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Clinical research has shown EMS technology to be an effective treatment for quadriceps atrophy, which is associated with almost all knee injuries and that the use of KNEEHAB® can significantly reduce post-operative rehabilitation time.
- Trial 1The effectiveness of the Kneehab® in strengthening the quadriceps of patients in rehabilitation after anterior cruciate ligament reconstruction
- Trial 2Electrical stimulation versus voluntary exercise in strengthening thigh musculature after anterior cruciate ligament surgery
- Trial 3The effect of neuromuscular electrical stimulation on arthritis knee pain in older adults with osteoarthritis of the knee.
- Trial 4Electrical stimulation effect on extensor lag and length of hospital stay after total knee arthroplasty
- Trial 5Neuromuscular electrical stimulation for quadriceps muscle strengthening after bilateral total knee arthroplasty: a case series
- Trial 6Preoperative Quadriceps Femoris Neuromuscular Electrical Stimulation in Patients Undergoing Total Knee Arthroplasty
Trial 5
Neuromuscular electrical stimulation for quadriceps muscle strengthening after bilateral total knee arthroplasty: a case series
Summary
Participants:8 patients who had undergone total knee replacement surgery.
Methods: Patients were treated two to three times per week for a 6-week period with either EMS and voluntary exercise or voluntary exercise alone.
Results: When left and right knee strength was measured it was found that in 80% of EMS patients their operated knee was stronger then their good knee compared to 0% of patients in the voluntary exercise group.
Full Abstract
Neuromuscular electrical stimulation for quadriceps muscle strengthening after bilateral total knee arthroplasty: a case series
Stevens JE, Mizner RL, Snyder-Mackler L. J Orthop Sports Phys Ther. 2004 Jan;34(1):21-9.
Department of Physical Therapy, University of Florida, Gainesville, FL, USA.
Objective: The purpose of this case series was to assess the effect of high-intensity neuromuscular electrical stimulation (NMES) on quadriceps strength and voluntary activation following total knee arthroplasty (TKA).
Study Design: A case series.
METHODS AND MEASURES: All patients were treated for 6 weeks, 2 to 3 visits per week, in outpatient rehabilitation. Five patients (NMES group) participated in a voluntary exercise program for both knees and NMES for the weaker knee. Three patients (exercise group) participated in a voluntary exercise program for both knees without NMES. For each treatment session, 10 isometric electrically elicited muscle contractions were administered at maximally tolerated doses to the initially weaker leg of the NMES group. Quadriceps strength and muscle activation were repeatedly assessed up to 6 months after surgery using burst superimposition techniques.
Results: At 6 months, the weak NMES-treated legs of 4 of 5 patients in the NMES group had surpassed the strength of the contralateral leg. In contrast, none of the weak legs in the exercise group were stronger than the contralateral leg at 6 months. Changes in quadriceps muscle activation mirrored the changes exhibited in strength.
Conclusion: When NMES was added to a voluntary exercise program, deficits in quadriceps muscle strength and activation resolved quickly after TKA. PMID: 14964588 [PubMed - indexed for MEDLINE]
