LegTutor Enhances Range of Motion for Knee Replacement Patients

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Image by Fouquier via Flickr

Pazit Levinger et al conducted a study published in  Springer Link in October 2011.

The purpose of the study was to determine why knee pain and disability still persists following knee replacement surgery (TKR) which will place patients at increased risk of falls. This study looked at the falls risk and the occurrence of falls of people with knee osteoarthritis (OA) before and at 12 months following knee replacement surgery.
The method used in the study was:
Thirty-five patients with knee OA were tested using Physiological Profile Assessment both prior to undergoing knee replacement surgery and also at 12 months following surgery. The Physiological Profile Assessment  is an outcome measure that looks at vision, lower limb proprioception, knee extension strength, reaction time and postural sway. Other outcome measures included Physical activity, number of falls, fear of falling, pain, disability and health-related quality of life were also assessed.
The results  found no significant differences between no’ of falls pre- and post-surgery with 48.5% compared to 40% reporting at least one fall in the 12 months before and following the surgery. Improvement in knee strength/ reaction time/ fear of a fall were seen following surgery. There was no improvement in lower limb proprioception. Self-reported pain, function and stiffness did  significantly improve, but health-related quality of life (HRQOL) deteriorated following the surgery.
The group concluded that persistence of impaired lower limb proprioception may have contributed to the number of falls experienced following knee replacement surgery. In addition, although knee replacement surgery(TKR) improves function and alleviates pain, patients post TKR may need to engage in proprioception rehabilitation following the surgery to reduce the risk of falling.
The LegTutor has shown remarkable success in post knee replacement surgery. The LegTutor™ system has been developed to allow for functional rehabilitation of the lower extremity. Together with the 3DTutor the LegTutor can be used to increase the patients proprioception performance with dedicated games being developed in the rehabilitation software for this outcome. The Tutor system rehabilitation concept, which includes the HandTutor, ArmTutor and 3DTutor, is based on performing controlled exercise rehabilitation practice at a patient customized level including balance and proprioception training. This is achieved with real time accurate feedback on the patient’s performance.  The exercises are designed in the form of challenging rehabilitation games that are suitable for a wide variety of neurological and orthopedic injury and disease. The games challenge the patient to perform the exercise task to their best ability and to continue exercise practice. Exercise practice is the most important manual therapy tool in the armory of physical and occupational therapists to ensure optimal rehabilitation.
The LegTutor™ allows for isolated and a combination of knee and three directional hip treatment. The system provides detailed exercise performance instructions and precise feedback on the patients exercise performance. Controlled exercise of multi joints within the normal movement pattern prevents the development of undesired and compensatory joint movement and ensures better performance of functional tasks.
The LegTutor™ system is used by many leading rehabilitation centers worldwide for both neurological and orthopedic patients including adults and children. the Tutor system holds FDA and CE certification.
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