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Betti S, Badioli M, Dalbagno D, Garofalo S, di Pellegrino G, Starita F. Topographically selective motor inhibition under threat of pain. Pain 2024:00006396-990000000-00633. [PMID: 38916518 DOI: 10.1097/j.pain.0000000000003301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 05/13/2024] [Indexed: 06/26/2024]
Abstract
ABSTRACT Pain-related motor adaptations may be enacted predictively at the mere threat of pain, before pain occurrence. Yet, in humans, the neurophysiological mechanisms underlying motor adaptations in anticipation of pain remain poorly understood. We tracked the evolution of changes in corticospinal excitability (CSE) as healthy adults learned to anticipate the occurrence of lateralized, muscle-specific pain to the upper limb. Using a Pavlovian threat conditioning task, different visual stimuli predicted pain to the right or left forearm (experiment 1) or hand (experiment 2). During stimuli presentation before pain occurrence, single-pulse transcranial magnetic stimulation was applied over the left primary motor cortex to probe CSE and elicit motor evoked potentials from target right forearm and hand muscles. The correlation between participants' trait anxiety and CSE was also assessed. Results showed that threat of pain triggered corticospinal inhibition specifically in the limb where pain was expected. In addition, corticospinal inhibition was modulated relative to the threatened muscle, with threat of pain to the forearm inhibiting the forearm and hand muscles, whereas threat of pain to the hand inhibited the hand muscle only. Finally, stronger corticospinal inhibition correlated with greater trait anxiety. These results advance the mechanistic understanding of pain processes showing that pain-related motor adaptations are enacted at the mere threat of pain, as sets of anticipatory, topographically organized motor changes that are associated with the expected pain and are shaped by individual anxiety levels. Including such anticipatory motor changes into models of pain may lead to new treatments for pain-related disorders.
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Affiliation(s)
- Sonia Betti
- Department of Psychology "Renzo Canestrari," Center for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy
- Department of General Psychology, University of Padova, Padova, Italy
| | - Marco Badioli
- Department of Psychology "Renzo Canestrari," Center for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy
| | - Daniela Dalbagno
- Department of Psychology "Renzo Canestrari," Center for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy
| | - Sara Garofalo
- Department of Psychology "Renzo Canestrari," Center for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy
| | - Giuseppe di Pellegrino
- Department of Psychology "Renzo Canestrari," Center for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy
| | - Francesca Starita
- Department of Psychology "Renzo Canestrari," Center for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy
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2
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Ogalo E, Linde LD, Ro H, Ortiz O, Kramer JLK, Berger MJ. Evaluating peripheral neuromuscular function with brief movement-evoked pain. J Neurophysiol 2024; 131:789-796. [PMID: 38353653 DOI: 10.1152/jn.00472.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/01/2024] [Accepted: 02/11/2024] [Indexed: 04/24/2024] Open
Abstract
Movement-evoked pain is an understudied manifestation of musculoskeletal conditions that contributes to disability, yet little is known about how the neuromuscular system responds to movement-evoked pain. The present study examined whether movement-evoked pain impacts force production, electromyographic (EMG) muscle activity, and the rate of force development (RFD) during submaximal muscle contractions. Fifteen healthy adults (9 males; age = 30.3 ± 10.2 yr, range = 22-59 yr) performed submaximal isometric first finger abduction contractions without pain (baseline) and with movement-evoked pain induced by laser stimulation to the dorsum of the hand. Normalized force (% maximal voluntary contraction) and RFD decreased by 11% (P < 0.001) and 15% (P = 0.003), respectively, with movement-evoked pain, without any change in normalized peak EMG (P = 0.77). Early contractile RFD, force impulse, and corresponding EMG amplitude computed within time segments of 50, 100, 150, and 200 ms relative to the onset of movement were also unaffected by movement-evoked pain (P > 0.05). Our results demonstrate that movement-evoked pain impairs peak characteristics and not early measures of submaximal force production and RFD, without affecting EMG activity (peak and early). Possible explanations for the stability in EMG with reduced force include antagonist coactivation and a reorganization of motoneuronal activation strategy, which is discussed here.NEW & NOTEWORTHY We provide neurophysiological evidence to indicate that peak force and rate of force development are reduced by movement-evoked pain despite a lack of change in EMG and early rapid force development in the first dorsal interosseous muscle. Additional evidence suggests that these findings may coexist with a reorganization in motoneuronal activation strategy.
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Affiliation(s)
- Emmanuel Ogalo
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Lukas D Linde
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
| | - Hannah Ro
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
| | - Oscar Ortiz
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
| | - John L K Kramer
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Michael J Berger
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
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Parrotta E, Bach P, Perrucci MG, Costantini M, Ferri F. Heart is deceitful above all things: Threat expectancy induces the illusory perception of increased heartrate. Cognition 2024; 245:105719. [PMID: 38278039 DOI: 10.1016/j.cognition.2024.105719] [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: 03/27/2023] [Revised: 11/24/2023] [Accepted: 01/08/2024] [Indexed: 01/28/2024]
Abstract
It has been suggested that our perception of the internal milieu, or the body's internal state, is shaped by our beliefs and previous knowledge about the body's expected state, rather than being solely based on actual interoceptive experiences. This study investigated whether heartbeat perception could be illusorily distorted towards prior subjective beliefs, such that threat expectations suffice to induce a misperception of heartbeat frequency. Participants were instructed to focus on their cardiac activity and report their heartbeat, either tapping along to it (Experiment 1) or silently counting (Experiment 2) while ECG was recorded. While completing this task, different cues provided valid predictive information about the intensity of an upcoming cutaneous stimulation (high- vs. low- pain). Results showed that participants expected a heart rate increase over the anticipation of high- vs. low-pain stimuli and that this belief was perceptually instantiated, as suggested by their interoceptive reports. Importantly, the perceived increase was not mirrored by the real heart rate. Perceptual modulations were absent when participants executed the same task but with an exteroceptive stimulus (Experiment 3). The findings reveal, for the first time, an interoceptive illusion of increased heartbeats elicited by threat expectancy and shed new light on interoceptive processes through the lenses of Bayesian predictive processes, providing tantalizing insights into how such illusory phenomena may intersect with the recognition and regulation of people's internal states.
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Affiliation(s)
- Eleonora Parrotta
- School of Psychology, University of Aberdeen, UK; School of Psychology, University of Plymouth, UK.
| | - Patric Bach
- School of Psychology, University of Aberdeen, UK; School of Psychology, University of Plymouth, UK
| | - Mauro Gianni Perrucci
- Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy; Institute for Advanced Biomedical Technologies - ITAB, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Marcello Costantini
- Department of Psychological, Health and Territorial Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy; Institute for Advanced Biomedical Technologies - ITAB, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Francesca Ferri
- Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy; Institute for Advanced Biomedical Technologies - ITAB, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
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Desmons M, Cherif A, Rohel A, de Oliveira FCL, Mercier C, Massé-Alarie H. Corticomotor Control of Lumbar Erector Spinae in Postural and Voluntary Tasks: The Influence of Transcranial Magnetic Stimulation Current Direction. eNeuro 2024; 11:ENEURO.0454-22.2023. [PMID: 38167617 PMCID: PMC10883751 DOI: 10.1523/eneuro.0454-22.2023] [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: 10/28/2022] [Revised: 11/30/2023] [Accepted: 12/16/2023] [Indexed: 01/05/2024] Open
Abstract
Lumbar erector spinae (LES) contribute to spine postural and voluntary control. Transcranial magnetic stimulation (TMS) preferentially depolarizes different neural circuits depending on the direction of electrical currents evoked in the brain. Posteroanterior current (PA-TMS) and anteroposterior (AP-TMS) current would, respectively, depolarize neurons in the primary motor cortex (M1) and the premotor cortex. These regions may contribute differently to LES control. This study examined whether responses evoked by PA- and AP-TMS are different during the preparation and execution of LES voluntary and postural tasks. Participants performed a reaction time task. A Warning signal indicated to prepare to flex shoulders (postural; n = 15) or to tilt the pelvis (voluntary; n = 13) at the Go signal. Single- and paired-pulse TMS (short-interval intracortical inhibition-SICI) were applied using PA- and AP-TMS before the Warning signal (baseline), between the Warning and Go signals (preparation), or 30 ms before the LES onset (execution). Changes from baseline during preparation and execution were calculated in AP/PA-TMS. In the postural task, MEP amplitude was higher during the execution than that during preparation independently of the current direction (p = 0.0002). In the voluntary task, AP-MEP amplitude was higher during execution than that during preparation (p = 0.016). More PA inhibition (SICI) was observed in execution than that in preparation (p = 0.028). Different neural circuits are preferentially involved in the two motor tasks assessed, as suggested by different patterns of change in execution of the voluntary task (AP-TMS, increase; PA-TMS, no change). Considering that PA-TMS preferentially depolarize neurons in M1, it questions their importance in LES voluntary control.
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Affiliation(s)
- Mikaël Desmons
- Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), CIUSSS de la Capitale-Nationale, Quebec City, Quebec G1M 2S8, Canada
- Rehabilitation Department, University Laval, Quebec City, Quebec G1V 0A6, Canada, G1V 0A6
| | - Amira Cherif
- Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), CIUSSS de la Capitale-Nationale, Quebec City, Quebec G1M 2S8, Canada
- Rehabilitation Department, University Laval, Quebec City, Quebec G1V 0A6, Canada, G1V 0A6
| | - Antoine Rohel
- Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), CIUSSS de la Capitale-Nationale, Quebec City, Quebec G1M 2S8, Canada
- Rehabilitation Department, University Laval, Quebec City, Quebec G1V 0A6, Canada, G1V 0A6
| | - Fábio Carlos Lucas de Oliveira
- Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), CIUSSS de la Capitale-Nationale, Quebec City, Quebec G1M 2S8, Canada
- Rehabilitation Department, University Laval, Quebec City, Quebec G1V 0A6, Canada, G1V 0A6
| | - Catherine Mercier
- Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), CIUSSS de la Capitale-Nationale, Quebec City, Quebec G1M 2S8, Canada
- Rehabilitation Department, University Laval, Quebec City, Quebec G1V 0A6, Canada, G1V 0A6
| | - Hugo Massé-Alarie
- Center for Interdisciplinary Research in Rehabilitation and Social Integration (Cirris), CIUSSS de la Capitale-Nationale, Quebec City, Quebec G1M 2S8, Canada
- Rehabilitation Department, University Laval, Quebec City, Quebec G1V 0A6, Canada, G1V 0A6
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Guerra-Armas J, Flores-Cortes M, Pineda-Galan C, Luque-Suarez A, La Touche R. Role of Immersive Virtual Reality in Motor Behaviour Decision-Making in Chronic Pain Patients. Brain Sci 2023; 13:brainsci13040617. [PMID: 37190582 DOI: 10.3390/brainsci13040617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 05/17/2023] Open
Abstract
Primary chronic pain is a major contributor to disability worldwide, with an estimated prevalence of 20-33% of the world's population. The high socio-economic impact of musculoskeletal pain justifies seeking an appropriate therapeutic strategy. Immersive virtual reality (VR) has been proposed as a first-line intervention for chronic musculoskeletal pain. However, the growing literature has not been accompanied by substantial progress in understanding how VR exerts its impact on the pain experience and what neurophysiological mechanisms might be involved in the clinical effectiveness of virtual reality interventions in chronic pain patients. The aim of this review is: (i) to establish the state of the art on the effects of VR on patients with chronic pain; (ii) to identify neuroplastic changes associated with chronic pain that may be targeted by VR intervention; and (iii) to propose a hypothesis on how immersive virtual reality could modify motor behavioral decision-making through an interactive experience in patients with chronic pain.
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Affiliation(s)
- Javier Guerra-Armas
- Faculty of Health Sciences, Universidad Las Palmas de Gran Canaria (ULPGC), 35016 Las Palmas, Spain
| | - Mar Flores-Cortes
- Faculty of Health Sciences, Universidad de Malaga, 29071 Malaga, Spain
| | | | - Alejandro Luque-Suarez
- Faculty of Health Sciences, Universidad de Malaga, 29071 Malaga, Spain
- Instituto de la Investigacion Biomedica de Malaga (IBIMA), 29071 Malaga, Spain
| | - Roy La Touche
- Departamento de Fisioterapia, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain
- Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain
- Instituto de Dolor Craneofacial y Neuromusculoesquelético (INDCRAN), 28008 Madrid, Spain
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Starita F, Garofalo S, Dalbagno D, Degni LAE, di Pellegrino G. Pavlovian threat learning shapes the kinematics of action. Front Psychol 2022; 13:1005656. [PMID: 36304859 PMCID: PMC9592852 DOI: 10.3389/fpsyg.2022.1005656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Prompt response to environmental threats is critical to survival. Previous research has revealed mechanisms underlying threat-conditioned physiological responses, but little is known about how threats shape action. Here we tested if threat learning shapes the kinematics of reaching in human adults. In two different experiments conducted on independent samples of participants, after Pavlovian threat learning, in which a stimulus anticipated the delivery of an aversive shock, whereas another did not, the peak velocity and acceleration of reaching increased for the shocked-paired stimulus, relative to the unpaired one. These kinematic changes appeared as a direct consequence of learning, emerging even in absence of an actual threat to body integrity, as no shock occurred during reaching. Additionally, they correlated with the strength of sympathetic response during threat learning, establishing a direct relationship between previous learning and subsequent changes in action. The increase in velocity and acceleration of action following threat learning may be adaptive to facilitate the implementation of defensive responses. Enhanced action invigoration may be maladaptive, however, when defensive responses are inappropriately enacted in safe contexts, as exemplified in a number of anxiety-related disorders.
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Dupuis F, de Fontenay BP, Bouffard J, Bouchard M, Bouyer LJ, Mercier C, Roy JS. Does musculoskeletal pain interfere with motor learning in a gait adaptation task? A proof-of-concept study. BMC Musculoskelet Disord 2022; 23:281. [PMID: 35321679 PMCID: PMC8944163 DOI: 10.1186/s12891-022-05237-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/10/2022] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Experimental pain during gait has been shown to interfere with learning a new locomotor task. However, very few studies have investigated the impact of clinical pain on motor learning due to the challenges associated with clinical populations. OBJECTIVE The first objective of this proof-of-concept study was to determine the feasibility to obtain two groups of participants with chronic ankle pathology with or without residual pain while walking. The second objective was to evaluate the impact of clinical musculoskeletal pain on motor learning during gait. METHODS Participants with chronic isolated ankle pathology were recruited and their personal and clinical characteristics were collected (functional performance, dorsiflexion maximal strength, range of motion). To assess motor acquisition (Day 1) and retention (Day 2), participants performed an adaptation task on two consecutive days that consisted of walking while experiencing a perturbing force applied to the ankle. The level of pain during the task was measured, and participants who reported pain were attributed to the Pain group and participants without pain to the No Pain group. Learning performance was assessed by measuring ankle kinematics (Mean plantarflexion absolute error) and learning strategy was assessed by measuring the Relative timing of error and the tibialis anterior (TA) electromyographic activity. RESULTS Twenty-five participants took part in the experiment. Eight (32%) were excluded because they could not be included in either the Pain or No Pain group due to the intermittent pain, leaving eight participants in the Pain group and nine in the No Pain group. Both groups were similar in terms of baseline characteristics. Musculoskeletal pain had no influence on learning performance, but the learning strategy were different between the two groups. The No Pain group showed a TA activity reduction before perturbation between the days, while the Pain group did not. CONCLUSION Some barriers were identified in studying musculoskeletal pain including the high rates of participants' exclusion, leading to a small sample size. However, we showed that it is feasible to investigate clinical pain and motor learning. From the results of this study, musculoskeletal pain has no influence on motor learning performance but influences the learning strategy.
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Affiliation(s)
- Frédérique Dupuis
- Centre interdisciplinaire de recherche en réadaptation et intégration sociale (Cirris), Centres intégrés universitaires de santé et de services sociaux de la Capitale Nationale (CIUSSS-CN), Quebec City, Canada.,Départment of Rehabilitation, Université Laval, Quebec City, Canada
| | - Benoit Pairot de Fontenay
- Centre interdisciplinaire de recherche en réadaptation et intégration sociale (Cirris), Centres intégrés universitaires de santé et de services sociaux de la Capitale Nationale (CIUSSS-CN), Quebec City, Canada
| | - Jason Bouffard
- Centre interdisciplinaire de recherche en réadaptation et intégration sociale (Cirris), Centres intégrés universitaires de santé et de services sociaux de la Capitale Nationale (CIUSSS-CN), Quebec City, Canada.,Départment of Rehabilitation, Université Laval, Quebec City, Canada
| | - Marc Bouchard
- Centre Hospitalier Universitaire de Québec, Quebec City, Canada
| | - Laurent J Bouyer
- Centre interdisciplinaire de recherche en réadaptation et intégration sociale (Cirris), Centres intégrés universitaires de santé et de services sociaux de la Capitale Nationale (CIUSSS-CN), Quebec City, Canada.,Départment of Rehabilitation, Université Laval, Quebec City, Canada
| | - Catherine Mercier
- Centre interdisciplinaire de recherche en réadaptation et intégration sociale (Cirris), Centres intégrés universitaires de santé et de services sociaux de la Capitale Nationale (CIUSSS-CN), Quebec City, Canada.,Départment of Rehabilitation, Université Laval, Quebec City, Canada
| | - Jean-Sébastien Roy
- Centre interdisciplinaire de recherche en réadaptation et intégration sociale (Cirris), Centres intégrés universitaires de santé et de services sociaux de la Capitale Nationale (CIUSSS-CN), Quebec City, Canada. .,Départment of Rehabilitation, Université Laval, Quebec City, Canada.
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Koppel L, Novembre G, Kämpe R, Savallampi M, Morrison I. Prediction and action in cortical pain processing. Cereb Cortex 2022; 33:794-810. [PMID: 35289367 PMCID: PMC9890457 DOI: 10.1093/cercor/bhac102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 02/04/2023] Open
Abstract
Predicting that a stimulus is painful facilitates action to avoid harm. But how distinct are the neural processes underlying the prediction of upcoming painful events vis-à-vis those taking action to avoid them? Here, we investigated brain activity as a function of current and predicted painful or nonpainful thermal stimulation, as well as the ability of voluntary action to affect the duration of upcoming stimulation. Participants performed a task which involved the administration of a painful or nonpainful stimulus (S1), which predicted an immediately subsequent very painful or nonpainful stimulus (S2). Pressing a response button within a specified time window during S1 either reduced or did not reduce the duration of the upcoming stimulation. Predicted pain increased activation in several regions, including anterior cingulate cortex (ACC), midcingulate cortex (MCC), and insula; however, activation in ACC and MCC depended on whether a meaningful action was performed, with MCC activation showing a direct relationship with motor output. Insula's responses for predicted pain were also modulated by potential action consequences, albeit without a direct relationship with motor output. These findings suggest that cortical pain processing is not specifically tied to the sensory stimulus, but instead, depends on the consequences of that stimulus for sensorimotor control of behavior.
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Affiliation(s)
- Lina Koppel
- Corresponding author: Department of Management and Engineering, Division of Economics, Linköping University, 581 83 Linköping, Sweden.
| | - Giovanni Novembre
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden,Center for Medical Image Science and Visualization (CMIV), Linköping University Hospital, 581 85 Linköping, Sweden
| | - Robin Kämpe
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden,Center for Medical Image Science and Visualization (CMIV), Linköping University Hospital, 581 85 Linköping, Sweden
| | - Mattias Savallampi
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden
| | - India Morrison
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, 581 83 Linköping, Sweden,Center for Medical Image Science and Visualization (CMIV), Linköping University Hospital, 581 85 Linköping, Sweden
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Adedara IA, Costa FV, Biasuz E, Canzian J, Farombi EO, Rosemberg DB. Influence of acid-sensing ion channel blocker on behavioral responses in a zebrafish model of acute visceral pain. Behav Brain Res 2022; 416:113565. [PMID: 34499933 DOI: 10.1016/j.bbr.2021.113565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/03/2021] [Accepted: 08/25/2021] [Indexed: 11/25/2022]
Abstract
Acid-sensing ion channels (ASICs) play significant roles in numerous neurological and pathological conditions, including pain. Although acid-induced nociception has been characterized previously in zebrafish, the contribution of ASICs in modulating pain-like behaviors is still unknown. Here, we investigated the role of amiloride, a nonselective ASICs blocker, in the negative modulation of specific behavioral responses in a zebrafish-based model of acute visceral pain. We verified that intraperitoneal injection (i.p.) of 0.25, 0.5, 1.0, and 2.0 mg/mL amiloride alone or vehicle did not change zebrafish behavior compared to saline-treated fish. Administration of 2.5% acetic acid (i.p.) elicited writhing-like response evidenced by the abnormal body curvature and impaired locomotion and motor activity. Attenuation of acetic acid-induced pain was verified at lower amiloride doses (0.25 and 0.5 mg/mL) whereas 1.0 and 2.0 mg/mL abolished pain-like responses. The protective effect of the highest amiloride dose tested was evident in preventing writhing-like responses and impaired locomotion and vertical activity. Collectively, amiloride antagonized abdominal writhing-like phenotype and aberrant behaviors, supporting the involvement of ASICs in a zebrafish-based model of acute visceral pain.
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Affiliation(s)
- Isaac A Adedara
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Fabiano V Costa
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Eduarda Biasuz
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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10
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Dupuis F, Sole G, Wassinger CA, Osborne H, Beilmann M, Mercier C, Campeau‐Lecours A, Bouyer LJ, Roy J. The impact of experimental pain on shoulder movement during an arm elevated reaching task in a virtual reality environment. Physiol Rep 2021; 9:e15025. [PMID: 34542241 PMCID: PMC8451030 DOI: 10.14814/phy2.15025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/04/2021] [Accepted: 08/11/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND People with chronic shoulder pain have been shown to present with motor adaptations during arm movements. These adaptations may create abnormal physical stress on shoulder tendons and muscles. However, how and why these adaptations develop from the acute stage of pain is still not well-understood. OBJECTIVE To investigate motor adaptations following acute experimental shoulder pain during upper limb reaching. METHODS Forty participants were assigned to the Control or Pain group. They completed a task consisting of reaching targets in a virtual reality environment at three time points: (1) baseline (both groups pain-free), (2) experimental phase (Pain group experiencing acute shoulder pain induced by injecting hypertonic saline into subacromial space), and (3) Post experimental phase (both groups pain-free). Electromyographic (EMG) activity, kinematics, and performance data were collected. RESULTS The Pain group showed altered movement planning and execution as shown by a significant increased delay to reach muscles EMG peak and a loss of accuracy, compared to controls that have decreased their mean delay to reach muscles peak and improved their movement speed through the phases. The Pain group also showed protective kinematic adaptations using less shoulder elevation and elbow flexion, which persisted when they no longer felt the experimental pain. CONCLUSION Acute experimental pain altered movement planning and execution, which affected task performance. Kinematic data also suggest that such adaptations may persist over time, which could explain those observed in chronic pain populations.
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Affiliation(s)
- Frédérique Dupuis
- Faculty of MedicineUniversité LavalQuebec CityCanada
- Centre for Interdisciplinary Research in Rehabilitation and Social IntegrationQuebec CityCanada
| | - Gisela Sole
- Centre for Health, Activity and Rehabilitation ResearchSchool of PhysiotherapyUniversity of OtagoDunedinNew Zealand
| | - Craig A. Wassinger
- Physical Therapy ProgramEast Tennessee State UniversityJohnson CityTNUSA
| | - Hamish Osborne
- Department of MedicineOtago Medical SchoolUniversity of OtagoDunedinNew Zealand
| | - Mathieu Beilmann
- Faculty of MedicineUniversité LavalQuebec CityCanada
- Centre for Interdisciplinary Research in Rehabilitation and Social IntegrationQuebec CityCanada
| | - Catherine Mercier
- Faculty of MedicineUniversité LavalQuebec CityCanada
- Centre for Interdisciplinary Research in Rehabilitation and Social IntegrationQuebec CityCanada
| | - Alexandre Campeau‐Lecours
- Centre for Interdisciplinary Research in Rehabilitation and Social IntegrationQuebec CityCanada
- Faculty of Science and EngineeringUniversité LavalQuebec CityCanada
| | - Laurent J. Bouyer
- Faculty of MedicineUniversité LavalQuebec CityCanada
- Centre for Interdisciplinary Research in Rehabilitation and Social IntegrationQuebec CityCanada
| | - Jean‐Sébastien Roy
- Faculty of MedicineUniversité LavalQuebec CityCanada
- Centre for Interdisciplinary Research in Rehabilitation and Social IntegrationQuebec CityCanada
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11
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Kinematic changes in goal-directed movements in a fear-conditioning paradigm. Sci Rep 2021; 11:11162. [PMID: 34045515 PMCID: PMC8159940 DOI: 10.1038/s41598-021-90518-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 05/10/2021] [Indexed: 11/08/2022] Open
Abstract
In individuals with a musculoskeletal disorder, goal-directed reaching movements of the hand are distorted. Here, we investigated a pain-related fear-conditioning effect on motor control. Twenty healthy participants (11 women and 9 men, 21.7 ± 2.7 years) performed a hand-reaching movement task. In the acquisition phase, a painful electrocutaneous stimulus was applied on the reaching hand simultaneous with the completion of reaching. In the subsequent extinction phase, the task context was the same but the painful stimulus was omitted. We divided the kinematic data of the hand-reaching movements into acceleration and deceleration periods based on the movement-velocity characteristics, and the duration of each period indicated the degree of impairment in the feedforward and feedback motor controls. We assessed the wavelet coherence between electromyograms of the triceps and biceps brachii muscles. In the acquisition phase, the durations of painful movements were significantly longer in both the acceleration and deceleration periods. In the extinction phase, painful movements were longer only in the acceleration period and higher pain expectation and fear were maintained. Similarly, the wavelet coherence of muscles in both periods were decreased in both the acquisition and extinction phases. These results indicate that negative emotional modulations might explain the altered motor functions observed in pain patients.
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12
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Osumi M, Sumitani M, Nishi Y, Nobusako S, Dilek B, Morioka S. Fear of movement-related pain disturbs cortical preparatory activity after becoming aware of motor intention. Behav Brain Res 2021; 411:113379. [PMID: 34051229 DOI: 10.1016/j.bbr.2021.113379] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 05/14/2021] [Accepted: 05/19/2021] [Indexed: 11/19/2022]
Abstract
Fear of movement-related pain is known to disturb the process of motor preparation in patients with chronic pain. In the present study, we aimed to clarify the neural mechanisms underlying the influence of fear movement-related pain on motor preparatory brain activity using Libet's clock and electroencephalography (EEG). Healthy participants were asked to press a button while watching a rotating Libet's clock-hand, and report the number on the clock ("W time") when they made the "decision" to press the button with their right index finger. Immediately after pressing the button, a painful electrical stimulus was delivered to the dorsum of the left hand, causing participants to feel fear of movement (button press-related pain). We found that fear of movement-related pain caused the W time to be early, and that the amplitudes of readiness potentials (RPs) increased after awareness of motor intention emerged. In addition, fear of movement-related pain caused over-activation of the medial frontal cortex, supplementary motor area, cingulate motor area, and primary motor cortex after participants became aware of their motor intention. Such over-activation might result from conflict between the unrealized desire to escape from a painful experience and motivation to perform a required motor task.
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Affiliation(s)
- Michihiro Osumi
- Graduate School of Health Science, Kio University, Nara, Japan; Neurorehabilitation Research Center, Kio University, Nara, Japan.
| | - Masahiko Sumitani
- Department of Pain and Palliative Medicine, The University of Tokyo Hospital, Tokyo, Japan
| | - Yuki Nishi
- Graduate School of Health Science, Kio University, Nara, Japan
| | - Satoshi Nobusako
- Graduate School of Health Science, Kio University, Nara, Japan; Neurorehabilitation Research Center, Kio University, Nara, Japan
| | - Burcu Dilek
- Trakya University, Faculty of Health Sciences, Department of Occupational Therapy, Edirne, Turkey; Institute of Health Sciences, PhD Candidate in Neuroscience, Istanbul Medipol University, Istanbul, Turkey
| | - Shu Morioka
- Graduate School of Health Science, Kio University, Nara, Japan; Neurorehabilitation Research Center, Kio University, Nara, Japan
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13
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Wang WE, Ho RLM, Ribeiro-Dasilva MC, Fillingim RB, Coombes SA. Chronic jaw pain attenuates neural oscillations during motor-evoked pain. Brain Res 2020; 1748:147085. [PMID: 32898506 DOI: 10.1016/j.brainres.2020.147085] [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: 11/05/2019] [Revised: 08/04/2020] [Accepted: 08/25/2020] [Indexed: 11/15/2022]
Abstract
Motor- and pain-related processes separately induce a reduction in alpha and beta power. When movement and pain occur simultaneously but are independent of each other, the effects on alpha and beta power are additive. It is not clear whether this additive effect is evident during motor-evoked pain in individuals with chronic pain. We combined highdensity electroencephalography (EEG) with a paradigm in which motor-evoked pain was induced during a jaw force task. Participants with chronic jaw pain and pain-free controls produced jaw force at 2% and 15% of their maximum voluntary contraction. The chronic jaw pain group showed exacerbated motor-evoked pain as force amplitude increased and showed increased motor variability and motor error irrespective of force amplitude. The chronic jaw pain group had an attenuated decrease in power in alpha and lower-beta frequencies in the occipital cortex during the anticipation and experience of motor-evoked pain. Rather than being additive, motor-evoked pain attenuated the modulation of alpha and beta power, and this was most evident in occipital cortex. Our findings provide the first evidence of changes in neural oscillations in the cortex during motor-evoked jaw pain.
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Affiliation(s)
- Wei-En Wang
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
| | - Rachel L M Ho
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
| | | | - Roger B Fillingim
- Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL, USA
| | - Stephen A Coombes
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA.
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14
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Wang WE, Ho RLM, Gatto B, van der Veen SM, Underation MK, Thomas JS, Antony AB, Coombes SA. Cortical dynamics of movement-evoked pain in chronic low back pain. J Physiol 2020; 599:289-305. [PMID: 33067807 DOI: 10.1113/jp280735] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/13/2020] [Indexed: 01/22/2023] Open
Abstract
KEY POINTS Cortical activity underlying movement-evoked pain is not well understood, despite being a key symptom of chronic musculoskeletal pain. We combined high-density electroencephalography with a full-body reaching protocol in a virtual reality environment to assess cortical activity during movement-evoked pain in chronic low back pain. Movement-evoked pain in individuals with chronic low back pain was associated with longer reaction times, delayed peak velocity and greater movement variability. Movement-evoked pain was associated with attenuated disinhibition in prefrontal motor areas, as evidenced by an attenuated reduction in beta power in the premotor cortex and supplementary motor area. ABSTRACT Although experimental pain alters neural activity in the cortex, evidence of changes in neural activity in individuals with chronic low back pain (cLBP) remains scarce and results are inconsistent. One of the challenges in studying cLBP is that the clinical pain fluctuates over time and often changes during movement. The goal of the present study was to address this challenge by recording high-density electroencephalography (HD-EEG) data during a full-body reaching task to understand neural activity during movement-evoked pain. HD-EEG data were analysed using independent component analyses, source localization and measure projection analyses to compare neural oscillations between individuals with cLBP who experienced movement-evoked pain and pain-free controls. We report two novel findings. First, movement-evoked pain in individuals with cLBP was associated with longer reaction times, delayed peak velocity and greater movement variability. Second, movement-evoked pain was associated with an attenuated reduction in beta power in the premotor cortex and supplementary motor area. Our observations move the field forward by revealing attenuated disinhibition in prefrontal motor areas during movement-evoked pain in cLBP.
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Affiliation(s)
- Wei-En Wang
- Department of Applied Physiology and Kinesiology, Laboratory for Rehabilitation Neuroscience, University of Florida, Gainesville, FL, USA
| | - Rachel L M Ho
- Department of Applied Physiology and Kinesiology, Laboratory for Rehabilitation Neuroscience, University of Florida, Gainesville, FL, USA
| | - Bryan Gatto
- Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Susanne M van der Veen
- Department of Physical Therapy, College of Health Professions, Virginia Commonwealth University, VA, USA
| | - Matthew K Underation
- Department of Physical Therapy, College of Health Professions, Virginia Commonwealth University, VA, USA
| | - James S Thomas
- Department of Physical Therapy, College of Health Professions, Virginia Commonwealth University, VA, USA
| | | | - Stephen A Coombes
- Department of Applied Physiology and Kinesiology, Laboratory for Rehabilitation Neuroscience, University of Florida, Gainesville, FL, USA
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15
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Impact of Experimental Tonic Pain on Corrective Motor Responses to Mechanical Perturbations. Neural Plast 2020; 2020:8864407. [PMID: 32802041 PMCID: PMC7415104 DOI: 10.1155/2020/8864407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/17/2020] [Accepted: 06/30/2020] [Indexed: 12/15/2022] Open
Abstract
Movement is altered by pain, but the underlying mechanisms remain unclear. Assessing corrective muscle responses following mechanical perturbations can help clarify these underlying mechanisms, as these responses involve spinal (short-latency response, 20-50 ms), transcortical (long-latency response, 50-100 ms), and cortical (early voluntary response, 100-150 ms) mechanisms. Pairing mechanical (proprioceptive) perturbations with different conditions of visual feedback can also offer insight into how pain impacts on sensorimotor integration. The general aim of this study was to examine the impact of experimental tonic pain on corrective muscle responses evoked by mechanical and/or visual perturbations in healthy adults. Two sessions (Pain (induced with capsaicin) and No pain) were performed using a robotic exoskeleton combined with a 2D virtual environment. Participants were instructed to maintain their index in a target despite the application of perturbations under four conditions of sensory feedback: (1) proprioceptive only, (2) visuoproprioceptive congruent, (3) visuoproprioceptive incongruent, and (4) visual only. Perturbations were induced in either flexion or extension, with an amplitude of 2 or 3 Nm. Surface electromyography was recorded from Biceps and Triceps muscles. Results demonstrated no significant effect of the type of sensory feedback on corrective muscle responses, no matter whether pain was present or not. When looking at the effect of pain on corrective responses across muscles, a significant interaction was found, but for the early voluntary responses only. These results suggest that the effect of cutaneous tonic pain on motor control arises mainly at the cortical (rather than spinal) level and that proprioception dominates vision for responses to perturbations, even in the presence of pain. The observation of a muscle-specific modulation using a cutaneous pain model highlights the fact that the impacts of pain on the motor system are not only driven by the need to unload structures from which the nociceptive signal is arising.
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16
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Yenişehir S, Çıtak Karakaya İ, Sivaslıoğlu AA, Özen Oruk D, Karakaya MG. Reliability and validity of Five Times Sit to Stand Test in pregnancy-related pelvic girdle pain. Musculoskelet Sci Pract 2020; 48:102157. [PMID: 32560864 DOI: 10.1016/j.msksp.2020.102157] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 01/16/2020] [Accepted: 03/13/2020] [Indexed: 11/16/2022]
Abstract
BACKGROUND Pelvic girdle pain (PGP) is a common musculoskeletal disorder during pregnancy, and functional mobility evaluation is very important in reflecting the treatment effects. OBJECTIVES To investigate reliability and validity of Five Times Sit-to-Stand (5TSS) test in pregnant women with and without PGP. DESIGN A cross-sectional observational study. METHODS One hundred sixty-seven women in the second or third trimester of pregnancy participated in two assessments one week apart. The 5TSS and Timed Up & Go (TUG) tests were used to assess functional mobility, in a randomized sequence, by two independent raters. Time to complete the tests were recorded. Perceived pain and difficulty during functional mobility tests were marked on two Visual Analogue Scales. Following tests of functional mobility, seven clinical tests were used to classify the subjects as with or without PGP. RESULTS The 25% of subjects had PGP. Inter-rater reliability of 5TSS was excellent for subjects with and without PGP (ICC = 0.999, 95% CI = 0.999-1.000; ICC = 0.999, 95% CI = 0.999-0.999, respectively). Test-retest reliability of 5TSS was also very high for subjects with and without PGP (ICC = 0.986, 95% CI = 0.959-0.995; ICC = 0.828, 95% CI = 0.632-0.920, respectively). The 5TSS scores were positively correlated with TUG scores (r = 0.420, p = 0.006 and r = 0.404, p = 0.000, respectively). The subjects reported higher pain (95% CI = 0.322-0.824) and difficulty (95%Cl = 0.500-1.042) during 5TSS than the TUG test. CONCLUSIONS The 5TSS test is a reliable and valid functional mobility outcome measure in pregnant women with and without PGP. Further psychometric properties of the measure such as responsiveness, should be investigated in the future.
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Affiliation(s)
- Semiha Yenişehir
- Muğla Sıtkı Koçman University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, 48000, Muğla, TURKEY; Muş Alparslan University, Department of Physiotherapy and Rehabilitation, 49250, Muş, TURKEY.
| | - İlkim Çıtak Karakaya
- Muğla Sıtkı Koçman University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, 48000, Muğla, TURKEY.
| | - Ahmet Akın Sivaslıoğlu
- Muğla Sıtkı Koçman University, Faculty of Medicine, Department of Obstetrics and Gynecology, 48000, Muğla, TURKEY.
| | - Dilara Özen Oruk
- Muğla Sıtkı Koçman University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, 48000, Muğla, TURKEY.
| | - Mehmet Gürhan Karakaya
- Muğla Sıtkı Koçman University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, 48000, Muğla, TURKEY.
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17
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Neige C, Brun C, Gagné M, Bouyer LJ, Mercier C. Do nociceptive stimulation intensity and temporal predictability influence pain-induced corticospinal excitability modulation? Neuroimage 2020; 216:116883. [DOI: 10.1016/j.neuroimage.2020.116883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 03/31/2020] [Accepted: 04/23/2020] [Indexed: 01/12/2023] Open
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18
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Somatosensory attending to the lower back is associated with response speed of movements signaling back pain. Brain Res 2019; 1723:146383. [PMID: 31419425 DOI: 10.1016/j.brainres.2019.146383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 06/14/2019] [Accepted: 08/12/2019] [Indexed: 11/22/2022]
Abstract
The present study investigated if preparing a movement that is expected to evoke pain results in hesitation to initiate the movement (i.e., avoidance) and, especially, if the allocation of attention to the threatened body part mediates such effect. To this end, healthy volunteers (N = 33) performed a postural perturbation task recruiting lower back muscles. In 'threat trials', the movement was sometimes followed by an experimental pain stimulus on the back, whereas in 'no-threat trials', a non-painful control stimulus was applied. Electroencephalography (EEG) was used to assess attending to the lower back. Specifically, somatosensory evoked potentials (SEPs) to task-irrelevant tactile stimuli administered to the lower back were recorded during movement preparation. Reaction times (RTs) were recorded to assess movement initiation. The results revealed faster responses and enhanced somatosensory attending to the lower back on threat trials than on no-threat trials. Importantly, the amplitude of the N95 SEP component predicted RTs and was found to partially mediate the effect of pain anticipation on movement initiation. These findings suggest that somatosensory attending might be a potential mechanism by which pain anticipation can modulate motor execution.
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de Souza CG, da Costa JF, de Sousa Dantas D, de Abreu Freitas RP, Lopes JM, Okano AH. Evaluation of pain, functional capacity and kinesiophobia in women in the chronic stage of chikungunya virus infection: A cross-sectional study in northeastern Brazil. Acta Trop 2019; 199:104853. [PMID: 30529444 DOI: 10.1016/j.actatropica.2018.12.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 12/28/2022]
Abstract
Arboviral diseases have been considered a global public health problem due to their growing territorial dispersion and impact on the population around the world. Individuals affected by the chikungunya virus go through an acute febrile illness associated with severe pain and long-lasting polyarthralgia. After the initial stage, infected individuals may progress to the chronic stage, which has an epidemic character and a high rate of disability and reduced mobility, impacting negatively on their quality of life. The aim of this study was to evaluate the relationship between pain, functional capacity, and kinesiophobia in individuals in the chronic stage of chikungunya virus infection. A cross-sectional study was conducted in the city of Natal, in Rio Grande do Norte, Brazil, between July and September 2018. The participants were 59 women in the chronic stage of chikungunya virus infection. Data were collected in at physical therapy outpatient clinic of the Federal University of Rio Grande do Norte (UFRN), using a socio-demographic questionnaire, the Visual Analogue Scale (VAS), the Nordic Musculoskeletal Questionnaire (NMQ), the Brief Pain Inventory (BPI), the Health Assessment Questionnaire (HAQ), and the Tampa Scale for Kinesiophobia (TSK). Descriptive statistics and bivariate analysis of the time data were conducted by simple regression. The participants' mean age was just over 50 years and average duration of virus infection was 21.54 months. Most participants had moderate to severe pain intensity that more frequent in the ankle and wrist joints. Functional capacity was low, and there was moderate fear of performing exercises and activities of daily living. Duration of infection was associated with increased pain intensity and loss of functional capacity. We can conclude that women in the chronic stage of chikungunya infection have significant pain, reduced functional capacity, and fear of performing common movements of daily living.
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20
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Osumi M, Sumitani M, Otake Y, Nishigami T, Mibu A, Nishi Y, Imai R, Sato G, Nagakura Y, Morioka S. Kinesiophobia modulates lumbar movements in people with chronic low back pain: a kinematic analysis of lumbar bending and returning movement. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2019; 28:1572-1578. [DOI: 10.1007/s00586-019-06010-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/07/2019] [Accepted: 05/13/2019] [Indexed: 10/26/2022]
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21
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Larsen DB, Graven-Nielsen T, Boudreau SA. Pain-Induced Reduction in Corticomotor Excitability Is Counteracted by Combined Action-Observation and Motor Imagery. THE JOURNAL OF PAIN 2019; 20:1307-1316. [PMID: 31077798 DOI: 10.1016/j.jpain.2019.05.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/22/2019] [Accepted: 05/02/2019] [Indexed: 11/30/2022]
Abstract
Musculoskeletal pain reduces corticomotor excitability (CE) and methods modulating such CE reduction remain elusive. This study aimed to modulate pain-induced CE reduction by performing action observation and motor imagery (AOMI) during experimental muscle pain. Twelve healthy participants participated in 3 cross-over and randomized sessions separated by 1 week. During the AOMI session subjects performed an AOMI task for 10 minutes. In the AOMI+PAIN session, hypertonic saline was injected in the first dorsal interosseous muscle before performing the AOMI task. In the PAIN session, participants remained at rest for 10 minutes or until pain-resolve after the hypertonic saline injection. CE was assessed using transcranial magnetic stimulation motor-evoked potentials (TMS-MEPs) of the first dorsal interosseous muscle at baseline, during, immediately after, and 10 minutes after AOMI and/or PAIN. Facilitated TMS-MEPs were found after 2 and 4 minutes of AOMI performance (P < .017) whereas a reduction in TMS-MEPs occurred at 4 minutes (P < .017) during the PAIN session. Performing the AOMI task during pain counteracted the reduction in CE, as evident by no change in TMS-MEPs during the AOMI+PAIN session (P > .017). Pain intensity was similar between the AOMI+PAIN and PAIN sessions (P = .71). This study, which may be considered a pilot, demonstrated the counteracting effects of AOMI on pain-induced decreases in CE and warrants further studies in a larger population. PERSPECTIVE: This is the first study to demonstrate a method counteracting the reduction in CE associated with acute pain and advances therapeutic possibilities for individuals with chronic musculoskeletal pain.
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Affiliation(s)
- Dennis Boye Larsen
- Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Faculty of Medicine, Aalborg, Denmark
| | - Thomas Graven-Nielsen
- Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Faculty of Medicine, Aalborg, Denmark
| | - Shellie Ann Boudreau
- Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Faculty of Medicine, Aalborg, Denmark.
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22
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Coombes SA, Wang WE, Roy A, Ho RLM. Neurophysiological evidence of the dynamic and adaptive pain-motor interaction. J Physiol 2018; 596:2639-2640. [PMID: 29886567 DOI: 10.1113/jp276325] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 05/10/2018] [Indexed: 12/29/2022] Open
Affiliation(s)
- Stephen A Coombes
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida
| | - Wei-En Wang
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida
| | - Arnab Roy
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida
| | - Rachel L M Ho
- Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida
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