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Li T, Soh KL, Zakaria NF, Pang Y, Wang P, Hu N. Effects of Laughter Yoga on Patients Receiving Hemodialysis: A Systematic Review. Holist Nurs Pract 2024; 38:202-212. [PMID: 38900006 DOI: 10.1097/hnp.0000000000000650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
When it comes to end-stage renal disease patients, hemodialysing is one of the most critical treatments they can receive. Even if they received hemodialysis (HD) treatment regularly, patients would experience many complications such as cardiovascular disease, fatigue, anxiety, depression, sleep disturbances, and a declining quality of life. Laughter Yoga has been reported to have many positive effects on patients with chronic illnesses. By removing or reducing stress, Laughter Yoga (LY) helps to improve patients' quality of life, Thus, they have a longer chance of survival. However, the effect of Laughter Yoga on HD patients is generally inconclusive. Objective is to evaluate LY's impact on HD patients. We searched electronic databases that included Web of Science, Embase, PubMed, the Cochrane Library, Wanfang, China National Knowledge Infrastructure, and clinical trial registries. The search period was from their inception to January 29, 2023. The search keywords included laughter therapy, laughter yoga, laugh, hemodialysis, dialysis, and renal dialysis. The systematic review included both randomized controlled trials (RCTs) and quasi-experiments studies. Three RCTs and three non-RCTs met the inclusion criteria. Laughter Yoga showed patients having improvement in several outcomes such as life quality, pain severity, sleep quality, subjective well-being, mood, depression, blood pressure, and vital capacity. A well-designed RCT will be developed to further test the potential benefits of LY for HD patients.
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Affiliation(s)
- Ting Li
- Author Affiliations: Department of Nursing, Universiti Putra Malaysia, Selangor, Serdang, Malaysia (Ms Li, Soh, Mr Wang, and Ms Hu); Nephrology Unit, Department of Medicine, Faculty of Medicine and Health Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia (Zakaria); Department of Nursing, Si Ping Central People's Hospital, Siping, Jilin, China (Ms Li); Department of Nursing, Chang Chun University of Traditional Chinese Medicine, Changchun, Jilin, China (Ms Pang); and Jiangxi Open University, Jiangxi, China (Ms Hu)
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Suo M, Zhou L, Wang J, Huang H, Zhang J, Sun T, Liu X, Chen X, Song C, Li Z. The Application of Surface Electromyography Technology in Evaluating Paraspinal Muscle Function. Diagnostics (Basel) 2024; 14:1086. [PMID: 38893614 PMCID: PMC11172025 DOI: 10.3390/diagnostics14111086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 05/01/2024] [Accepted: 05/07/2024] [Indexed: 06/21/2024] Open
Abstract
Surface electromyography (sEMG) has emerged as a valuable tool for assessing muscle activity in various clinical and research settings. This review focuses on the application of sEMG specifically in the context of paraspinal muscles. The paraspinal muscles play a critical role in providing stability and facilitating movement of the spine. Dysfunctions or alterations in paraspinal muscle activity can lead to various musculoskeletal disorders and spinal pathologies. Therefore, understanding and quantifying paraspinal muscle activity is crucial for accurate diagnosis, treatment planning, and monitoring therapeutic interventions. This review discusses the clinical applications of sEMG in paraspinal muscles, including the assessment of low back pain, spinal disorders, and rehabilitation interventions. It explores how sEMG can aid in diagnosing the potential causes of low back pain and monitoring the effectiveness of physical therapy, spinal manipulative therapy, and exercise protocols. It also discusses emerging technologies and advancements in sEMG techniques that aim to enhance the accuracy and reliability of paraspinal muscle assessment. In summary, the application of sEMG in paraspinal muscles provides valuable insights into muscle function, dysfunction, and therapeutic interventions. By examining the literature on sEMG in paraspinal muscles, this review offers a comprehensive understanding of the current state of research, identifies knowledge gaps, and suggests future directions for optimizing the use of sEMG in assessing paraspinal muscle activity.
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Affiliation(s)
- Moran Suo
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
| | - Lina Zhou
- Department of Neurology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China;
| | - Jinzuo Wang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
| | - Huagui Huang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
| | - Jing Zhang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
| | - Tianze Sun
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
| | - Xin Liu
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
| | - Xin Chen
- Musculoskeletal Research Laboratory, Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China;
| | - Chunli Song
- Department of Neurology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China;
| | - Zhonghai Li
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China; (M.S.); (J.W.); (H.H.); (J.Z.); (T.S.); (X.L.)
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian 116000, China
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Zauli FM, Del Vecchio M, Russo S, Mariani V, Pelliccia V, d'Orio P, Sartori I, Avanzini P, Caruana F. The web of laughter: frontal and limbic projections of the anterior cingulate cortex revealed by cortico-cortical evoked potential from sites eliciting laughter. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210180. [PMID: 36126672 PMCID: PMC9489285 DOI: 10.1098/rstb.2021.0180] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 02/02/2022] [Indexed: 12/20/2022] Open
Abstract
According to an evolutionist approach, laughter is a multifaceted behaviour affecting social, emotional, motor and speech functions. Albeit previous studies have suggested that high-frequency electrical stimulation (HF-ES) of the pregenual anterior cingulate cortex (pACC) may induce bursts of laughter-suggesting a crucial contribution of this region to the cortical control of this behaviour-the complex nature of laughter implies that outward connections from the pACC may reach and affect a complex network of frontal and limbic regions. Here, we studied the effective connectivity of the pACC by analysing the cortico-cortical evoked potentials elicited by single-pulse electrical stimulation of pACC sites whose HF-ES elicited laughter in 12 patients. Once these regions were identified, we studied their clinical response to HF-ES, to reveal the specific functional target of pACC representation of laughter. Results reveal that the neural representation of laughter in the pACC interacts with several frontal and limbic regions, including cingulate, orbitofrontal, medial prefrontal and anterior insular regions-involved in interoception, emotion, social reward and motor behaviour. These results offer neuroscientific support to the evolutionist approach to laughter, providing a possible mechanistic explanation of the interplay between this behaviour and emotion regulation, speech production and social interactions. This article is part of the theme issue 'Cracking the laugh code: laughter through the lens of biology, psychology and neuroscience'.
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Affiliation(s)
- F M Zauli
- Department of Biomedical and Clinical Sciences 'L. Sacco', University of Milan, Milan, Italy
- Department of Philosophy 'Piero Martinetti', University of Milan, Milan, Italy
- 'Claudio Munari' Epilepsy Surgery Center, ASST GOM Niguarda, Milan, Italy
| | - M Del Vecchio
- Institute of Neuroscience, National Research Council of Italy (CNR), Parma, Italy
| | - S Russo
- Department of Biomedical and Clinical Sciences 'L. Sacco', University of Milan, Milan, Italy
- Department of Philosophy 'Piero Martinetti', University of Milan, Milan, Italy
- Allen Institute, Seattle, WA
| | - V Mariani
- Neurology and Stroke Unit Division, Circolo Hospital ASST Settelaghi University of Insubria, Varese, Italy
| | - V Pelliccia
- 'Claudio Munari' Epilepsy Surgery Center, ASST GOM Niguarda, Milan, Italy
| | - P d'Orio
- 'Claudio Munari' Epilepsy Surgery Center, ASST GOM Niguarda, Milan, Italy
- Institute of Neuroscience, National Research Council of Italy (CNR), Parma, Italy
- Department of Medicine and Surgery, University of Parma, Parma
| | - I Sartori
- 'Claudio Munari' Epilepsy Surgery Center, ASST GOM Niguarda, Milan, Italy
| | - P Avanzini
- Institute of Neuroscience, National Research Council of Italy (CNR), Parma, Italy
| | - F Caruana
- Institute of Neuroscience, National Research Council of Italy (CNR), Parma, Italy
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Core Muscle Activity During Physical Fitness Exercises: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17124306. [PMID: 32560185 PMCID: PMC7345922 DOI: 10.3390/ijerph17124306] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/11/2020] [Accepted: 06/11/2020] [Indexed: 02/02/2023]
Abstract
The aim of this study was to systematically review the current literature on the electromyographic (EMG) activity of six core muscles (the rectus abdominis, the internal and external oblique, the transversus abdominis, the lumbar multifidus, and the erector spinae) during core physical fitness exercises in healthy adults. A systematic review of the literature was conducted on the Cochrane, EBSCO, PubMed, Scopus, and Web of Science electronic databases for studies from January 2012 to March 2020. The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines were used. The inclusion criteria were as follows: (a) the full text available in English; (b) a cross-sectional or longitudinal (experimental or cohorts) study design; (c) the reporting of electromyographic activity as a percentage of maximum voluntary contraction (% MVIC), millivolts or microvolts; (d) an analysis of the rectus abdominis (RA), transversus abdominis (TA), lumbar multifidus (MUL), erector spinae (ES), and the internal (IO) or external oblique (EO); (e) an analysis of physical fitness exercises for core training; and (f) healthy adult participants. The main findings indicate that the greatest activity of the RA, EO, and ES muscles was found in free-weight exercises. The greatest IO activity was observed in core stability exercises, while traditional exercises showed the greatest MUL activation. However, a lack of research regarding TA activation during core physical fitness exercises was revealed, in addition to a lack of consistency between the studies when applying methods to measure EMG activity.
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Laughter-inducing therapies: Systematic review and meta-analysis. Soc Sci Med 2019; 232:473-488. [DOI: 10.1016/j.socscimed.2019.02.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 01/24/2019] [Accepted: 02/11/2019] [Indexed: 01/09/2023]
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Law MM, Broadbent EA, Sollers JJ. A comparison of the cardiovascular effects of simulated and spontaneous laughter. Complement Ther Med 2018; 37:103-109. [PMID: 29609921 DOI: 10.1016/j.ctim.2018.02.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 02/01/2018] [Accepted: 02/15/2018] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES Laughter has long been regarded as beneficial for health, but the mechanisms are not clearly understood. The current study aimed to compare the acute cardiovascular effects of spontaneous and simulated laughter. DESIGN A mixed factorial experiment was performed to examine changes in cardiovascular variables in response to experimental tasks across conditions. INTERVENTIONS A sample of 72 participants were randomised to one of three 6 min interventions. Participants in the simulated laughter condition were asked to generate fake laughter, the spontaneous laughter condition viewed a humorous video, and the control condition watched a non-humorous documentary. This was followed by a laboratory stress task. MAIN OUTCOMES MEASURES Heart rate and heart rate variability (as indexed by rMSSD) were monitored continuously throughout the experiment using ECG. RESULTS The simulated laughter condition had a significantly higher heart rate (p < .001, ηp2 = .26) and lower rMSSD (p < .001, ηp2 = .13) during the laughter task compared to the other two conditions. Follow-up hierarchical regressions indicated that the difference in heart rate was due to the fact that the simulated condition produced more laughter. The difference in rMSSD, however, was unique to the simulated condition even when controlling for the amount of laughter. The simulated laughter condition had a significantly lower mean HR during the stress task but this was not significant after controlling amount of laughter produced. CONCLUSIONS Laughter leads to increased heart rate and reduced heart rate variability, which is similar to the effects of exercise. This finding is more pronounced in simulated laughter.
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Affiliation(s)
- Mikaela M Law
- Department of Psychological Medicine, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.
| | - Elizabeth A Broadbent
- Department of Psychological Medicine, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - John J Sollers
- Department of Psychological Medicine, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
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The effects of a simulated laughter programme on mood, cortisol levels, and health-related quality of life among haemodialysis patients. Complement Ther Clin Pract 2016; 25:1-7. [DOI: 10.1016/j.ctcp.2016.07.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 07/22/2016] [Accepted: 07/25/2016] [Indexed: 11/18/2022]
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Svebak S. Consequences of Laughter Upon Trunk Compression and Cortical Activation: Linear and Polynomial Relations. EUROPES JOURNAL OF PSYCHOLOGY 2016; 12:456-72. [PMID: 27547260 PMCID: PMC4991051 DOI: 10.5964/ejop.v12i3.1102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 05/04/2016] [Indexed: 11/24/2022]
Abstract
Results from two studies of biological consequences of laughter are reported. A proposed inhibitory brain mechanism was tested in Study 1. It aims to protect against trunk compression that can cause health hazards during vigorous laughter. Compression may be maximal during moderate durations and, for protective reasons, moderate in enduring vigorous laughs. Twenty-five university students volunteered to see a candid camera film. Laughter responses (LR) and the superimposed ha-responses were operationally assessed by mercury-filled strain gauges strapped around the trunk. On average, the thorax compression amplitudes exceeded those of the abdomen, and greater amplitudes were seen in the males than in the females after correction for resting trunk circumference. Regression analyses supported polynomial relations because medium LR durations were associated with particularly high thorax amplitudes. In Study 2, power changes were computed in the beta and alpha EEG frequency bands of the parietal cortex from before to after exposure to the comedy “Dinner for one” in 56 university students. Highly significant linear relations were calculated between the number of laughs and post-exposure cortical activation (increase of beta, decrease of alpha) due to high activation after frequent laughter. The results from Study 1 supported the hypothesis of a protective brain mechanism that is activated during long LRs to reduce the risk of harm to vital organs in the trunk cavity. The results in Study 2 supported a linear cortical activation and, thus, provided evidence for a biological correlate to the subjective experience of mental refreshment after laughter.
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Affiliation(s)
- Sven Svebak
- Faculty of Medicine, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
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Cosentino S, Sessa S, Takanishi A. Quantitative Laughter Detection, Measurement, and Classification-A Critical Survey. IEEE Rev Biomed Eng 2016; 9:148-62. [PMID: 26887012 DOI: 10.1109/rbme.2016.2527638] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The study of human nonverbal social behaviors has taken a more quantitative and computational approach in recent years due to the development of smart interfaces and virtual agents or robots able to interact socially. One of the most interesting nonverbal social behaviors, producing a characteristic vocal signal, is laughing. Laughter is produced in several different situations: in response to external physical, cognitive, or emotional stimuli; to negotiate social interactions; and also, pathologically, as a consequence of neural damage. For this reason, laughter has attracted researchers from many disciplines. A consequence of this multidisciplinarity is the absence of a holistic vision of this complex behavior: the methods of analysis and classification of laughter, as well as the terminology used, are heterogeneous; the findings sometimes contradictory and poorly documented. This survey aims at collecting and presenting objective measurement methods and results from a variety of different studies in different fields, to contribute to build a unified model and taxonomy of laughter. This could be successfully used for advances in several fields, from artificial intelligence and human-robot interaction to medicine and psychiatry.
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