Effects of the belt electrode skeletal muscle electrical stimulation system on lower extremity skeletal muscle activity: Evaluation using positron emission tomography

Numata, Hitoaki; Nakase, Junsuke; Inaki, Anri; Mochizuki, Takafumi; Oshima, Takeshi; Takata, Yoshinobu; Kinuya, Seigo; Tsuchiya, Hiroyuki

doi:10.1016/j.jos.2015.09.003

Cited by 43 publications

(45 citation statements)

References 19 publications

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“…This study included two groups (EMS group and no training group) but did not compare EMS with any other training intervention. The EMS of 20 Hz that can maintain muscle tension and reduce fatigue with a duty cycle of a 5‐s stimulation period and a 2‐s pause was safely adapted for patients after anterior cruciate ligament reconstruction and for normal subjects . However, more suitable conditions for patients with muscle weakness, that is, a gradual conditioning period, would have maximized the efficacy of the EMS.…”

Section: Discussionmentioning

confidence: 99%

Beneficial Effect of Intradialytic Electrical Muscle Stimulation in Hemodialysis Patients: A Randomized Controlled Trial

et al. 2018

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Many hemodialysis (HD) patients cannot perform self-administered exercise training for their muscle wasting, weakness, and sarcopenia. Electrical muscle stimulation (EMS) has the advantages of easy application, and minimal risks for these patients. This study aimed to evaluate the effects of intradialytic EMS. This was a prospective, open-label, randomized controlled trial. Twenty-nine HD patients were randomly assigned to either the EMS group or the control (no training) group, and 13 patients in each group were eventually analyzed. The EMS group received intradialytic EMS over an 8-week period. Measurement of isometric knee extensor strength using a handheld dynamometer, evaluation of the quadriceps cross-sectional area (CSA) using magnetic resonance imaging (MRI), the Timed Up & Go Test (TUG) for physical function assessment, the Japanese version of the Short Form-8 Health Survey (SF-8), and blood tests were performed before and after the intervention period. The primary and secondary outcomes were improvement of quadriceps muscle strength and size, respectively. The EMS group demonstrated significant improvement compared with the control group in terms of knee extensor strength (right: 22.3 ± 12.8 vs. -10.8 ± 22.3 N, P < 0.001; left: 26.1 ± 29.7 vs. -8.3 ± 18.7 N, P < 0.001), quadriceps CSA at three positions, 25, 50, and 75% of the segment length from the greater trochanter to the inferior border of the lateral epicondyle of the femur (25% right: EMS group 1.7 ± 2.0 vs. Control group -0.4 ± 1.8cm , P = 0.05; 25% left: EMS group 1.3 ± 1.1 vs. Control group -0.6 ± 1.8cm , P = 0.01; 50% right: EMS group 2.0 ± 2.2 vs. Control group -0.7 ± 1.9cm , P = 0.004; 50% left: EMS group 2.7 ± 2.1 vs. Control group -0.7 ± 1.6cm , P = 0.001; 75% right: EMS group 1.8 ± 2.2 vs. Control group -0.7 ± 1.5cm , P = 0.003; 75% left: EMS group 2.1 ± 1.9 vs. Control group -0.4 ± 1.5cm , P = 0.003); and TUG time (-0.8 ± 0.6 vs. 0.2 ± 0.5s, P < 0.001). The EMS group showed improvement after intervention in all components of SF-8, but these were not statistically significant. EMS could be an effective exercise training tool for HD patients with either muscle wasting, weakness, or sarcopenia.

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Section: Discussionmentioning

confidence: 99%

Beneficial Effect of Intradialytic Electrical Muscle Stimulation in Hemodialysis Patients: A Randomized Controlled Trial

et al. 2018

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“…For this study, we used evaluation of femoral muscle volume with computed tomography (CT) scanning, which we reported earlier with high interrater reliability and 3‐dimensional evaluation . As exercise, electrical muscle stimulation (EMS) was introduced into both groups using belt electrode skeletal muscle electrical stimulation, by which whole femoral muscle contraction can be induced …”

Section: Introductionmentioning

confidence: 99%

“…19 As exercise, electrical muscle stimulation (EMS) was introduced into both groups using belt electrode skeletal muscle electrical stimulation, by which whole femoral muscle contraction can be induced. 20,21…”

Section: Introductionmentioning

confidence: 99%

β‐Hydroxy‐β‐methylbutyrate, Arginine, and Glutamine Complex on Muscle Volume Loss in Critically Ill Patients: A Randomized Control Trial

Nakamura

Kihata

Naraba

et al. 2019

J Parenter Enteral Nutr

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Background β‐Hydroxy‐β‐methylbutyrate (HMB), a metabolite of leucine, can strongly induce muscle protein synthesis. We evaluated the efficacy of HMB complex on muscle volume loss during critical care. Methods For this prospective, single‐center, randomized control trial, we created control and HMB groups by random assignment of intensive care unit (ICU) patients for whom enteral nutrition could be performed. From 164 ICU patients, 88 severely ill patients were included and assigned: 43 to control and 45 to HMB. From day 2 after admission, HMB group were administered 3 g HMB, 14 g arginine, and 14 g glutamine daily in addition to standard nutrition therapy. Early rehabilitation with electrical muscle stimulation was started from day 2 in both groups. As a primary outcome, we evaluated femoral muscle volume using computed tomography on days 1 and 10. Results Femoral muscle volumes of 24 control and 26 HMB group participants were analyzed as per protocol. Volumes decreased significantly during days 1–10 (P < 0.0001). Volume loss rates were 14.4 ± 7.1% for control participants and 11.4 ± 8.1% for HMB participants (P = 0.18). In a subgroup of the sequential organ failure assessment scores <10, femoral muscle volume loss was 14.0 ± 6.9% for control participants and 8.7 ± 6.4% for HMB (P = 0.0474). Results of intention‐to‐treat analysis of the 2 groups showed no differences in basic characteristics or outcomes. Conclusions For critically ill patients, HMB complex supplementation from the acute phase of intensive care does not inhibit muscle volume loss.

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“…The anode is set at the distal parts of the thigh, with the cathode at the proximal parts of the thigh and distal parts of the lower leg. The stimulator current waveform is designed to produce co‐contractions in the muscle groups of the lower extremities at a frequency of 20 Hz with a pulse width of 250 μs, and the duty cycle involves stimulation for 5 seconds with a pause for 2 seconds . As stimulation cycles for the bilateral legs are synchronized, both legs are stimulated simultaneously.…”

Section: Methodsmentioning

confidence: 99%

“…EMS is applied to all muscle groups of both legs, including the quadriceps femoris, hamstrings, tibialis anterior, and triceps surae muscles, using belt electrode skeletal muscle electrical stimulation (Auto TENS Pro; Homer Ion Co., Ltd., Tokyo, Japan). 23,24 Six silicon-rubber electrode bands are wrapped around the proximal and distal parts of the thigh and distal parts of the lower leg with Velcro straps (Homer Ion Co.; Figure 2). The anode is set at the distal parts of the thigh, with the cathode at the proximal parts of the thigh and distal parts of the 2011).…”

Section: Ems Protocolmentioning

confidence: 99%

Effects of Acute Phase Intensive Electrical Muscle Stimulation in Frail Elderly Patients With Acute Heart Failure (ACTIVE‐EMS): Rationale and protocol for a multicenter randomized controlled trial

Tanaka

Matsue

Yonezawa

et al. 2017

Clinical Cardiology

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In elderly patients with acute heart failure (AHF), clinical outcome is adversely affected by frailty. Although a number of potentially effective interventions for frailty have been reported, little is known about the effects of rehabilitation programs in frail elderly AHF patients. We postulated that addition of electrical muscle stimulation (EMS), which induces muscle contraction without requiring patient volition, to early rehabilitation would be efficacious in frail elderly AHF patients. The ACTIVE‐EMS (Effects of Acute Phase Intensive Electrical Muscle Stimulation in Frail Elderly Patients With AHF; UMIN000019551) trial is a multicenter, randomized controlled trial that will enroll 80 patients from 3 hospitals in Japan. AHF patients age ≥ 75 years positive for frailty, defined as Short Physical Performance Battery score 4 to 9, will be randomly assigned to receive early rehabilitation program only or EMS add‐on therapy for 2 weeks. The primary endpoint of the trial is the change in quadriceps isometric strength between baseline and 2 weeks, with changes in physical function and cognitive function, and clinical safety and feasibility of EMS therapy as secondary outcomes. ACTIVE‐EMS is the first randomized trial to evaluate the clinical effectiveness of adding EMS therapy to early rehabilitation in frail elderly AHF patients. The results of this study will provide insight for the development of appropriate rehabilitation programs for this high‐risk population.

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Effects of the belt electrode skeletal muscle electrical stimulation system on lower extremity skeletal muscle activity: Evaluation using positron emission tomography

Cited by 43 publications

References 19 publications

Beneficial Effect of Intradialytic Electrical Muscle Stimulation in Hemodialysis Patients: A Randomized Controlled Trial

Beneficial Effect of Intradialytic Electrical Muscle Stimulation in Hemodialysis Patients: A Randomized Controlled Trial

β‐Hydroxy‐β‐methylbutyrate, Arginine, and Glutamine Complex on Muscle Volume Loss in Critically Ill Patients: A Randomized Control Trial

Effects of Acute Phase Intensive Electrical Muscle Stimulation in Frail Elderly Patients With Acute Heart Failure (ACTIVE‐EMS): Rationale and protocol for a multicenter randomized controlled trial

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