Force plate technology is used to measure balance, gait, and other parameters of biomechanics, most commonly for medical and athletic performance purposes. In their simplest form, force plates are designed with a single pedestal. More advanced designs feature a pair of rectangular or triangular plates with load cells or triaxial force transducers between them at the corners.
Each year, there are between 1.7 and 3 million sports-related concussions reported, according to the University of Pennsylvania Medical Center in Pittsburgh. Unsurprisingly, 300,000 are football-related. The college also reports that 2 in 10 high school athletes who play contact sports will suffer a concussion this year.
Computerized dynamic posturagraphy (CDP) is one of many technologies used to diagnose balance disorders. As opposed to other balance assessment tests that focus on isolated anatomical components, CDP analyzes multiple. It does this by leveraging the following protocols:
This December, join Bertec and 360 Neuro Health for a live webinar on the clinical use of computerized dynamic posturography (CDP). Presented by Shelly Massingale, PT, MPT, the goal of this event is to provide you with the information you need to better design specific and targeted treatment plans for optimizing therapy outcomes. It will be held on Wednesday, December 4th at 4:30pm CST and has been approved for 1 hour of continuing education credits for physical therapists, physical therapy assistants, occupational therapists, and athletic trainers.
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Performing a videonystagmography (VNG) test has its many benefits. For one, the person being tested can obtain peace of mind from learning the cause of their dizziness. On the other hand, the practitioner can record the test and save the video for further review and future use as training material. This is especially true when you have VNG equipment that features a situational camera.
The video Head Impulse Test (vHIT) is a relatively new test that provides diagnostic and functional information about the vestibular system, specifically the vestibular ocular reflex (VOR.) The vHIT has its roots in the head impulse test (HIT), during which the evaluator quickly moves the patients head from side to side as the patient fixates on a point. The evaluator watches the patient’s eyes to verify that they remain fixated throughout the movement. If the patient is unable to maintain fixation, catch-up saccades will be observed which are indicative of a vestibular deficit. The challenge with the HIT is that, while it is possible to observe catch-up saccades after the head movement has stopped (called overt saccades), it is not possible to see catch-up saccades that occur during the head movement (covert saccades.)
Loss of balance is an all-too-common symptom in medical conditions associated with aging. The brain, muscles, bones, nerves and inner ear all work together to maintain the body’s balance. Because vestibular dysfunction makes it difficult for a person to maintain their balance, they are highly susceptible to falling, which makes it extremely important for them to remain active.
The Video Head Impulse Test, or vHIT, is an instrumented technique that is used to help diagnose reduction in vestibular function in one ear versus the other. Using a lightweight, high-speed video goggle to measure left or right eye velocity and record any abnormalities, vHIT gives hearing health professionals the ability to quickly and objectively measure the vestibular ocular reflex (VOR) in response to a patient’s head movements within the normal range of daily motions.