1
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Buchanan WW, Rainsford KD, Kean CA, Kean WF. Treatment of rheumatic musculoskeletal disorders. Inflammopharmacology 2024; 32:29-36. [PMID: 37632655 DOI: 10.1007/s10787-023-01312-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 07/24/2023] [Indexed: 08/28/2023]
Abstract
Non-medicinal therapies with water, salts, exercise, massage, supportive devices, and electricity have been used for centuries and continue to be of benefit for some people with musculoskeletal disorders. Historical texts refer to the two electuaries mithridatium and theriaca as early therapeutic attempts of man to provide relief of musculoskeletal symptoms and attempt disease cures. For over 200 years, morphine-derived products have been used for musculoskeletal pain. The development of acetyl salicylic acid was a major breakthrough in joint pain management. This was followed by the introduction of nonsteroidal anti-inflammatory agents, paracetamol, and the use of corticosteroids. The gold-based compounds were the initial disease-modifying drugs and have been followed by the highly successful biologics agents. The basic objectives of musculoskeletal pain management include: reduction or elimination of joint pain; improvement or restoration of joint function and mobility; improvement of muscle strength to protect cartilage, ligaments, and joint capsule; prevention and reduction of damage to joint cartilage and supporting structures.
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Affiliation(s)
- W Watson Buchanan
- Department of Medicine, McMaster University, Hamilton, ON, L8P 1H6, Canada
| | | | - Colin A Kean
- Haldimand War Memorial Hospital, 400 Broad Street, Dunnville, ON, N1A 2P7, Canada
| | - Walter F Kean
- Department of Medicine, McMaster University, Hamilton, ON, L8P 1H6, Canada.
- Haldimand War Memorial Hospital, 400 Broad Street, Dunnville, ON, N1A 2P7, Canada.
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2
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Shen S, Zhao C, Wu C, Sun S, Li Z, Yan W, Shao Z. Allosteric modulation of G protein-coupled receptor signaling. Front Endocrinol (Lausanne) 2023; 14:1137604. [PMID: 36875468 PMCID: PMC9978769 DOI: 10.3389/fendo.2023.1137604] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 01/31/2023] [Indexed: 02/18/2023] Open
Abstract
G protein-coupled receptors (GPCRs), the largest family of transmembrane proteins, regulate a wide array of physiological processes in response to extracellular signals. Although these receptors have proven to be the most successful class of drug targets, their complicated signal transduction pathways (including different effector G proteins and β-arrestins) and mediation by orthosteric ligands often cause difficulties for drug development, such as on- or off-target effects. Interestingly, identification of ligands that engage allosteric binding sites, which are different from classic orthosteric sites, can promote pathway-specific effects in cooperation with orthosteric ligands. Such pharmacological properties of allosteric modulators offer new strategies to design safer GPCR-targeted therapeutics for various diseases. Here, we explore recent structural studies of GPCRs bound to allosteric modulators. Our inspection of all GPCR families reveals recognition mechanisms of allosteric regulation. More importantly, this review highlights the diversity of allosteric sites and presents how allosteric modulators control specific GPCR pathways to provide opportunities for the development of new valuable agents.
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Affiliation(s)
| | | | | | | | | | - Wei Yan
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhenhua Shao
- Division of Nephrology and Kidney Research Institute, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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3
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Iwanaga S, Matsuse H, Hashida R, Bekki M, Kawaguchi T, Shiba N. The Effect of Walking Combined with Neuromuscular Electrical Stimulation on Liver Stiffness and Insulin Resistance in Patients with Non-alcoholic Fatty Liver Disease: An Exploratory Randomized Controlled Trial. Kurume Med J 2023; 67:137-146. [PMID: 36450482 DOI: 10.2739/kurumemedj.ms674001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Increased liver stiffness and insulin resistance are important therapeutic targets in patients with nonalcoholic fatty liver disease (NAFLD). A hybrid training system (HTS) has been developed which combines application of electrical stimulation and volitional contractions. We compared the effect of walking exercise (5.6 km/h) both with and without simultaneous HTS on liver stiffness and insulin resistance. In a single-blind, controlled trial, 32 subjects with NAFLD were randomized to 12 weeks of triweekly 30 minute walking exercise with either HTS (HTS group) or without HTS (control group). Transient elastography for the assessment of liver stiffness, body weight, visceral fat, the homeostasis model assessment of insulin resistance, fasting blood glucose, serum aspartate aminotransferase, alanine aminotransferase, and gamma-glutamyl transpeptidase were evaluated. Data were evaluated using the linear model after adjusting the baseline value. In the subjects with BMI of 27 kg/m2 or more, the decrement of transient elastography in the HTS group was significantly larger than in the control group (mean ± standard error: Δ2.13 ± 0.64 kPa vs. Δ-0.67 ± 0.42 kPa, p=0.0009). There were no significant differences between groups in other endpoints. These results showed that simultaneously combining electrical stimulation with walking exercise could potentially improve liver stiffness in people who have NAFLD. In fact, because the exercise effect was increased by HTS without increasing the walking speed, this HTS could be especially useful for obese or overweight subjects, in whom NAFLD and joint problems often coexist. However, its effects on insulin resistance and body composition were not clear.
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Affiliation(s)
- Sohei Iwanaga
- Division of Rehabilitation, Kurume University Hospital
| | - Hiroo Matsuse
- Division of Rehabilitation, Kurume University Hospital
| | - Ryuki Hashida
- Division of Rehabilitation, Kurume University Hospital
| | | | - Takumi Kawaguchi
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine
| | - Naoto Shiba
- Division of Rehabilitation, Kurume University Hospital
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4
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Balke M, Teschler M, Schäfer H, Pape P, Mooren FC, Schmitz B. Therapeutic Potential of Electromyostimulation (EMS) in Critically Ill Patients—A Systematic Review. Front Physiol 2022; 13:865437. [PMID: 35615672 PMCID: PMC9124773 DOI: 10.3389/fphys.2022.865437] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/01/2022] [Indexed: 12/15/2022] Open
Abstract
Ample evidence exists that intensive care unit (ICU) treatment and invasive ventilation induce a transient or permanent decline in muscle mass and function. The functional deficit is often called ICU-acquired weakness with critical illness polyneuropathy (CIP) and/or myopathy (CIM) being the major underlying causes. Histopathological studies in ICU patients indicate loss of myosin filaments, muscle fiber necrosis, atrophy of both muscle fiber types as well as axonal degeneration. Besides medical prevention of risk factors such as sepsis, hyperglycemia and pneumonia, treatment is limited to early passive and active mobilization and one third of CIP/CIM patients discharged from ICU never regain their pre-hospitalization constitution. Electromyostimulation [EMS, also termed neuromuscular electrical stimulation (NMES)] is known to improve strength and function of healthy and already atrophied muscle, and may increase muscle blood flow and induce angiogenesis as well as beneficial systemic vascular adaptations. This systematic review aimed to investigate evidence from randomized controlled trails (RCTs) on the efficacy of EMS to improve the condition of critically ill patients treated on ICU. A systematic search of the literature was conducted using PubMed (Medline), CENTRAL (including Embase and CINAHL), and Google Scholar. Out of 1,917 identified records, 26 articles (1,312 patients) fulfilled the eligibility criteria of investigating at least one functional measure including muscle function, functional independence, or weaning outcomes using a RCT design in critically ill ICU patients. A qualitative approach was used, and results were structured by 1) stimulated muscles/muscle area (quadriceps muscle only; two to four leg muscle groups; legs and arms; chest and abdomen) and 2) treatment duration (≤10 days, >10 days). Stimulation parameters (impulse frequency, pulse width, intensity, duty cycle) were also collected and the net EMS treatment time was calculated. A high grade of heterogeneity between studies was detected with major cofactors being the analyzed patient group and selected outcome variable. The overall efficacy of EMS was inconclusive and neither treatment duration, stimulation site or net EMS treatment time had clear effects on study outcomes. Based on our findings, we provide practical recommendations and suggestions for future studies investigating the therapeutic efficacy of EMS in critically ill patients. Systematic Review Registration: [https://www.crd.york.ac.uk/prospero/], identifier [CRD42021262287].
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Affiliation(s)
- Maryam Balke
- St. Marien Hospital Cologne, Department of Early Rehabilitation, Cologne, Germany
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany
- *Correspondence: Maryam Balke,
| | - Marc Teschler
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany
- DRV Clinic Königsfeld, Center for Medical Rehabilitation, Ennepetal, Germany
| | - Hendrik Schäfer
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany
- DRV Clinic Königsfeld, Center for Medical Rehabilitation, Ennepetal, Germany
| | - Pantea Pape
- St. Marien Hospital Cologne, Department of Early Rehabilitation, Cologne, Germany
| | - Frank C. Mooren
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany
- DRV Clinic Königsfeld, Center for Medical Rehabilitation, Ennepetal, Germany
| | - Boris Schmitz
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany
- DRV Clinic Königsfeld, Center for Medical Rehabilitation, Ennepetal, Germany
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5
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Bekki M, Matsuse H, Hashida R, Nago T, Iwanaga S, Kawaguchi T, Takano Y, Shiba N. Electrically Stimulated Eccentric Contractions during Walking Increases Oxygen Uptake. Kurume Med J 2021; 66:93-100. [PMID: 34135203 DOI: 10.2739/kurumemedj.ms662008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Neuromuscular electrical stimulation (NMES) is used to increase not only muscle strength but also whole-body metabolism. A hybrid training system (HTS) in which NMES is synchronized to voluntary exercise by an articular motion sensor may increase exercise load during aerobic walking exercise. We assessed the metabolic cost during walking exercise (5 minutes at 4 km/h and 5.6 km/h) on a treadmill simultaneously combined with HTS (HTSW) or without HTS (CON). We evaluated oxygen uptake ( VO·2) and heart rate (HR) during HTSW or CON on different days in fifteen subjects. The values ofVO·2 during HTSW at 4 km/h and 5.6 km/h were signifi cantly greater than those during CON (16.6 ± 1.85 ml/min/kg vs 15.3 ± 1.48 ml/min/kg; p < 0.05, 21.0 ± 2.17 ml/min/kg vs 19.4 ± 2.13 ml/min/kg; p < 0.01, respectively). The values of HR during HTSW at 4 km/h, 5.6 km/h were significantly greater than those during CON (106.7 ± 8.1 bpm vs 101.7 ± 10.3 bpm; p < 0.05, 126.5 ± 11.1 bpm vs 121.5 ± 12.5 bpm; p < 0.05, respectively). HTS added significantly to the exercise load by 8.3 ± 12.0% or 9.1 ± 9.9% during aerobic walking exercise at 4 km/h or 5.6 km/h, respectively. HTS might be useful for health promotion by increasing metabolic cost during aerobic walking exercise without increasing the perceived difficulty.
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Affiliation(s)
| | - Hiroo Matsuse
- Division of Rehabilitation, Kurume University Hospital
| | - Ryuki Hashida
- Division of Rehabilitation, Kurume University Hospital
| | - Takeshi Nago
- Division of Rehabilitation, Kurume University Hospital
| | - Sohei Iwanaga
- Division of Rehabilitation, Kurume University Hospital
| | - Takumi Kawaguchi
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine
| | - Yoshio Takano
- Department of Physical Therapy, School of Health Sciences at Fukuoka, International University of Health and Welfare
| | - Naoto Shiba
- Division of Rehabilitation, Kurume University Hospital
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6
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Huot-Lavoie M, Ethier C, Ting W, Burns D. Assessment of Corticospinal Excitability in Awake Rodents Using EMG-Controlled Intracortical Stimulation. Bio Protoc 2021; 11:e4267. [DOI: 10.21769/bioprotoc.4267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/18/2021] [Accepted: 07/29/2021] [Indexed: 11/02/2022] Open
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7
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Umutlu G, Demirci N, Acar NE. Training-induced changes in muscle contraction patterns enhance exercise performance after short-term neuromuscular electrical stimulation. ISOKINET EXERC SCI 2020. [DOI: 10.3233/ies-202111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: Neuromuscular electrical stimulation (NMES) is a complementary tool for therapeutic exercise for muscle strengthening and may potentially enhance exercise performance. OBJECTIVE: To determine whether high-intensity interval training (HIIT) and continuous aerobic training (CA) coupled with NMES enhance the changes in the eccentric/concentric muscle contraction patterns of hamstring and quadriceps. METHODS: Forty-five healthy sedentary male participants performed cycling training 3 times per week for 8 weeks combined with/without NMES performed at a load equivalent to 65% and 120% of IVO2max (intensity associated with the achievement of maximal oxygen uptake). Anthropometrics, blood lactate measurements, IVO2max, TLimVO2max (time-to-exhaustion) and isokinetic strength parameters were measured at baseline and post-training using a randomized controlled trial. RESULTS: The conventional hamstring-to-quadriceps-ratio (HQR: Hcon/Qcon) at 60∘/s and the Dynamic Control Ratio (DCR: Hecc/Qcon) at 180∘/s significantly increased both in the dominant (D) and non-dominant (ND) limb in the HIIT + NMES group (p< 0.05). There was a positive significant correlation between the individual changes in D HQR at 60∘/s and IVO2max (r= 0.94, p= 0.005) and the DCR at 180∘/s and TLimVO2max (r= 0.90, p= 0.015), respectively. CONCLUSIONS: The increases in the eccentric muscle contraction and DCR following HIIT + NMES seem to improve fatigue tolerance, cause less fatigue and oxidative stress on the lower limb during pedaling at high intensities.
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Affiliation(s)
- Gökhan Umutlu
- School of Physical Education and Sports, Final International University, Kyrenia, Northern Cyprus
| | - Nevzat Demirci
- Faculty of Sports Sciences, Mersin University, Mersin, Turkey
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8
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Bioelectronics-on-a-chip for cardio myoblast proliferation enhancement using electric field stimulation. Biomater Res 2020; 24:15. [PMID: 32944279 PMCID: PMC7487618 DOI: 10.1186/s40824-020-00195-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/01/2020] [Indexed: 12/26/2022] Open
Abstract
Background Cardio myoblast generation from conventional approaches is laborious and time-consuming. We present a bioelectronics on-a-chip for stimulating cells cardio myoblast proliferation during culture. Method The bioelectronics chip fabrication methodology involves two different process. In the first step, an aluminum layer of 200 nm is deposited over a soda-lime glass substrate using physical vapor deposition and selectively removed using a Q-switched Nd:YVO4 laser to create the electric tracks. To perform the experiments, we developed a biochip composed of a cell culture chamber fabricated with polydimethylsiloxane (PDMS) with a glass coverslip or a cell culture dish placed over the electric circuit tracks. By using such a glass cover slip or cell culture dish we avoid any toxic reactions caused by electrodes in the culture or may be degraded by electrochemical reactions with the cell medium, which is crucial to determine the effective cell-device coupling. Results The chip was used to study the effect of electric field stimulation of Rat ventricular cardiomyoblasts cells (H9c2). Results shows a remarkable increase in the number of H9c2 cells for the stimulated samples, where after 72 h the cell density double the cell density of control samples. Conclusions Cell proliferation of Rat ventricular cardiomyoblasts cells (H9c2) using the bioelectronics-on-a-chip was enhanced upon the electrical stimulation. The dependence on the geometrical characteristics of the electric circuit on the peak value and homogeneity of the electric field generated are analyzed and proper parameters to ensure a homogeneous electric field at the cell culture chamber are obtained. It can also be observed a high dependence of the electric field on the geometry of the electrostimulator circuit tracks and envisage the potential applications on electrophysiology studies, monitoring and modulate cellular behavior through the application of electric fields.
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9
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Pano-Rodriguez A, Beltran-Garrido JV, Hernandez-Gonzalez V, Reverter-Masia J. Effects of Whole Body Electromyostimulation on Physical Fitness and Health in Postmenopausal Women: A Study Protocol for a Randomized Controlled Trial. Front Public Health 2020; 8:313. [PMID: 32793536 PMCID: PMC7391420 DOI: 10.3389/fpubh.2020.00313] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/09/2020] [Indexed: 12/29/2022] Open
Abstract
Background: Age-related problems such as chronic diseases, functional limitation and dependence, reduce the quality of life in the elderly, and increase public spending in health. It has been established that physical activity plays a fundamental role in the health of the elderly. The whole body electromyostimulation (WB-EMS) could be a successful methodology as high-intensity training to improve the physical fitness of older people. Methods: A minimum of 13 women between 55 and 70 years old will be randomized in two groups. The exercise with WB-EMS group (EX + WB-EMS) will conduct a resistance strength training program with superimposed WB-EMS while the exercise group (EX) will perform only resistance strength and aerobic training. Balance, strength, flexibility, agility, speed, and aerobic performance (EXERNET battery and progressive resistance test), as well as body composition, blood parameters and physical activity reporting (IPAQ-E) will be assessed to analyze the effects of whole body electromyostimulation in the physical fitness and the health in postmenopausal women. Discussion: Innovative and scientifically well-designed protocols are needed to enhance the knowledge of the body's responses within this training methodology which is being used by a big quantity of population. This trial will provide evidence on the effectiveness of whole-body electromyostimulation in physical fitness and health in elderly women. Trial Registration: ISRCTN15558857 registration data: 27/11/2019 (retrospectively registered).
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10
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Teschler M, Mooren FC. (Whole-Body) Electromyostimulation, Muscle Damage, and Immune System: A Mini Review. Front Physiol 2019; 10:1461. [PMID: 31849709 PMCID: PMC6895567 DOI: 10.3389/fphys.2019.01461] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 11/12/2019] [Indexed: 01/01/2023] Open
Abstract
Exercise-induced muscular damage (EIMD) is a well-known phenomenon in exercise medicine that is closely related to the type and intensity of training, with especially eccentric training content providing various physiological irritations, including mechanical as well as metabolic. Besides the increase in markers of muscular damage, such as creatine kinase (CK) and myoglobin (Mb), several physiological shifts trigger a kind of stepwise repair chain reactions lasting over a time course from several hours to days. Subsequent inflammatory processes are closely related to muscular damage with decisive influence on physiological repair mechanisms, as indicated by an increased invasion of immune cells and typical patterns of pro- and anti-inflammatory cytokines. Previously, whole-body electromyostimulation (WB-EMS) showed significant, partly extreme distractions in markers of muscular damage lasting over several days. Because of the large area of stimulated muscle mass and a relatively high proportion of eccentric movements, initially too intense WB-EMS is predisposed to produce serious changes on several physiological levels due to its unfamiliar muscular strain. Therefore, it is the aim of this short review to focus on the possible immunological side effects of this aspiring training technology. As the number of original investigations in this field is rather small, we will include data from other studies about the relation of exercise-induced muscle damage and immune regulation.
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Affiliation(s)
- Marc Teschler
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany.,Klinik Königsfeld der DRV, Department of Cardiology and Orthopedics Clinic, Center for Medical Rehabilitation, Ennepetal, Germany
| | - Frank C Mooren
- Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany.,Klinik Königsfeld der DRV, Department of Cardiology and Orthopedics Clinic, Center for Medical Rehabilitation, Ennepetal, Germany
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11
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Mancinelli R, Toniolo L, Di Filippo ES, Doria C, Marrone M, Maroni CR, Verratti V, Bondi D, Maccatrozzo L, Pietrangelo T, Fulle S. Neuromuscular Electrical Stimulation Induces Skeletal Muscle Fiber Remodeling and Specific Gene Expression Profile in Healthy Elderly. Front Physiol 2019; 10:1459. [PMID: 31827446 PMCID: PMC6890722 DOI: 10.3389/fphys.2019.01459] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 11/12/2019] [Indexed: 01/08/2023] Open
Abstract
Skeletal muscle aging is a multifactorial process strictly related to progressive weakness. One of the results that were focused on was the fiber phenotype modification and their loss. The physiological muscle recruitment to contraction, basically prosecuted under volitional control, can also be engaged by means of Neuromuscular Electrical Stimulation (NMES). Knowing that the NMES is effective in improving muscle strength in active healthy elderly, the aim was to investigate which physiological modifications were able to produce in the Vastus lateralis muscle and the pathways involved. It was found that NMES increased the cross sectional area and the isometric strength of type II myofibers together with the activated myogenic pathway in order to shift glycolytic toward the oxidative phenotype II myofibers, at a molecular level and with an increase of maximal voluntary contraction (MVC) at a functional level. Using the TaqMan low density array on 48 different genes, we found that NMES specific gene regulation highlighted: (i) increased protein synthesis with respect to protein degradation; (ii) the activation of an apoptotic pathway involved in the differentiation process; (iii) increased regeneration signals; (iv) oxidative enzyme regulation. These pathways were validated via confirmatory RT-PCR for genes involved in the regeneration process as well as Myosin isoforms. We also investigated the oxidative stress status analyzing superoxide anion levels, the protein expression of two different superoxide dismutase and the activity of both catalase and superoxide anion dismutase, being two main antioxidant enzymes. In conclusion, data demonstrates that NMES is effective in producing physiological adaptation on Vastus Lateralis of active healthy elderly as well as providing new insights for further research on elderly who experienced muscle detriment for periodic or permanent immobility.
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Affiliation(s)
- Rosa Mancinelli
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Interuniversity Institute of Myology, Rome, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Luana Toniolo
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Ester Sara Di Filippo
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Interuniversity Institute of Myology, Rome, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Christian Doria
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Mariangela Marrone
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Interuniversity Institute of Myology, Rome, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Camilla Reina Maroni
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Interuniversity Institute of Myology, Rome, Italy
| | - Vittore Verratti
- Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Department of Psychological, Health and Territorial Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Danilo Bondi
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Lisa Maccatrozzo
- Department of Comparative Biomedicine and Food Science, University of Padova, Padua, Italy
| | - Tiziana Pietrangelo
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Interuniversity Institute of Myology, Rome, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Stefania Fulle
- Department of Neuroscience Imaging and Clinical Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Interuniversity Institute of Myology, Rome, Italy.,Laboratory of Functional Evaluation, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
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12
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Nolan CM, Rochester CL. Exercise Training Modalities for People with Chronic Obstructive Pulmonary Disease. COPD 2019; 16:378-389. [PMID: 31684769 DOI: 10.1080/15412555.2019.1637834] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Exercise training confers health benefits for people with chronic obstructive pulmonary disease (COPD). This article reviews the evidence for several exercise training modalities shown to be beneficial among individuals with COPD. These modalities include aerobic, resistance, nonlinear periodized, upper limb and balance training, as well as yoga, Tai Chi, inspiratory muscle training, whole body vibration training and neuromuscular electrical stimulation. The literature pertaining to each modality was critically reviewed, and information on the rationale, mechanism(s) of action (where known), benefits, and exercise prescription is described to facilitate easy implementation into clinical practice.
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Affiliation(s)
- Claire M Nolan
- Harefield Respiratory Research Unit, Royal Brompton and Harefield NHS Foundation Trust, UK.,Harefield Pulmonary Rehabilitation Unit, Royal Brompton and Harefield NHS Foundation Trust, UK
| | - Carolyn L Rochester
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT, USA.,VA Connecticut Healthcare System, West Haven, CT, USA
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13
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Pano-Rodriguez A, Beltran-Garrido JV, Hernández-González V, Reverter-Masia J. Effects of whole-body ELECTROMYOSTIMULATION on health and performance: a systematic review. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:87. [PMID: 31014310 PMCID: PMC6480820 DOI: 10.1186/s12906-019-2485-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 03/14/2019] [Indexed: 11/17/2022]
Abstract
BACKGROUND Whole-body electrical myostimulation (WB-EMS) is a relatively recent training methodology that has been extraordinarily used in recent years. However, there is a lack of consensus on the effectiveness of WB-EMS in the situations in which its use has been largely popularized. The objective of this systematic review was to determine the effects produced by WB-EMS. METHODS A search of PubMed, Web of Science, Scopus and Cochrane was performed to identify all the studies that have applied electrical stimulation in lower and upper limbs simultaneously and that have clearly presented their protocols for the training and application of the stimulation. The last search was performed on September 9, 2018. Studies written in English or German were included. RESULTS A total of 21 articles met the inclusion criteria and were analyzed following the guidelines of the Cochrane Guide for Systematic Reviews. Nineteen studies analyzed the chronic effects of WB-EMS, and 2 analyzed acute effects with a total of 505 subjects (310 men and 195 women). In total, 35% were moderately trained, and 65% were sedentary subjects. Different dependent variables were studied, such as anthropometric parameters, strength parameters, energy expenditure, psychophysiological parameters and blood parameters. There is a lack of randomized controlled studies, and the studies included exhibit a moderate to high level of risk of bias. CONCLUSIONS Given the limited number of available studies on WB-EMS, the scarce amount of scientific evidence found does not allow definitive conclusions about its effects; therefore, future studies about WB-EMS are necessary.
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Affiliation(s)
- Alvaro Pano-Rodriguez
- Research Group Human Movement, University of Lleida, Av. de l’Estudi Generaln.4 E-25001Lleida, Lleida, Spain
| | | | - Vicenç Hernández-González
- Research Group Human Movement, University of Lleida, Av. de l’Estudi Generaln.4 E-25001Lleida, Lleida, Spain
| | - Joaquim Reverter-Masia
- Research Group Human Movement, University of Lleida, Av. de l’Estudi Generaln.4 E-25001Lleida, Lleida, Spain
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Abstract
In physical and rehabilitation medicine, there are few reports on the effects of therapeutic low-frequency electrical stimulation on the immune response of the organism, even though electrical stimulation is used widely in clinical practice and sports medicine. The aim of our study was to examine the possible immunological consequences of moderate transcutaneous neuromuscular electrical stimulation (NMES) for quadriceps muscle strengthening in healthy individuals. The study included twelve healthy male adult volunteers (mean age 42 years) without contraindications for electrical stimulation. At the beginning and immediately after a 20-min session of NMES of quadriceps muscles, peripheral blood was collected to analyse the biochemical blood components (creatinine, creatine kinase, estimated glomerular filtration rate, cortisol), differential white blood cell count and immunological parameters. The intensity of NMES was set at maximum tolerance, eliciting on average about one-sixth of the maximum voluntary isometric contraction of the same leg. No statistically significant differences in the average group level were found in any of the measured biochemical blood components, white blood cell count or immunological parameters after the NMES session. On an individual level, the changes in creatine kinase, estimated glomerular filtration rate, basophils and some immunological parameters correlated with changes in the cortisol level. We can conclude that moderate transcutaneous low-frequency electrical stimulation for quadriceps muscle strengthening used in our study did not induce essential changes in immune status in healthy men.
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Canu MH, Fourneau J, Coq JO, Dannhoffer L, Cieniewski-Bernard C, Stevens L, Bastide B, Dupont E. Interplay between hypoactivity, muscle properties and motor command: How to escape the vicious deconditioning circle? Ann Phys Rehabil Med 2018; 62:122-127. [PMID: 30394346 DOI: 10.1016/j.rehab.2018.09.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 09/24/2018] [Accepted: 09/30/2018] [Indexed: 10/28/2022]
Abstract
Activity-dependent processes addressing the central nervous system (CNS) and musculoskeletal structures are critical for maintaining motor performance. Chronic reduction in activity, whether due to a sedentary lifestyle or extended bed rest, results in impaired performance in motor tasks and thus decreased quality of life. In the first part of this paper, we give a narrative review of the effects of hypoactivity on the neuromuscular system and behavioral outcomes. Motor impairments arise from a combination of factors including altered muscle properties, impaired afferent input, and plastic changes in neural structure and function throughout the nervous system. There is a reciprocal interplay between the CNS and muscle properties, and these sensorimotor loops are essential for controlling posture and movement. As a result, patients under hypoactivity experience a self-perpetuating cycle, in with sedentarity leading to decreased motor activity and thus a progressive worsening of a situation, and finally deconditioning. Various rehabilitation strategies have been studied to slow down or reverse muscle alteration and altered motor performance. In the second part of the paper, we review representative protocols directed toward the muscle, the sensory input and/or the cerebral cortex. Improving an understanding of the loss of motor function under conditions of disuse (such as extended bed rest) as well as identifying means to slow this decline may lead to therapeutic strategies to preserve quality of life for a range of individuals. The most efficient strategies seem multifactorial, using a combination of approaches targeting different levels of the neuromuscular system.
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Affiliation(s)
- Marie-Hélène Canu
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France.
| | - Julie Fourneau
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France
| | - Jacques-Olivier Coq
- UMR 7289, CNRS, institut de neurosciences de la Timone, Aix-Marseille université, 13385 Marseille, France
| | - Luc Dannhoffer
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France
| | - Caroline Cieniewski-Bernard
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France
| | - Laurence Stevens
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France
| | - Bruno Bastide
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France
| | - Erwan Dupont
- EA 7369 "activité physique, muscle et santé", unité de recherche pluridisciplinaire sport santé société (URePSSS), université de Lille, 59000 Lille, France
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Rabe KG, Matsuse H, Jackson A, Segal NA. Evaluation of the Combined Application of Neuromuscular Electrical Stimulation and Volitional Contractions on Thigh Muscle Strength, Knee Pain, and Physical Performance in Women at Risk for Knee Osteoarthritis: A Randomized Controlled Trial. PM R 2018; 10:1301-1310. [PMID: 29852286 DOI: 10.1016/j.pmrj.2018.05.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 04/18/2018] [Accepted: 05/05/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND Knee osteoarthritis (OA) is a leading cause of disability that is associated with quadriceps weakness. However, strengthening in people with or with risk factors for knee OA can be poorly tolerated. OBJECTIVE To assess the efficacy of a 12-week low-load exercise program, using a hybrid training system (HTS) that uses the combination of neuromuscular electrical stimulation and volitional contractions, for improving thigh muscle strength, knee pain relief, and physical performance in women with or with risk factors for knee OA. DESIGN Randomized, single-blinded, controlled trial. SETTING Exercise training laboratory. PARTICIPANTS Forty-two women 44-85 years old with risk factors for knee OA. INTERVENTIONS Participants randomized to 12 weeks of biweekly low-load resistance training with the HTS or on an isokinetic dynamometer (control). OUTCOMES Maximum isokinetic knee extensor torque. Secondary measures included maximum isokinetic knee flexor torque, knee pain (Knee Injury and Osteoarthritis Outcome Score), and timed 20-m walk and chair stand tests. RESULTS The HTS and control treatments resulted in muscle strengthening, decreased knee pain, and improved physical performance. HTS group quadriceps and hamstring strength increased by 0.06 ± 0.04 Nm/kg (P > .05) and 0.05 ± 0.02 Nm/kg (P = .02), respectively. Control group quadriceps and hamstring strength increased by 0.03 ± 0.04 Nm/kg (P > .05) and 0.06 ± 0.02 Nm/kg (P = .009), respectively. Knee pain decreased by 11.9 ± 11.5 points (P < .001) for the HTS group and 14.1 ± 15.4 points (P = .001) for the control group. The 20-m walk time decreased by 1.60 ± 2.04 seconds (P = .005) and 0.95 ± 1.2 seconds (P = .004), and chair stand time decreased by 4.8 ± 10.0 seconds (P > .05) and 1.9 ± 4.7 seconds (P > .05) in the HTS and control groups, respectively. These results did not differ statistically between the HTS and control groups. CONCLUSIONS These results suggest the HTS is effective for alleviating pain and improving physical performance in women with risk factors for knee OA. However, the HTS does not appear to be superior to low-load resistance training for improving muscle strength, pain relief, or physical function. CLINICAL TRIAL REGISTRATION NUMBER NCT02802878. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Kaitlin G Rabe
- Department of Rehabilitation Medicine, The University of Kansas, Kansas City, KS(∗)
| | - Hiroo Matsuse
- Department of Orthopedics, Kurume University School of Medicine, Kurume, Fukuoka, Japan(†)
| | - Anthony Jackson
- Department of Rehabilitation Medicine, The University of Kansas, Kansas City, KS(‡)
| | - Neil A Segal
- Department of Rehabilitation Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, MS 1046, Kansas City, KS 66160(§).
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Omole JO, Egwu MO, Mbada CE, Awotidebe TO, Onigbinde AT. Comparative effects of burst mode alternating current and resisted exercise on physical function, pain intensity and quadriceps strength among patients with primary knee osteoarthritis. REHABILITACJA MEDYCZNA 2017. [DOI: 10.5604/01.3001.0010.5003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Background and objective: The benefi cial effect of Resisted Exercise (RE) in Knee Osteoarthritis (OA) rehabilitation is often hamstrung by the presence of other comorbidities affecting exercise implementation, hence the need for comparative alternative therapies. This study compared the effect of Burst Mode Alternating Current (BMAC) and RE in the management of patients with knee OA. Methods: Forty-seven consenting patients with primary knee OA participated in this study. The participants were recruited from the outpatient physiotherapy department of a Nigerian teaching hospital. The participants were randomly assigned into either RE plus BMAC (RBMAC) or RE Only (REO) groups. The effects of intervention were assessed in terms of physical function, pain intensity and quadriceps strength at the 4th and 8th week of intervention. Descriptive and inferential statistics were used to analyze data at p<0.05 alpha level. Result: RBMAC and REO led to signifi cant mean changes in physical function (RBMAC – p=0.001: REO – p=0.001), pain intensity (RBMAC − p=0.001: REO – p=0.001), and muscle strength (RBMAC − p=0.001: REO – p=0.001) scores. However, there was no signifi cant difference in the mean change in physical function, pain intensity or muscle strength scores between RE plus BMAC and RE only groups (p>0.05). Conclusion: In conclusion, resisted exercise alone had signifi cant effects on physical function, pain intensity and quadriceps strength in patients with knee osteoarthritis. However, burst mode alternating current did not show additional effects.
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Affiliation(s)
- John O. Omole
- Department of Physiotherapy, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun State, Nigeria
| | - Michael O. Egwu
- Department of Medical Rehabilitation, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
| | - Chidozie E. Mbada
- Department of Medical Rehabilitation, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
| | - Taofeek O. Awotidebe
- Department of Medical Rehabilitation, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
| | - Ayodele T. Onigbinde
- Department of Medical Rehabilitation, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
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Esteve V, Carneiro J, Moreno F, Fulquet M, Garriga S, Pou M, Duarte V, Saurina A, Tapia I, Ramírez de Arellano M. Efecto de la electroestimulación neuromuscular sobre la fuerza muscular, capacidad funcional y composición corporal en los pacientes en hemodiálisis. Nefrologia 2017; 37:68-77. [DOI: 10.1016/j.nefro.2016.05.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 04/08/2016] [Accepted: 05/04/2016] [Indexed: 10/21/2022] Open
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Jones S, Man WD, Gao W, Higginson IJ, Wilcock A, Maddocks M. Neuromuscular electrical stimulation for muscle weakness in adults with advanced disease. Cochrane Database Syst Rev 2016; 10:CD009419. [PMID: 27748503 PMCID: PMC6464134 DOI: 10.1002/14651858.cd009419.pub3] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND This review is an update of a previously published review in the Cochrane Database of Systematic Reviews Issue 1, 2013 on Neuromuscular electrical stimulation for muscle weakness in adults with advanced disease.Patients with advanced progressive disease often experience muscle weakness, which can impact adversely on their ability to be independent and their quality of life. In those patients who are unable or unwilling to undertake whole-body exercise, neuromuscular electrical stimulation (NMES) may be an alternative treatment to enhance lower limb muscle strength. Programmes of NMES appear to be acceptable to patients and have led to improvements in muscle function, exercise capacity, and quality of life. However, estimates regarding the effectiveness of NMES based on individual studies lack power and precision. OBJECTIVES Primary objective: to evaluate the effectiveness of NMES on quadriceps muscle strength in adults with advanced disease. Secondary objectives: to examine the safety and acceptability of NMES, and its effect on peripheral muscle function (strength or endurance), muscle mass, exercise capacity, breathlessness, and health-related quality of life. SEARCH METHODS We identified studies from searches of the Cochrane Central Register of Controlled Trials (CENTRAL), Cochrane Database of Systematic Reviews (CDSR), and Database of Abstracts of Reviews of Effects (DARE) (the Cochrane Library), MEDLINE (OVID), Embase (OVID), CINAHL (EBSCO), and PsycINFO (OVID) databases to January 2016; citation searches, conference proceedings, and previous systematic reviews. SELECTION CRITERIA We included randomised controlled trials in adults with advanced chronic respiratory disease, chronic heart failure, cancer, or HIV/AIDS comparing a programme of NMES as a sole or adjunct intervention to no treatment, placebo NMES, or an active control. We imposed no language restriction. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data on study design, participants, interventions, and outcomes. We assessed risk of bias using the Cochrane 'Risk of bias' tool. We calculated mean differences (MD) or standardised mean differences (SMD) between intervention and control groups for outcomes with sufficient data; for other outcomes we described findings from individual studies. We assessed the evidence using GRADE and created a 'Summary of findings' table. MAIN RESULTS Eighteen studies (20 reports) involving a total of 933 participants with COPD, chronic respiratory disease, chronic heart failure, and/or thoracic cancer met the inclusion criteria for this update, an additional seven studies since the previous version of this review. All but one study that compared NMES to resistance training compared a programme of NMES to no treatment or placebo NMES. Most studies were conducted in a single centre and had a risk of bias arising from a lack of participant or assessor blinding and small study size. The quality of the evidence using GRADE comparing NMES to control was low for quadriceps muscle strength, moderate for occurrence of adverse events, and very low to low for all other secondary outcomes. We downgraded the quality of evidence ratings predominantly due to inconsistency among study findings and imprecision regarding estimates of effect. The included studies reported no serious adverse events and a low incidence of muscle soreness following NMES.NMES led to a statistically significant improvement in quadriceps muscle strength as compared to the control (12 studies; 781 participants; SMD 0.53, 95% confidence interval (CI) 0.19 to 0.87), equating to a difference of approximately 1.1 kg. An increase in muscle mass was also observed following NMES, though the observable effect appeared dependent on the assessment modality used (eight studies, 314 participants). Across tests of exercise performance, mean differences compared to control were statistically significant for the 6-minute walk test (seven studies; 317 participants; 35 m, 95% CI 14 to 56), but not for the incremental shuttle walk test (three studies; 434 participants; 9 m, 95% CI -35 to 52), endurance shuttle walk test (four studies; 452 participants; 64 m, 95% CI -18 to 146), or for cardiopulmonary exercise testing with cycle ergometry (six studies; 141 participants; 45 mL/minute, 95% CI -7 to 97). Limited data were available for other secondary outcomes, and we could not determine the most beneficial type of NMES programme. AUTHORS' CONCLUSIONS The overall conclusions have not changed from the last publication of this review, although we have included more data, new analyses, and an assessment of the quality of the evidence using the GRADE approach. NMES may be an effective treatment for muscle weakness in adults with advanced progressive disease, and could be considered as an exercise treatment for use within rehabilitation programmes. Further research is very likely to have an important impact on our confidence in the estimate of effect and may change the estimate. We recommend further research to understand the role of NMES as a component of, and in relation to, existing rehabilitation approaches. For example, studies may consider examining NMES as an adjuvant treatment to enhance the strengthening effect of programmes, or support patients with muscle weakness who have difficulty engaging with existing services.
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Affiliation(s)
- Sarah Jones
- Royal Brompton & Harefield NHS Foundation Trust and Imperial CollegeNIHR Respiratory Biomedical Research UnitLondonUK
- Harefield HospitalHarefield Pulmonary Rehabilitation UnitMiddlesexUK
| | - William D‐C Man
- Royal Brompton & Harefield NHS Foundation Trust and Imperial CollegeNIHR Respiratory Biomedical Research UnitLondonUK
- Harefield HospitalHarefield Pulmonary Rehabilitation UnitMiddlesexUK
| | - Wei Gao
- King's College LondonDepartment of Palliative Care, Policy and Rehabilitation, Cicely Saunders InstituteLondonUK
| | - Irene J Higginson
- King's College LondonDepartment of Palliative Care, Policy and Rehabilitation, Cicely Saunders InstituteLondonUK
| | - Andrew Wilcock
- University of NottinghamHayward House Macmillan Specialist Palliative Care UnitNottingham City Hospital NHS TrustNottinghamUKNG5 1PB
| | - Matthew Maddocks
- Cicely Saunders Institute, King's College LondonDepartment of Palliative Care, Policy and RehabilitationDenmark HillLondonUKSE5 9PJ
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Effect of the electrostimulation during the tapering period compared to the exponential taper on anaerobic performances and rating of perceived exertion. Sci Sports 2016. [DOI: 10.1016/j.scispo.2016.04.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Takano Y, Matsuse H, Tsukada Y, Omoto M, Hashida R, Shiba N. A New Training for Older Adults Using Combined Neuromuscular Electrical Stimulation and Volitional Contraction: A Pilot Study. Kurume Med J 2016; 62:73-81. [PMID: 27237936 DOI: 10.2739/kurumemedj.ms66001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The hybrid training system (HTS) resists the motion of a volitionally contracting agonist muscle using force generated by its electrically stimulated antagonist. We have developed a new training method using the principle of HTS. This study was designed to evaluate the effect of HTS with electrical stimulation on muscle strength and physical function by comparing it against training without electrical stimulation in older adults. 16 subjects were randomly divided into two groups: the squat and single leg lift training (control, CTR) group, and the CTR with HTS training group. Some electrical stimulation was applied to the quadriceps and hamstring muscles in the HTS group. The subjects performed training for 25 min per session 3 times a week for 12 weeks. At points before and after the research maximal isokinetic torque, knee-flexors (KFT) and knee-extensors (KET), a one-leg standing test (OLT), a functional reach test (FRT), a 10-meter maximal gait time (10MGT) and Timed up & go test (TUG) were conducted. None of the subjects had any injuries during the study period. TUG significantly improved after the training period in both the HTS group (7.15 sec to 6.01 sec P = 0.01) and in the CTR.
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Affiliation(s)
- Yoshio Takano
- Department of Physical Therapy, School of Health Sciences at Fukuoka, International University of Health and Welfare
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22
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Hashida R, Matsuse H, Takano Y, Omoto M, Nago T, Shiba N. Walking exercise combined with neuromuscular electrical stimulation of antagonist resistance improved muscle strength and physical function for elderly people: A pilot study. ACTA ACUST UNITED AC 2016. [DOI: 10.7600/jpfsm.5.195] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Ryuki Hashida
- Division of Rehabilitation, Kurume University Hospital
| | - Hiroo Matsuse
- Division of Rehabilitation, Kurume University Hospital
| | - Yoshio Takano
- Department of Physical Therapy, School of Health Sciences at Fukuoka, International University of Health and Welfare
| | | | - Takeshi Nago
- Division of Rehabilitation, Kurume University Hospital
| | - Naoto Shiba
- Division of Rehabilitation, Kurume University Hospital
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Omoto M, Matsuse H, Hashida R, Takano Y, Yamada S, Ohshima H, Tagawa Y, Shiba N. Cycling Exercise with Electrical Stimulation of Antagonist Muscles Increases Plasma Growth Hormone and IL-6. TOHOKU J EXP MED 2015; 237:209-17. [PMID: 26522057 DOI: 10.1620/tjem.237.209] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Performing aerobics and resistance exercise at exactly the same time has not been available although combining both types of exercise in one training program has been attempted. The hybrid training system (HTS) is a resistance exercise that combines voluntary concentric muscle contractions with electrically stimulated eccentric muscle contractions. We devised an exercise technique using HTS on a cycle ergometer (HCE). Growth hormone (GH) and lactate are indicators of adequate training intensity. Interleukin-6 (IL-6) reflects enhancing lipid metabolism. The purpose of this study was to show that HCE provides sufficient exercise to stimulate the secretion of GH, lactate and IL-6. We compared an HCE test with cycle ergometer alone (CE). Ten healthy male subjects performed HCE and CE tests for 30 minutes each. The workload of both tests was set the same at 40% of each subject's peak oxygen uptake. For HCE, 2-minute HTS and 1-minute rest intervals were repeated. GH, lactate, and IL-6 were evaluated before and immediately after exercise, and at 15, 30 and 60 minutes. GH and lactate increased immediately after HCE. Moreover, the degree of the increases in GH after HCE (0 and 15 minutes) was higher than that after CE. IL-6 increased after HCE at 30 min, and the rate of change was higher than for CE. These results showed that HCE was more efficient in stimulating acute increases in GH, lactate and IL-6 than CE at the same workload. We may be able to combine electrically stimulated resistance exercise with aerobic exercise using HCE.
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Canu MH, Fryziel F, Noel JP, Tiffreau V, Digumber M, Bastide B. A new device combining mechanical stimulation of plantar sole and Achilles' tendon to alleviate the consequences of muscle deconditioning. Med Biol Eng Comput 2015; 54:733-41. [PMID: 26264059 DOI: 10.1007/s11517-015-1363-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 07/21/2015] [Indexed: 11/29/2022]
Abstract
Limb immobilization or confinement to bed results in a severe atrophy and weakness of lower leg muscles. Full recovery of muscle strength and physical function is rare and may impact the patient's outcome. Studies performed on rodents have demonstrated that the deleterious structural and functional adaptations which occur during muscle deconditioning can be counteracted through adequate physiological stimuli. Thus, based on this fundamental work, we developed a device that combines mechanical stimulation of proprioceptors located in the plantar sole and Achilles' tendon. The device is adapted to patients immobilized and confined to bed. Stimulations can be applied on muscle in passive state. The protocol is non-invasive and is well accepted by patients. This paper presents the technical features of the device, as well as preliminary results of the first clinical study. This device might allow considering new therapeutic strategies for prevention of atrophy in many pathologies.
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Affiliation(s)
- Marie-Hélène Canu
- "Physical Activity, Muscle and Health" Laboratory, EA 6379, URePSSS, IFR 114, University Lille 1, Sciences et Technologies, 59650, Villeneuve d'Ascq, France. .,University Lille Nord de France, 59000, Lille, France.
| | - Fabrice Fryziel
- "Physical Activity, Muscle and Health" Laboratory, EA 6379, URePSSS, IFR 114, University Lille 1, Sciences et Technologies, 59650, Villeneuve d'Ascq, France.,University Lille Nord de France, 59000, Lille, France
| | - Jean-Pierre Noel
- "Physical Activity, Muscle and Health" Laboratory, EA 6379, URePSSS, IFR 114, University Lille 1, Sciences et Technologies, 59650, Villeneuve d'Ascq, France.,University Lille Nord de France, 59000, Lille, France
| | - Vincent Tiffreau
- "Physical Activity, Muscle and Health" Laboratory, EA 6379, URePSSS, IFR 114, University Lille 1, Sciences et Technologies, 59650, Villeneuve d'Ascq, France.,University Lille Nord de France, 59000, Lille, France.,Department of Rehabilitation Medicine, Lille University Hospital, 59000, Lille, France
| | - Marc Digumber
- University Lille Nord de France, 59000, Lille, France.,Department of Rehabilitation Medicine, Lille University Hospital, 59000, Lille, France
| | - Bruno Bastide
- "Physical Activity, Muscle and Health" Laboratory, EA 6379, URePSSS, IFR 114, University Lille 1, Sciences et Technologies, 59650, Villeneuve d'Ascq, France.,University Lille Nord de France, 59000, Lille, France
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Lecocq M, Félix MS, Linares JM, Chaves-Jacob J, Decherchi P, Dousset E. Titanium implant impairment and surrounding muscle cell death following neuro-myoelectrostimulation: Anin vivostudy. J Biomed Mater Res B Appl Biomater 2014; 103:1594-601. [DOI: 10.1002/jbm.b.33353] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 10/25/2014] [Accepted: 12/02/2014] [Indexed: 01/01/2023]
Affiliation(s)
- Mathieu Lecocq
- Aix-Marseille Université, CNRS; Institut des Sciences du Mouvement: Etienne-Jules MAREY (UMR 7287), Equipe «Plasticité des Systèmes Nerveux et Musculaire» (PSNM); Faculté des Sciences du Sport de Marseille CC910 13288 Marseille Cedex 09 France
| | - Marie-Solenne Félix
- Aix-Marseille Université, CNRS; Institut des Sciences du Mouvement: Etienne-Jules MAREY (UMR 7287), Equipe «Plasticité des Systèmes Nerveux et Musculaire» (PSNM); Faculté des Sciences du Sport de Marseille CC910 13288 Marseille Cedex 09 France
| | - Jean-Marc Linares
- Aix-Marseille Université, CNRS; Institut des Sciences du Mouvement: Etienne-Jules MAREY (UMR 7287), Equipe «Conception Bio-Inspirée» (CBI); IUT d'Aix-Marseille 413 13625 Aix-en-Provence Cedex France
| | - Julien Chaves-Jacob
- Aix-Marseille Université, CNRS; Institut des Sciences du Mouvement: Etienne-Jules MAREY (UMR 7287), Equipe «Conception Bio-Inspirée» (CBI); IUT d'Aix-Marseille 413 13625 Aix-en-Provence Cedex France
| | - Patrick Decherchi
- Aix-Marseille Université, CNRS; Institut des Sciences du Mouvement: Etienne-Jules MAREY (UMR 7287), Equipe «Plasticité des Systèmes Nerveux et Musculaire» (PSNM); Faculté des Sciences du Sport de Marseille CC910 13288 Marseille Cedex 09 France
| | - Erick Dousset
- Aix-Marseille Université, CNRS; Institut des Sciences du Mouvement: Etienne-Jules MAREY (UMR 7287), Equipe «Plasticité des Systèmes Nerveux et Musculaire» (PSNM); Faculté des Sciences du Sport de Marseille CC910 13288 Marseille Cedex 09 France
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Lisy K, White H, Pearson A. Overview of reviews: Mechanical interventions for the treatment and management of chronic obstructive pulmonary disease. Int J Nurs Pract 2014; 20:701-8. [DOI: 10.1111/ijn.12303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Karolina Lisy
- The Joanna Briggs Institute, The School of Translational Health ScienceThe University of Adelaide Adelaide South Australia Australia
- The Cochrane Nursing Care FieldCochrane Collaboration Adelaide South Australia Australia
| | - Heath White
- The Joanna Briggs Institute, The School of Translational Health ScienceThe University of Adelaide Adelaide South Australia Australia
- The Cochrane Nursing Care FieldCochrane Collaboration Adelaide South Australia Australia
| | - Alan Pearson
- The Joanna Briggs Institute, The School of Translational Health ScienceThe University of Adelaide Adelaide South Australia Australia
- The Cochrane Nursing Care FieldCochrane Collaboration Adelaide South Australia Australia
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Optimizing the benefits of exercise on physical function in older adults. PM R 2013; 6:528-43. [PMID: 24361365 DOI: 10.1016/j.pmrj.2013.11.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Revised: 11/13/2013] [Accepted: 11/14/2013] [Indexed: 01/10/2023]
Abstract
As the number of older adults continues to rise worldwide, the prevention of physical disability among seniors is an increasingly important public health priority. Physical exercise is among the best known methods of preventing disability, but accumulating evidence indicates that considerable variability exists in the responsiveness of older adults to standard training regimens. Accordingly, a need exists to develop tailored interventions to optimize the beneficial effects of exercise on the physical function of older adults at risk for becoming disabled. The present review summarizes the available literature related to the use of adjuvant or alternative strategies intended to enhance the efficacy of exercise in improving the physical function of older adults. Within this work, we also discuss potential future research directions in this area.
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Maddocks M, Gao W, Higginson IJ, Wilcock A. Neuromuscular electrical stimulation for muscle weakness in adults with advanced disease. Cochrane Database Syst Rev 2013:CD009419. [PMID: 23440837 DOI: 10.1002/14651858.cd009419.pub2] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Patients with progressive diseases often experience muscle weakness, which impacts adversely on levels of independence and quality of life. In those who are unable or unwilling to undertake traditional forms of exercise, neuromuscular electrical stimulation (NMES) may provide an alternative method of enhancing leg muscle strength. Programmes appear to be well tolerated and have led to improvements in muscle function, exercise capacity and quality of life. However, estimates regarding the effectiveness of NMES from individual studies lack power and precision. PRIMARY OBJECTIVE to evaluate the effectiveness of NMES for improving muscle strength in adults with advanced disease. SECONDARY OBJECTIVE to examine the acceptability and safety of NMES, and changes in muscle function (strength or endurance), muscle mass, exercise capacity, breathlessness and health-related quality of life. SEARCH METHODS Studies were identified from searches of The Cochrane Library, MEDLINE, EMBASE, CINAHL and PsycINFO databases to July 2012, citation searches, conference proceedings and previous systematic reviews. SELECTION CRITERIA We included randomised controlled trials (RCTs) in adults with advanced chronic obstructive pulmonary disease (COPD), chronic heart failure, cancer or human immunodeficiency virus/acquired immunodeficency syndrome (HIV/AIDS) comparing a programme of NMES as a sole or adjunct intervention to no treatment, placebo NMES or an active control. We imposed no language restriction. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data on study design, participants, interventions and outcomes. We assessed risk of bias using the Cochrane Collaboration's tool. We calculated mean differences (MD) or standardised mean differences (SMD) between intervention and control groups for outcomes with sufficient data; for other outcomes we described findings from individual studies. MAIN RESULTS Eleven studies involving a total of 218 participants met the inclusion criteria across COPD, chronic heart failure and thoracic cancer. NMES significantly improved quadriceps strength by a SMD of 0.9 (95% confidence interval (CI) 0.33 to 1.46), equating to approximately 25 Newton metres (Nm) (95% CI 9 to 41). Mean differences across various walking tests, favouring NMES, were 40 m (95% CI -4 to 84) for the six-minute walk test, 69 m (95% CI 19 to 119) for the incremental shuttle walk test and 160 m (95% CI 34 to 287) for the endurance shuttle walk test. Limited evidence was available for the assessment of other secondary outcomes. AUTHORS' CONCLUSIONS NMES appears an effective means of improving muscle weakness in adults with progressive diseases such as COPD, chronic heart failure and cancer. Further research is required to clarify its place in clinical practice, by determining the optimal parameters for a NMES programme, the patients most likely to benefit, and its impact on morbidity and service use.
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Affiliation(s)
- Matthew Maddocks
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK.
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Kopitar AN, Kotnik V, Vidmar G, Ihan A, Novak P, Stefancic M. Therapeutic electric stimulation does not affect immune status in healthy individuals - a preliminary report. Biomed Eng Online 2012; 11:42. [PMID: 22839574 PMCID: PMC3444347 DOI: 10.1186/1475-925x-11-42] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 07/18/2012] [Indexed: 11/17/2022] Open
Abstract
Background Neuromuscular electric stimulation is widely used for muscle strengthening in clinical practice and for preventative purposes. However, there are few reports on the effects of electric stimulation on the immune response of the organism, and even those mainly describe the changes observed immediately after the electrotherapeutic procedures. The objective of our study was to examine the possible immunological consequences of moderate low-frequency transcutaneous neuromuscular electric stimulation for quadriceps muscle strengthening in healthy individuals. Methods The study included 10 healthy volunteers (5 males, 5 females, mean age 37.5 years). At the beginning and after a two-week electric stimulation program, muscle strength was measured and peripheral blood was collected to analyse white blood cells by flow cytometry for the expression of cell surface antigens (CD3, CD19, CD4, CD8, CD4/8, DR/3, NK, Th reg, CD25 + CD3+, CD25 + CD4+, CD25 + CD8+, CD69 + CD3+, CD69 + CD4+, CD69 + CD8+) and phagocytosis/oxidative killing function. Results Muscle strength slightly increased after the program on the dominant and the nondominant side. No statistically or clinically significant difference was found in any of the measured blood and immune cells parameters as well as phagocytosis and oxidative burst function of neutrophil granulocytes and monocytes one day after the program. Conclusions The program of transcutaneous low-frequency electric stimulation slightly strengthened the quadriceps femoris muscle while producing no changes in measured immunological parameters. Hence, therapeutic low-frequency electric stimulation appears not to be affecting the immune response of healthy persons.
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Affiliation(s)
- Andreja N Kopitar
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia
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Abstract
PURPOSE OF REVIEW Therapeutic exercise may help maintain or slow down the rate of decline in muscle mass and physical function that occurs with cachexia. This review considers recent evidence in relation to patients with cachexia as regards the rationale for the use of exercise, the challenges in its clinical application and future developments. RECENT FINDINGS Exercise may attenuate the effects of cachexia by modulating muscle metabolism, insulin sensitivity and levels of inflammation. Studies targeting cachectic patients have demonstrated that even in advanced disease peripheral muscle has the capacity to respond to exercise training. Nonetheless, there are challenges in implementing the use of exercise, particularly once cachexia is established in which tolerance to even low levels of exercise is poor. Strategies to make exercise a more accessible therapy are required and could include offering exercise earlier on in the course of the disease, at lower intensities and in various forms, including more novel approaches. SUMMARY The use of therapeutic exercise has a sound rationale, even in patients with advanced disease and cachexia. Because of practical issues with its application, further study is required to examine if benefits achieved in small studies can be translated to a wider clinical population.
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Matsuse H, Iwasa C, Imaishi K, Nago T, Tagawa Y, Kakuma T, Shiba N. Hybrid-training method increases muscle strength and mass in the forearm without adverse effect of hand function in healthy male subjects. Kurume Med J 2011; 57:125-32. [PMID: 21778674 DOI: 10.2739/kurumemedj.57.125] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Conventional neuromuscular electrical stimulation (NMES) results in surface muscle contraction but high electrical stimulation intensity is required to activate the deep muscles. Therefore, NMES is not useful for training at complicated sites such as the forearm. To make NMES more effective we developed a hybrid training method (HYB), consisting of electrically stimulated antagonists to resist agonist muscle contractions. The purpose of this study was to compare the effects of HYB on the forearm as compared with NMES alone, and to determine whether HYB had any adverse effects on complex hand movements. Thirty subjects were randomly distributed into three groups: a HYB program group, an isometric electrical stimulation group (ES), and a control group (CN). Subjects trained 3 times a week for 6 weeks. Each session consisted of 10 sets of 10 reciprocal 2-sec wrist flexions and extensions separated by 1-min rest intervals. Wrist flexion/extension torques, grip strengths (GS), forearm flexor/extensor cross sectional areas (CSA), and hand dexterity (Purdue Pegboard (PEG) test, finger tapping (Tapping) test were measured. The HYB group demonstrated statistically significant increases in wrist extension torques (22.8%, p<0.01), forearm flexor CSA (9.6%, p<0.01), and in forearm extensor CSA (5.1%, p<0.05) at the end of training. There was no increase in torque or CSA in the ES or CN groups. Hand dexterity showed no significant differences in any of the three groups. HYB had no adverse effect on hand function and was more effective in forearm training than NMES alone.
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Affiliation(s)
- Hiroo Matsuse
- Rehabilitation Center, Kurume University Medical Center, Japan.
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Matsuse H, Nago T, Takano Y, Shiba N. Plasma growth hormone is elevated immediately after resistance exercise with electrical stimulation and voluntary muscle contraction. TOHOKU J EXP MED 2011; 222:69-75. [PMID: 20823664 DOI: 10.1620/tjem.222.69] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Resistance exercise is a physiological stimulus for acute increases in growth hormone (GH) secretion, and it also causes lactate accumulation and stimulates norepinephrine (NE) secretion as a sympathetic nervous response. The hybrid exercise method (HYB) is a novel resistance exercise method that combines a voluntary concentric muscle contraction and an electrically stimulated eccentric muscle contraction. This study was designed to compare the hormonal responses of HYB with typical weight training (WT), as regards GH, lactate, and NE. Twenty-four healthy male subjects (20-27 years) were divided into the HYB group and the WT group. All the subjects performed bilateral leg exercises with 10 sets of 10 reciprocal 2-second (45 degrees /sec) knee flexion-and-extension contractions, and with 1-min interset rest intervals. Plasma concentrations of GH, lactate, and NE were determined before exercise and immediately after exercise (0 min) as well as at 15, 30, 60, and 120 min. The plasma concentrations of GH and lactate were significantly increased immediately after HYB or WT (P < 0.05). Moreover, the degree of the increases of GH and lactate after HYB was significantly higher than that after WT (P < 0.05). The plasma concentration of NE was significantly increased after HYB or WT (P < 0.01), but no significant difference was observed between the two groups. These results indicate that HYB is more efficient in stimulating acute increases in plasma GH and lactate without enhancing sympathetic nerve stimulation, compared to WT. Therefore, HYB may be an effective countermeasure to muscle disuse associated with bed rest or spaceflight.
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Affiliation(s)
- Hiroo Matsuse
- Division of Rehabilitation, Kurume University Hospital, Kurume, Fukuoka, Japan.
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Dreibati B, Lavet C, Pinti A, Poumarat G. Characterization of an electric stimulation protocol for muscular exercise. Ann Phys Rehabil Med 2011; 54:25-35. [PMID: 21195688 DOI: 10.1016/j.rehab.2010.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2010] [Revised: 11/20/2010] [Accepted: 11/22/2010] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The aim of this study is to evaluate the effect of rest time (ten minutes) on muscular strength production during a training session under electrical stimulation. PATIENTS AND METHODS The isometric force output of the quadriceps femoris muscle was recorded during four sessions of stimulation of five minutes (15 maximal contractions: five seconds on and 15 seconds of rest), on 13 healthy adults. These four sessions are spaced out of ten minutes of recovery. The frequency of current is 100 Hz. RESULTS At the 60th contraction, muscular force reaches 53 ± 7% of MVC. This value is significantly more important comparatively with a training session without rest time inside (27 ± 6% of MVC). CONCLUSION The efficiency of electrical stimulation to improve muscle strength seems to be dependent on number of contractions per session with a high level of force production (> =60% de MVC). The protocol including intermediate periods of recovery seems more effective in order to produce a high level of force during all the training session.
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Affiliation(s)
- B Dreibati
- BAPS EA 3533, université de Clermont-Ferrand, 24, avenue des Landais, 63170 Aubière-Clermont-Ferrand, France
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ELECTROPHYSICAL AGENTS - Contraindications And Precautions: An Evidence-Based Approach To Clinical Decision Making In Physical Therapy. Physiother Can 2011; 62:1-80. [PMID: 21886384 PMCID: PMC3031347 DOI: 10.3138/ptc.62.5] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Influence of electrical stimulation frequency on skeletal muscle force and fatigue. Ann Phys Rehabil Med 2010; 53:266-71, 271-7. [DOI: 10.1016/j.rehab.2010.03.004] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2009] [Accepted: 01/27/2010] [Indexed: 11/22/2022]
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Physiological effects of the TASER® C2 conducted energy weapon. Forensic Sci Med Pathol 2009; 5:189-98. [PMID: 19598011 DOI: 10.1007/s12024-009-9100-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2009] [Accepted: 06/03/2009] [Indexed: 10/20/2022]
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