The Effectiveness of Neuromuscular Electrical Stimulation in Improving Voluntary Activation of the Quadriceps: A Critically Appraised Topic

2017 ◽  
Vol 26 (4) ◽  
pp. 316-323 ◽  
Author(s):  
Cody B. Bremner ◽  
William R. Holcomb ◽  
Christopher D. Brown ◽  
Melanie E. Perreault

Clinical Scenario:Orthopedic knee conditions are regularly treated in sports-medicine clinics. Rehabilitation protocols for these conditions are often designed to address the associated quadriceps strength deficits. Despite these efforts, patients with orthopedic knee conditions often fail to completely regain their quadriceps strength. Disinhibitory modalities have recently been suggested as a clinical tool that can be used to counteract the negative effects of arthrogenic muscle inhibition, which is believed to limit the effectiveness of therapeutic exercise. Neuromuscular electrical stimulation (NMES) is commonly accepted as a strengthening modality, but its ability to simultaneously serve as a disinhibitory treatment is not as well established.Clinical Question:Does NMES effectively enhance quadriceps voluntary activation in patients with orthopedic knee conditions?Summary of Key Findings:Four randomized controlled trials (RCTs) met the inclusion criteria and were included. Of those, 1 reported statistically significant improvements in quadriceps voluntary activation in the intervention group relative to a comparison group, but the statistical significance was not true for another study consisting of the same sample of participants with a different follow-up period. One study reported a trend in the NMES group, but the between-groups differences were not statistically significant in 3 of the 4 RCTs.Clinical Bottom Line:Current evidence does not support the use of NMES for the purpose of enhancing quadriceps voluntary activation in patients with orthopedic knee conditions.Strength of Recommendation:There is level B evidence that the use of NMES alone or in conjunction with therapeutic exercise does not enhance quadriceps voluntary activation in patients with orthopedic knee conditions (eg, anterior cruciate ligament injuries, osteoarthritis, total knee arthroplasty).

2017 ◽  
Vol 22 (6) ◽  
pp. 5-11
Author(s):  
Michael E. Lynch ◽  
Christine A. Lauber

Clinical Question:Is it beneficial to add neuromuscular electrical stimulation (NMES) to a strengthening program after anterior cruciate ligament (ACL) reconstruction surgery?Clinical Bottom Line:There is sufficient evidence to support the inclusion of NMES in a rehabilitation strengthening program post ACL reconstruction. All three included studies reported significant quadriceps strength gains (p < .05) in favor of the group that completed both NMES and strengthening exercises compared with a strength-only group. Two studies initiated NMES within 4 days of surgery. One study found significant quadriceps strength increases when NMES was implemented 6 months after surgery.


2016 ◽  
Vol 25 (1) ◽  
pp. 83-90 ◽  
Author(s):  
Andrew T. Doyle ◽  
Christine Lauber ◽  
Kendra Sabine

Clinical Scenario:Tendinopathies plague many active individuals, causing pain and reducing sport activity by decreasing range of motion and strength. There are many modalities that have been used to treat pain associated with chronic inflammation, such as ultrasound, moist heat packs, and electrical stimulation. Low-level laser therapy (LLLT) is one such modality. Potential benefits of managing pain associated with tendinopathies have been investigated using LLLT. Cellular respiration and metabolism are thought to be increased by LLLT acting on the mitochondrial cytochromes. The effects LLLT may have on cellular activity could increase blood flow to progress the healing process by reducing the pain-spasm cycle. The purpose of this critically appraised topic is to identify the clinical effectiveness of LLLT on pain associated with tendinopathy and to identify the parameters used to achieve statistically and clinically relevant pain outcomes.Focused Clinical Question:What is the effect of LLLT on pain associated with tendinopathy?Clinical Bottom Line:Although LLLT significantly decreases pain from baseline, its use may be no better than placebo or traditional treatments such as ultrasound, moist heat packs, electrical stimulation, or therapeutic exercise to reduce pain associated with tendinopathy. Total accumulated joules across the treatment sessions may need to be taken into account as a parameter.


2015 ◽  
Vol 24 (1) ◽  
pp. 77-82 ◽  
Author(s):  
Megan N. Houston ◽  
Victoria E. Hodson ◽  
Kelda K.E. Adams ◽  
Johanna M. Hoch

Clinical Scenario:Hamstring tightness is common among physically active individuals. In addition to limiting range of motion and increasing the risk of muscle strain, hamstring tightness contributes to a variety of orthopedic conditions. Therefore, clinicians continue to identify effective methods to increase flexibility. Although hamstring tightness is typically treated with common stretching techniques such as static stretching and proprioceptive neuromuscular facilitation, it has been suggested that whole-body-vibration (WBV) training may improve hamstring flexibility.Clinical Question:Can WBV training, used in isolation or in combination with common stretching protocols or exercise, improve hamstring flexibility in physically active young adults?Summary of Key Findings:Of the included studies, 4 demonstrated statistically significant improvements in hamstring flexibility in the intervention group, and 1 study found minor improvements over time in the intervention group after treatment.Clinical Bottom Line:There is moderate evidence to support the use of WBV training to improve hamstring flexibility in physically active young adults.Strength of Recommendation:There is grade B evidence that WBV training improves hamstring flexibility in physically active adults. The Centre of Evidence Based Medicine recommends a grade of B for level 2 evidence with consistent findings.


2017 ◽  
Vol 26 (6) ◽  
pp. 567-572 ◽  
Author(s):  
Kristian J. Hill ◽  
Kendall P. Robinson ◽  
Jennifer W. Cuchna ◽  
Matthew C. Hoch

Clinical Scenario:Increasing hamstring flexibility through clinical stretching interventions may be an effective means to prevent hamstring injuries. However the most effective method to increase hamstring flexibility has yet to be determined.Clinical Question:For a healthy individual, are proprioceptive neuromuscular facilitation (PNF) stretching programs more effective in immediately improving hamstring flexibility when compared with static stretching programs?Summary of Key Findings:A thorough literature search returned 195 possible studies; 5 studies met the inclusion criteria and were included. Current evidence supports the use of PNF stretching or static stretching programs for increasing hamstring flexibility. However, neither program demonstrated superior effectiveness when examining immediate increases in hamstring flexibility.Clinical Bottom Line:There were consistent findings from multiple low-quality studies that indicate there is no difference in the immediate improvements in hamstring flexibility when comparing PNF stretching programs to static stretching programs in physically active adults.Strength of Recommendation:Grade B evidence exists that PNF and static stretching programs equally increase hamstring flexibility immediately following the stretching program.


2017 ◽  
Vol 5 (2_suppl2) ◽  
pp. 2325967117S0010
Author(s):  
Sezen Karabörklü Argut ◽  
Nilgün Türker ◽  
Derya Çelik ◽  
Önder İsmet Kılıçoğlu

Objective: The weakness of the quadriceps strength in patellofemoral pain syndrome (PFPS) is very evident. Therefore, quadriceps strengthening exercises are very important part of the rehabilitation program. Neuromuscular Electrical Stimulation (NMES) is considered one of the methods for increasing quadriceps muscle strength. To evaluate the effectiveness of combined NMES and strengthening exercises to improve the recovery of quadriceps strength and function in patients with PFPS. Methods: This study was planned as a randomized controlled pilot study. A total of 27 patients (mean age=38.9±10.8 years, range=20-60 years; 16 females) with PFPS were assessed and randomly assigned into 2 groups. Group I received a standard program (quadriceps strengthening, hip strengthening and hamstring stretching) and NMES combined with quadriceps strengthening exercises simultaneously. Group II received the same standard program without NMES. Both groups were enrolled 3 times per week for 40 minutes per day in 6 weeks. Patients were assessed at the baseline, 3 rd, 6th, and 12th weeks of treatment. Quadriceps strength was evaluated by isokinetic dynamometer. The range of motion at testing was set between 0 for extension to 90 for flexion. The test was performed at 60 degrees/sn and concentric maximum peak torque value was recorded. Kujala and Lysholm scores were used for functional assessments. The data were analyzed using the SPSS 20.0. Shapiro-Wilk test was used to assess the distribution of data. The changes in dependent variables before treatment, 3 rd, 6th, and 12th weeks were analyzed using a 2 by 4 mixed-model analysis of variance (ANOVA). Pairwise comparisons with paired t test were used to determine whether the Group I or Group II, has changed over time. An intention- to- treat analysis was performed to impute values for missing data. An alpha level of 0.05 was established. Results: The study was completed with 20 patients. Group I (n=10; mean age=39.4±8.5 years; 7 females) and group II (n=10; mean age=43.2±11.7 years; 5 females) had no differences in pre-operative measures (p>.05). There was significant improvements in within groups statistics of all parameters for both groups (p<.05). No differences in quadriceps strength, Kujala and Lysholm scores between groups were found at the different time points (F= 0.86; p = 0.12, F=0,001; p =0.97, F=0.12; p=0.73, respectively) Conclusion: NMES combined with quadriceps strengthening exercises has no additional effect on PFPS patients’ on muscle strength and function. When considering these results, we believe that there is no need to continue the study in progress. [Table: see text]


2017 ◽  
Vol 26 (5) ◽  
pp. 452-458 ◽  
Author(s):  
Barton E. Anderson ◽  
Kellie C. Huxel Bliven

Clinical Scenario:Research has shown a link between poor core stability and chronic, nonspecific low back pain, with data to suggest that alterations in core muscle activation patterns, breathing patterns, lung function, and diaphragm mechanics may occur. Traditional treatment approaches for chronic, nonspecific low back pain focus on exercise and manual therapy interventions, however it is not clear whether breathing exercises are effective in treating back pain.Focused Clinical Question:In adults with chronic, nonspecific low back pain, are breathing exercises effective in reducing pain, improving respiratory function, and/or health related quality of life?Summary of Key Findings:Following a literature search, 3 studies were identified for inclusion in the review. All reviewed studies were critically appraised at level 2 evidence and reported improvements in either low back pain or quality of life following breathing program intervention.Clinical Bottom Line:Exercise programs were shown to be effective in improving lung function, reducing back pain, and improving quality of life. Breathing program frequencies ranged from daily to 2–3 times per week, with durations ranging from 4 to 8 weeks. Based on these results, athletic trainers and physical therapists caring for patients with chronic, nonspecific low back pain should consider the inclusion of breathing exercises for the treatment of back pain when such treatments align with the clinician’s own judgment and clinical expertise and the patient’s preferences and values.Strength of Recommendation:Grade B evidence exists to support the use of breathing exercises in the treatment of chronic, nonspecific low back pain.


2021 ◽  
pp. 026921552110709
Author(s):  
Telma Cristina Fontes Cerqueira ◽  
Manoel Luiz de Cerqueira Neto ◽  
Lucas de Assis Pereira Cacau ◽  
Amaro Afrânio de Araújo Filho ◽  
Géssica Uruga Oliveira ◽  
...  

Objective To evaluate the effects of neuromuscular electrical stimulation on functional capacity of patients in the immediate postoperative period of cardiac surgery. Design A prospective, randomized controlled trial. Setting A cardiac surgery specialist hospital in Aracaju, Sergipe, Brazil. Subjects: Patients in the postoperative period of cardiac surgery. Intervention The control group received the conventional physiotherapy and the intervention group received neuromuscular electrical stimulation of the rectus femoris and gastrocnemius muscles bilaterally, applied for 60 min, twice a day for up to 10 sessions per patient, in the immediate postoperative period until postoperative day 5. Main measures The primary outcome was the distance walked, which was evaluated using the 6-min walk test on postoperative day 5. Secondary outcomes were gait speed, lactate levels, muscle strength, electromyographic activity of the rectus femoris and Functional Independence Measure, some of them evaluated on preoperative and postoperative period. Results Of 132 eligible patients, 88 patients were included and randomly allocated in two groups, and 45 patients were included in the analysis. No significant difference was found on the distance walked ( p = 0.650) between patients allocated in intervention group (239.06 ± 88.55) and control group (254.43 ± 116.67) as well as gait speed ( p = 0.363), lactate levels ( p = 0.302), knee extensor strength ( p = 0.117), handgrip strength ( p = 0.882), global muscle strength ( p = 0.104), electromyographic activity ( p = 0.179) and Functional Independence Measure ( p = 0.059). Conclusions Although the effects are still uncertain, the use of neuromuscular electrical stimulation carried out in five days didn't present any benefit on functional capacity of patients in the immediate postoperative period of cardiac surgery.


2018 ◽  
Vol 33 (2) ◽  
pp. 195-206 ◽  
Author(s):  
Marwa Mekki ◽  
Thierry Paillard ◽  
Sonia Sahli ◽  
Zouhair Tabka ◽  
Yassine Trabelsi

Objective: To investigate the effectiveness of neuromuscular electrical stimulation added to pulmonary rehabilitation on walking tolerance and balance in patients with chronic obstructive pulmonary disease (COPD). Design: Randomized clinical trial. Setting: Outpatient, Faculty of Medicine of Sousse, Tunisia. Subjects: A total of 45 patients with COPD were assigned to an intervention group ( n = 25) or a control group ( n = 20). Interventions: The intervention group underwent a neuromuscular electrical stimulation added to pulmonary rehabilitation, and the control group underwent only a pulmonary rehabilitation, three times per week during six months. Main Measures: Measures were taken at baseline and after six months of training. A stabilometric platform, time up and go, Berg balance scale tests, 6 minute walking test, and the maximal voluntary contraction were measured. Results: In the intervention group, an increase in an exercise tolerance manifested by a longer distance walked in 6 minute walking test 619.5 (39.6) m was observed in comparison to the control group 576.3 (31.5) m. The values of the time up and go, Berg balance scale, and maximal voluntary contraction in the intervention group at follow-up were significantly higher than those in the control group ( P  = 0.02, P  = 0.01, P  = 0.0002, respectively). The center of pressure in the mediolateral and in the anteroposterior directions, as well as the center of pressure area was significantly more improved in open eyes and closed eyes in the intervention group compared to the control group ( P < 0.001). Conclusion: The neuromuscular electrical stimulation added to pulmonary rehabilitation group benefited from better walking tolerance and greater balance improvement than the only pulmonary rehabilitation.


2019 ◽  
Vol 24 (5) ◽  
pp. 186-192
Author(s):  
Jennifer F. Mullins ◽  
Arthur J. Nitz ◽  
Matthew C. Hoch

Clinical Scenario: Chronic ankle instability (CAI) and its associated recurrent sprains, feelings of instability, and decreased function occur in approximately 40% of individuals that suffer an ankle sprain. Despite these continued deficits, more effective treatment has yet to be established. Decreased sensorimotor function has been associated with CAI and may be amenable to dry needling treatment, thereby improving patient-reported outcomes (PROs). Focused Clinical Question: Does dry needling improve PROs in individuals with CAI? Summary of Key Findings: Two studies were identified that examined dry needling in participants with CAI. One of the two studies reported improvements in PROs (PEDro score 7/10) while the other study did not identify any changes (PEDro score 9/10). The inconsistent results were likely related to different treatment durations and follow-up timelines across the included evidence. Clinical Bottom Line: Based on the included studies, there is inconsistent evidence that dry needling can improve PROs in individuals with CAI. Strength of Recommendation: Utilizing the Strength of Recommendation Taxonomy (SORT) guidelines, level B evidence exists to recommend dry needling treatment to improve PROs for individuals with CAI.


2016 ◽  
Vol 25 (4) ◽  
pp. 404-410 ◽  
Author(s):  
Heidi Krueger ◽  
Shannon David

Clinical Scenario:There are 2 approaches available for surgical repair of the Achilles tendon: open or percutaneous. However, there is controversy over which repair is superior.Focused Clinical Question:Which type of surgery is better in providing the best overall patient outcome, open or percutaneous repair, in physically active men and women with acute Achilles tendon ruptures?Summary of Search, “Best Evidence” Appraised, and Key Findings:The literature was searched for studies of level 3 evidence or higher that investigated the effectiveness of open repair versus percutaneous repair on acute Achilles tendon ruptures in physically active men and women. The literature search resulted in 3 studies for possible inclusion. All 3 good-quality studies were included.Clinical Bottom Line:There is supporting evidence to indicate that percutaneous repair is the best option for Achilles tendon surgery when it comes to the physically active population. Percutaneous repair has faster surgery times, less risk of complications, and faster recovery times over having an open repair, although it is acknowledged that every patient has a different situation and best individual option may vary patient to patient.


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