ultrasound over MRI imaging is its ability to zero in on the symptomatic region and obtain imaging, with active participation and feedback from the patient. Using dynamic MSUS, we can see what happens when patients contract their muscles, something that cannot be done with MRI. From a diagnostic perspective, this interaction is invaluable.

Dynamic ultrasonography examination demonstrating
the full thickness tear and already occurring muscle atrophy
due to misdiagnosis and not referring the patient
to proper diagnostic workup

Demonstration of how very small muscle defect is made and revealed
to be a complete tear with muscle contraction
under diagnostic sonography (not possible with MRI)


Complete tear of rectus femoris
with large hematoma (blood)


Separation of muscle ends due to tear elicited
on dynamic sonography examination

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