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Brandl A, Wilke J, Egner C, Schmidt T, Schilder A, Schleip R. Pain quality patterns in delayed onset muscle soreness of the lower back suggest sensitization of fascia rather than muscle afferents: a secondary analysis study. Pflugers Arch 2024; 476:395-405. [PMID: 38102488 PMCID: PMC10847203 DOI: 10.1007/s00424-023-02896-8] [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: 08/07/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023]
Abstract
Delayed onset muscle soreness (DOMS) of the lower back is considered a surrogate for acute low back pain (aLBP) in experimental studies. Of note, it is often unquestioningly assumed to be muscle pain. To date, there has not been a study analyzing lumbar DOMS in terms of its pain origin, which was the aim of this study. Sixteen healthy individuals (L-DOMS) were enrolled for the present study and matched to participants from a previous study (n = 16, L-PAIN) who had undergone selective electrical stimulation of the thoracolumbar fascia and the multifidus muscle. DOMS was induced in the lower back of the L-DOMS group using eccentric trunk extensions performed until exhaustion. On subsequent days, pain on palpation (100-mm analogue scale), pressure pain threshold (PPT), and the Pain Sensation Scale (SES) were used to examine the sensory characteristics of DOMS. Pain on palpation showed a significant increase 24 and 48 h after eccentric training, whereas PPT was not affected (p > 0.05). Factor analysis of L-DOMS and L-PAIN sensory descriptors (SES) yielded a stable three-factor solution distinguishing superficial thermal ("heat pain ") from superficial mechanical pain ("sharp pain") and "deep pain." "Heat pain " and "deep pain" in L-DOMS were almost identical to sensory descriptors from electrical stimulation of fascial tissue (L-PAIN, all p > 0.679) but significantly different from muscle pain (all p < 0.029). The differences in sensory description patterns as well as in PPT and self-reported DOMS for palpation pain scores suggest that DOMS has a fascial rather than a muscular origin.
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Affiliation(s)
- Andreas Brandl
- Department of Sports Medicine, Institute for Human Movement Science, Faculty for Psychology and Human Movement Science, University of Hamburg, 20148, Hamburg, Germany.
- Conservative and Rehabilitative Orthopedics, Department of Sport and Health Sciences, Technical University of Munich, 80992, Munich, Germany.
- Vienna School of Osteopathy, 1130, Vienna, Austria.
| | - Jan Wilke
- Department of Movement Sciences, University of Klagenfurt, 9020, Klagenfurt, Austria
| | - Christoph Egner
- Department for Medical Professions, Diploma Hochschule, 37242, Bad Sooden-Allendorf, Germany
| | - Tobias Schmidt
- Osteopathic Research Institute, Osteopathie Schule Deutschland, 22297, Hamburg, Germany
- Institute of Interdisciplinary Exercise Science and Sports Medicine, MSH Medical School Hamburg, 20457, Hamburg, Germany
| | - Andreas Schilder
- Department of Orthopaedics and Trauma Surgery, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
| | - Robert Schleip
- Conservative and Rehabilitative Orthopedics, Department of Sport and Health Sciences, Technical University of Munich, 80992, Munich, Germany
- Department of Movement Sciences, University of Klagenfurt, 9020, Klagenfurt, Austria
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Li L, Li YX, Zhang CL, Zhang DH. Recovery of pinch force sense after short-term fatigue. Sci Rep 2023; 13:9429. [PMID: 37296199 PMCID: PMC10256726 DOI: 10.1038/s41598-023-36476-8] [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: 06/15/2022] [Accepted: 06/04/2023] [Indexed: 06/12/2023] Open
Abstract
The aim of this study was to identify the exact origin of force sense and identify whether it arises centrally or peripherally. The present study was designed to analyze the effects of short-term fatigue on pinch force sense and the duration of these effects. During the fatigue protocol, twenty (10 men and 10 women; Mage = 22.0 years old) young Chinese participants were asked to squeeze maximally until the pinch grip force decreased to 50% of its maximal due to fatigue. Participants were instructed to produce the target force (10% of maximal voluntary isometric contraction) using the same hand before and after fatigue (immediately, 10, 30, 60, 180, 300 s). The results showed significantly higher absolute error immediately after fatigue (1.22 ± 1.06 N) than before fatigue (0.68 ± 0.34 N), and 60 s (0.76 ± 0.69 N), 180 s (0.67 ± 0.42 N), and 300 s (0.75 ± 0.37 N) after fatigue (all P < 0.05) but with no effect on the variable error (P > 0.05). It was also revealed that there was a significant overestimate of the constant error values before (0.32 ± 0.61 N) and immediately after fatigue (0.80 ± 1.38 N, all P < 0.05), while no significant overestimation or underestimation exceeded 300 s after fatigue (P > 0.05). Our study results revealed that short-term fatigue resulted in a significant decrease in force sense accuracy, but it did not affect force sense consistently; however, force sense accuracy recovered to a certain extent within 10 s and 30 s, whereas it recovered fully within 60 s, and force sense directivity improvement exceeded 300 s after fatigue. The present study shows that the sense of tension (peripherally) is also an important factor affecting force sense. Our study supports the view that the periphery is part of the origin of force sense.
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Affiliation(s)
- Lin Li
- Department of Physical Education, Renmin University of China, No. 59 Zhongguancun Street, Beijing, 100872, China
| | - Yan-Xia Li
- College of Physical Education, Langfang Normal University, Langfang, Hebei, China.
| | - Chong-Long Zhang
- College of Physical Education, Langfang Normal University, Langfang, Hebei, China
| | - Dong-Hai Zhang
- College of Physical Education, Langfang Normal University, Langfang, Hebei, China
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Li L, Li S. Grip force makes wrist joint position sense worse. Front Hum Neurosci 2023; 17:1193937. [PMID: 37323932 PMCID: PMC10264640 DOI: 10.3389/fnhum.2023.1193937] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 05/10/2023] [Indexed: 06/17/2023] Open
Abstract
Background The purpose of this study was to investigate how grip force affects wrist joint position sense. Methods Twenty-two healthy participants (11 men and 11 women) underwent an ipsilateral wrist joint reposition test at 2 distinct grip forces [0 and 15% of maximal voluntary isometric contraction (MVIC)] and 6 different wrist positions (pronation 24°, supination 24°, radial deviation 16°, ulnar deviation 16°, extension 32°, and flexion 32°). Results The findings demonstrated significantly elevated absolute error values at 15% MVIC (3.8 ± 0.3°) than at 0% MVIC grip force [3.1 ± 0.2°, t(20) = 2.303, P = 0.032]. Conclusion These findings demonstrated that there was significantly worse proprioceptive accuracy at 15% MVIC than at 0% MVIC grip force. These results may contribute to a better comprehension of the mechanisms underlying wrist joint injuries, the development of preventative measures to lower the risk of injuries, and the best possible design of engineering or rehabilitation devices.
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Kısacık P, Tunay VB, Bek N, Atay ÖA, Selfe J, Karaduman AA. Short foot exercises have additional effects on knee pain, foot biomechanics, and lower extremity muscle strength in patients with patellofemoral pain. J Back Musculoskelet Rehabil 2021; 34:1093-1104. [PMID: 34024814 DOI: 10.3233/bmr-200255] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Patellofemoral pain (PFP) is a common knee problem. The foot posture in a relaxed stance is reported as a distal factor of PFP. However, the effects of short foot exercise (SFE) on the knee and functional factors have not yet been investigated in patients with PFP. OBJECTIVE This study aimed to investigate the additional effects of SFE on knee pain, foot biomechanics, and lower extremity muscle strength in patients with PFP following a standard exercise program. METHODS Thirty patients with a 'weak and pronated' foot subgroup of PFP were randomized into a control group (ConG, n= 15) and a short foot exercise group (SFEG, n= 15) with concealed allocation and blinded to the group assignment. The program of ConG consisted of hip and knee strengthening and stretching exercises. SFEG program consisted of additional SFE. Both groups performed the supervised training protocol two times per week for 6 weeks. Assessment measures were pain visual analog scale (pVAS), Kujala Patellofemoral Score (KPS), navicular drop test (NDT), rearfoot angle (RA), foot posture index (FPI), and strength tests of the lower extremity muscles. RESULTS Both groups displayed decreases in pVAS scores, but it was only significant in favor of SFEG. NDT, RA, and FPI scores decreased in SFEG whereas they increased in ConG. There was a significant group-by-time interaction effect in hip extensor strength and between-group difference was found to be significantly in favor of SFEG. CONCLUSIONS An intervention program consisting of additional SFE had positive effects on knee pain, navicular position, and rearfoot posture. An increase in the strength of the hip extensors may also be associated with improved stabilization by SFE.
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Affiliation(s)
- Pınar Kısacık
- Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Volga Bayrakcı Tunay
- Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Nilgün Bek
- Department of Physical Therapy and Rehabilitation, Faculty of Health Sciences, Lokman Hekim University, Ankara, Turkey
| | - Özgür Ahmet Atay
- Department of Orthopedics and Traumatology, Faculty of Medicine, Hacettepe University Ankara, Ankara, Turkey
| | - James Selfe
- Department of Health Professions, Faculty of Health, Manchester Metropolitan University, Manchester, UK
| | - Aynur Ayşe Karaduman
- Department of Physical Therapy and Rehabilitation, Faculty of Health Sciences, Lokman Hekim University, Ankara, Turkey
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Lee H, Shin J, Kim D, Park J. Effect of verbal encouragement on quadriceps and knee joint function during three sets of knee extension exercise. ISOKINET EXERC SCI 2021. [DOI: 10.3233/ies-203203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND: Although the common practice of verbal encouragement is scientifically supported, its effect on the maintenance of force output in fatiguing exertions is unknown. OBJECTIVE: To examine the effects of verbal encouragement on exercise-induced quadriceps and knee joint function during three sets of knee extension exercise. METHODS: Sixty-five healthy males (23.3 years, 175.8 cm, 75.3 kg) underwent testing using the administration of verbal encouragement (n= 32) or not (n= 33) during assessment of quadriceps and knee joint function. Assessments were performed at baseline and times 1, 2, and 3. The knee concentric isokinetic extension at 60∘/s, was performed between the time points. For quadriceps function, maximal isometric strength and activation (central activation ratio) were recorded. Absolute error values on knee flexion replications at 15∘ or 45∘ were recorded for knee joint function. RESULTS: There was no verbal encouragement effect over three sets of exercise in quadriceps strength (condition × time: F3,189= 1.71, p= 0.17) and knee flexion replication (condition × time for 15∘: F3,189= 0.11, p= 0.96; 45∘: F3,189= 0.63, p= 0.6). However, subjects who had received verbal encouragement maintained quadriceps activation (condition × time: F3,189= 5.49, p= 0.001). Specifically, quadriceps activation in the verbal condition was 3.0% higher at time 2 (p= 0.01) and 4.7% higher at time 3 (p= 0.0003) versus in the non-verbal condition. CONCLUSIONS: Verbal encouragement appears to be effective in maintaining central activation, but is insufficient for promoting strength. This supports the idea that peripheral contributing factors play a larger role in force production when performing multiple sets of exercises.
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Wahba MM, Galal DOSM, Rehan Youssef A. Smartphone usage duration is not associated with increased pain or proprioception deficit in young adults with chronic mechanical low back pain: a cross-sectional study. BULLETIN OF FACULTY OF PHYSICAL THERAPY 2020. [DOI: 10.1186/s43161-020-00010-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Smartphone use has been associated with pain in the upper quadrant; however, the relationship between usage duration and low back pain is still unclear. This study investigated the association between continuous smartphone use up to 30-min and back pain severity and proprioception acuity in patients with chronic low back pain. Fifty-eight patients with chronic mechanical LBP played a game for 10- and 30-min. In each session, pain and back repositioning errors were measured at baseline and immediately after task completion.
Results
Pain significantly but slightly increased following smartphone use, regardless to the duration (after 10 min: mean increase = 0.75 ± 1.17, P value < 0.001, 95% CI 0.44–1.06; after 30 min: mean increase = 0.96 ± 1.93, P value < 0.001, 95% CI 0.44–1.46). However, changes in perceived pain scores were not significantly different between the two tested durations (P value = 0.42). Proprioception repositioning error was not significantly different within the same testing session (mean change = 0.08 ± 1.83, 0.13 ± 1.77, P value = 0.73, 0.58, 95% CI − 0.40–0.56, − 0.60–0.33, for the 10 and 30 min, respectively). The changes in proprioception were not significant between the two-tested durations (P value = 0.56). Further, smartphone addiction did not significantly affect changes in pain and proprioception after game playing, regardless of the duration (P > 0.05).
Conclusions
These findings show that smartphone use slightly increases back pain immediately after continuous use; with no effect on back proprioception within the duration tested in this study. Changes in pain and proprioception were not influenced by smartphone addiction.
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Physical or Cognitive Exertion Does Not Influence Cortical Movement Preparation for Rapid Arm Movements. Motor Control 2020; 24:473-498. [DOI: 10.1123/mc.2019-0115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 05/04/2020] [Accepted: 05/14/2020] [Indexed: 11/18/2022]
Abstract
The contribution of central factors to movement preparation (e.g., the contingent negative variation [CNV]) and the influence of fatigue on such factors are still unclear, even though executive cognitive functions are regarded as key elements in motor control. Therefore, this study examined CNV amplitude with electroencephalography in 22 healthy humans during a rapid arm movement task prior to and following three experimental conditions: (a) a no exertion/control condition, (b) a physical exertion, and (c) a cognitive exertion. CNV amplitude was affected neither by a single bout of physical/cognitive exertion nor by the control condition. Furthermore, no time-on-task effects of the rapid arm movement task on the CNV were found. Exertion did not affect cortical movement preparation, which is in contrast to previous findings regarding time-on-task effects of exertion on CNV. Based on the current findings, the rapid arm movement task is deemed suitable to measure cortical movement preparation, without being affected by learning effects and physical/cognitive exertion.
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Costa Junior JD, de Seixas JM, Miranda de Sá AMFL. A template subtraction method for reducing electrocardiographic artifacts in EMG signals of low intensity. Biomed Signal Process Control 2019. [DOI: 10.1016/j.bspc.2018.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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9
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Larson DJ, Brown SH. The effects of trunk extensor and abdominal muscle fatigue on postural control and trunk proprioception in young, healthy individuals. Hum Mov Sci 2018; 57:13-20. [DOI: 10.1016/j.humov.2017.10.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 10/25/2017] [Accepted: 10/27/2017] [Indexed: 11/15/2022]
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10
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Abboud J, Rousseau B, Descarreaux M. Trunk proprioception adaptations to creep deformation. Eur J Appl Physiol 2017; 118:133-142. [DOI: 10.1007/s00421-017-3754-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 10/31/2017] [Indexed: 11/28/2022]
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Cornwall AR, Gregory DE. Low back cutaneous vibration and its effect on trunk postural control. Hum Mov Sci 2017; 54:331-338. [PMID: 28672126 DOI: 10.1016/j.humov.2017.06.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 06/22/2017] [Accepted: 06/24/2017] [Indexed: 11/17/2022]
Abstract
The current study investigated the effects of a low back pain (LBP) vibration modality on trunk motor control. Trunk repositioning error and responses to a sudden loading trunk perturbation were evaluated pre- and post-vibration (15min vibration exposure while sitting on a standard chair) as well as when concurrent cutaneous low back vibration was applied. Only minor effects were observed post-vibration when compared to pre-vibration. However, when vibration was applied at the same time as the sudden trunk perturbations, lumbar erector spinae and external oblique muscles were significantly more delayed in activating following the perturbation. In addition, the resting muscle activation prior to the trunk perturbation was higher in both the back extensor and abdominal muscles when concurrent vibration was applied. These findings suggest that cutaneous low back vibration significantly alters motor control responses and this should be considered before implementing cutaneous vibration as a low back pain management strategy.
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Affiliation(s)
- Adam R Cornwall
- Department of Kinesiology & Physical Education, Wilfrid Laurier University, 75 University Ave West, Waterloo, ON N2L 3C5, Canada.
| | - Diane E Gregory
- Department of Kinesiology & Physical Education, Wilfrid Laurier University, 75 University Ave West, Waterloo, ON N2L 3C5, Canada; Department of Health Sciences, Wilfrid Laurier University, 75 University Ave West, Waterloo, ON N2L 3C5, Canada.
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Jubany J, Danneels L, Angulo-Barroso R. The influence of fatigue and chronic low back pain on muscle recruitment patterns following an unexpected external perturbation. BMC Musculoskelet Disord 2017; 18:161. [PMID: 28420353 PMCID: PMC5395784 DOI: 10.1186/s12891-017-1523-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 04/07/2017] [Indexed: 11/20/2022] Open
Abstract
Background Chronic low back pain (CLBP) has been associated with altered trunk muscle responses as well as increased muscle fatigability. CLBP patients and fatigued healthy subjects could experience similar neuromuscular strategies to attempt to protect the spine. The current study examined muscle activation differences between healthy and CLBP subjects following a perturbation. In addition, the possible role of muscle fatigue was evaluated by investigating the healthy control subjects in a non-fatigued and a fatigued condition. Both experiments were combined to evaluate possible similar strategies between CLBP and fatigued samples. Methods Cross-sectional study where 24 CLBP subjects and 26 healthy subjects were evaluated. Both groups (CLBP vs. healthy) and both conditions (non-fatigued and a fatigued condition) were evaluated while a weight was suddenly dropped on a held tray. Erector spinae, multifidus, obliques and biceps brachii were recorded using surface electromyography. Variables describing the bursts timing and variables describing the amount of muscle activity (number of bursts and amplitude increase) post impact were studied. The analysis between groups and conditions was carried out using ANOVAs with repeated measurements for the muscle factor. Results CLBP subjects reacted similarly to healthy subjects regarding muscle activity post impact. However, the CLBP group showed temporal characteristics of muscle activity that were in between the fatigued and non-fatigued healthy group. Clear differences in muscle activity were displayed for healthy subjects. Fatigued healthy subjects presented more reduced activity after impact (upper limb and trunk muscles) than non-fatigued healthy subjects and different temporal characteristic in the same way than CLBP patients. This same temporal characteristic with CLBP and healthy fatigued people was a delay of the first burst of muscle activity after impact. Conclusion Though similar muscle pattern existed between CLBP and healthy people, CLBP temporal characteristics of muscle activity showed a pattern in between healthy people and fatigued healthy people. While the temporal muscle pattern dysfunction used by CLBP subjects could be related to maladaptive patterns, temporal and muscle activity characteristics used by healthy fatigued people may lead to back injuries.
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Affiliation(s)
- Júlia Jubany
- Institut Nacional d'Educació Física de Catalunya, (INEFC), University of Barcelona, Avinguda de l'Estadi 12-22, Anella Olímpica, 08038, Barcelona, Spain. .,Manresa University (Universitat de Vic Universitat Central de Catalunya), Avinguda Universitària 4-6, 08242, Manresa, Barcelona, Spain.
| | - Lieven Danneels
- Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Rehabilitation Sciences, Ghent University, Sint-Pietersnieuwstraat 25, B-9000, Ghent, Belgium
| | - Rosa Angulo-Barroso
- Institut Nacional d'Educació Física de Catalunya, (INEFC), University of Barcelona, Avinguda de l'Estadi 12-22, Anella Olímpica, 08038, Barcelona, Spain.,Department of Kinesiology, California State University, Northridge (CSUN), 18111 Nordhoff Street, 91330, Northridge, CA, USA
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Larsen L, Hirata R, Graven-Nielsen T. Pain-evoked trunk muscle activity changes during fatigue and DOMS. Eur J Pain 2017; 21:907-917. [DOI: 10.1002/ejp.993] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/06/2016] [Indexed: 11/09/2022]
Affiliation(s)
- L.H. Larsen
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI; Aalborg University; Denmark
- Department of Physiotherapy; University College North Denmark; Aalborg Denmark
| | - R.P. Hirata
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI; Aalborg University; Denmark
| | - T. Graven-Nielsen
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI; Aalborg University; Denmark
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Abboud J, Lardon A, Boivin F, Dugas C, Descarreaux M. Effects of Muscle Fatigue, Creep, and Musculoskeletal Pain on Neuromuscular Responses to Unexpected Perturbation of the Trunk: A Systematic Review. Front Hum Neurosci 2017; 10:667. [PMID: 28101013 PMCID: PMC5209383 DOI: 10.3389/fnhum.2016.00667] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 12/15/2016] [Indexed: 12/22/2022] Open
Abstract
Introduction: Trunk neuromuscular responses have been shown to adapt under the influence of muscle fatigue, as well as spinal tissue creep or even with the presence of low back pain (LBP). Despite a large number of studies exploring how these external perturbations affect the spinal stability, characteristics of such adaptations remains unclear. Aim: The purpose of this systematic review was to assess the quality of evidence of studies investigating trunk neuromuscular responses to unexpected trunk perturbation. More specifically, the targeted neuromuscular responses were trunk muscle activity reflex and trunk kinematics under the influence of muscle fatigue, spinal creep, and musculoskeletal pain. Methods: A research of the literature was conducted in Pubmed, Embase, and Sport-Discus databases using terms related to trunk neuromuscular reflex responses, measured by electromyography (baseline activity, reflex latency, and reflex amplitude) and/or trunk kinematic, in context of unexpected external perturbation. Moreover, independent variables must be either trunk muscle fatigue or spinal tissue creep or LBP. All included articles were scored for their electromyography methodology based on the “Surface Electromyography for the Non-Invasive Assessment of Muscles (SENIAM)” and the “International Society of Electrophysiology and Kinesiology (ISEK)” recommendations whereas overall quality of articles was scored using a specific quality checklist modified from the Quality Index. Meta-analysis was performed on reflex latency variable. Results: A final set of 29 articles underwent quality assessments. The mean quality score was 79%. No effect of muscle fatigue on erector spinae reflex latency following an unexpected perturbation, nor any other distinctive effects was found for back muscle fatigue and reflex parameters. As for spinal tissue creep effects, no alteration was found for any of the trunk reflex variables. Finally, the meta-analysis revealed an increased erector spinae reflex latency in patients with chronic LBP in comparison with healthy controls following an unexpected trunk perturbation. Conclusion: The literature provides some evidence with regard to trunk adaptions in a context of spinal instability. However, most of the evidence was inconclusive due to a high methodological heterogeneity between the studies.
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Affiliation(s)
- Jacques Abboud
- Département D'anatomie, Université du Québec à Trois-Rivières Trois-Rivières, QC, Canada
| | - Arnaud Lardon
- Pôle Recherche Clinique Chiropratique, Institut Franco-Européen de ChiropraxieIvry-Sur-Seine, France; Département des Sciences de L'activité Physique, Université du Québec à Trois-RivièresTrois-Rivières, QC, Canada
| | - Frédéric Boivin
- Département des Sciences de L'activité Physique, Université du Québec à Trois-Rivières Trois-Rivières, QC, Canada
| | - Claude Dugas
- Département des Sciences de L'activité Physique, Université du Québec à Trois-Rivières Trois-Rivières, QC, Canada
| | - Martin Descarreaux
- Département des Sciences de L'activité Physique, Université du Québec à Trois-Rivières Trois-Rivières, QC, Canada
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The effects of accumulated muscle fatigue on the mechanomyographic waveform: implications for injury prediction. Eur J Appl Physiol 2016; 116:1485-94. [DOI: 10.1007/s00421-016-3398-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 05/17/2016] [Indexed: 10/21/2022]
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Takasaki H, Lim ECW, Soon B. The effect of shoulder muscle fatigue on active repositioning acuity and scapulothoracic resting alignment: A systematic review with meta-analysis. Phys Ther Sport 2016; 20:61-78. [PMID: 27080109 DOI: 10.1016/j.ptsp.2016.01.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 12/30/2015] [Accepted: 01/11/2016] [Indexed: 11/19/2022]
Abstract
OBJECTIVES The purpose was to synthesize the current evidence for the impact of muscle fatigue on measures for active repositioning task of the glenohumeral or scapulothoracic movements including the absolute error and/or scapulothoracic resting alignment. METHODS We searched the PubMed, EMBASE, MEDLINE, CINAHL, SCOPUS, SportDiscuss and the Cochrane library databases. We included papers using a fatiguing task as part of their experimental design. Meta-analyses were undertaken for the active repositioning acuity of the glenohumeral outer/inner range of external rotation, glenohumeral inner range of internal rotation and scapulothoracic resting alignment in the scapular upward/downward rotation, anterior/posterior tilt and protraction/retraction planes. Qualitative data synthesis with standardized mean difference (SMD) was also conducted. RESULTS There was a significantly pooled SMD, -2.10 (95% confidence interval -2.57 to -1.63), P < 0.001) in active repositioning acuity of the glenohumeral outer range of external rotation before and after a fatiguing task. However, the pooled SMD in active repositioning acuity for other glenohumeral movements and scapulothoracic resting positions were not significant (P > 0.05). CONCLUSION Shoulder muscle fatigue impairs active repositioning acuity of the glenohumeral outer range of external rotation. Conversely, the current evidence does not support such impairment for the remaining glenohumeral movements and scapulothoracic resting alignments..
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Affiliation(s)
- Hiroshi Takasaki
- Department of Physical Therapy, Saitama Prefectural University, Sannomiya 820, Kosigaya, Saitama, 343-8540, Japan.
| | - Edwin Choon Wyn Lim
- Department of Physiotherapy, Singapore General Hospital, Singapore; Health and Social Science Cluster, Academic Programmes, Singapore Institute of Technology, Singapore.
| | - Benjamin Soon
- Health and Social Science Cluster, Academic Programmes, Singapore Institute of Technology, Singapore.
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Gondhalekar GA, Kumar SP, Eapen C, Mahale A. Reliability and Validity of Standing Back Extension Test for Detecting Motor Control Impairment in Subjects with Low Back Pain. J Clin Diagn Res 2016; 10:KC07-11. [PMID: 26894091 PMCID: PMC4740619 DOI: 10.7860/jcdr/2016/14987.7142] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2015] [Accepted: 11/24/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Low back pain is a chronic health problem with high socioeconomic impact. Specific diagnosis or treatment approach has not yet effectively established to treat chronic low back pain. Standing Back Extension Test is one of the clinical measures to detect the passive extension subgroup of Motor Control Impairment (MCI); which could have an impact on spinal stability leading to recurrent chronic low back pain. Reliability and validity of this test is not fully established. AIM To determine the intra-rater and inter-rater reliability and concurrent validity of the Standing Back Extension Test for detecting MCI of the lumbar spine. MATERIALS AND METHODS A total of 50 subjects were included in the study, 25 patients with Non Specific Low Back Pain (NSLBP) (12 men, 13 women) and 25 healthy controls (12 men, 13 women) were recruited into the study. All subjects performed the test movement. Two raters blinded to the subjects rated the test performance as either 'Positive' or 'Negative' based on the predetermined rating protocol. The thickness of Transverse Abdominis (TrA) muscle was assessed using Rehabilitative Ultrasound Imaging (RUSI). STATISTICAL TEST USED For reliability, the kappa coefficient with percent agreement was calculated and for assessing the validity Receiver Operator Characteristic (ROC) curves and Area under the Curve (AUC) were constructed. RESULTS The standing back extension test showed very good intra-rater (k=0.87 with an agreement of 96%) and good inter-rater (k=0.78 with an agreement of 94%) reliability and high AUC for TrA muscle. CONCLUSION The standing back extension test was found to be a reliable and a valid measure to detect passive extension subgroup for MCI in subjects with low back pain.
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Affiliation(s)
- Gauri A Gondhalekar
- Junior Executive, Department of Physiotherapy, Breach Candy Hospital Trust, Mumbai, India
| | - Senthil P Kumar
- Professor, Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation (MMIPR), Maharishi Markandeshwar University (MMU), Mullana-Ambala, Haryana, India
| | - Charu Eapen
- Associate Professor Department of Physiotherapy, Kasturba Medical College, Manipal University, KMC Hospital, Attavara, Mangalore, Karnataka, India
| | - Ajit Mahale
- Professor and Head, Department of Radio-diagnosis and Imaging, Kasturba Medical College, Mangalore and KMC Hospitals, Mangalore, Karnataka, India
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Boucher JA, Abboud J, Nougarou F, Normand MC, Descarreaux M. The Effects of Vibration and Muscle Fatigue on Trunk Sensorimotor Control in Low Back Pain Patients. PLoS One 2015; 10:e0135838. [PMID: 26308725 PMCID: PMC4550235 DOI: 10.1371/journal.pone.0135838] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 07/27/2015] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Changes in sensorimotor function and increased trunk muscle fatigability have been identified in patients with chronic low back pain (cLBP). This study assessed the control of trunk force production in conditions with and without local erector spinae muscle vibration and evaluated the influence of muscle fatigue on trunk sensorimotor control. METHODS Twenty non-specific cLBP patients and 20 healthy participants were asked to perform submaximal isometric trunk extension torque with and without local vibration stimulation, before and after a trunk extensor muscle fatigue protocol. Constant error (CE), variable error (VE) as well as absolute error (AE) in peak torque were computed and compared across conditions. Trunk extensor muscle activation during isometric contractions and during the fatigue protocol was measured using surface electromyography (sEMG). RESULTS Force reproduction accuracy of the trunk was significantly lower in the patient group (CE = 9.81 ± 2.23 Nm; AE = 18.16 ± 3.97 Nm) than in healthy participants (CE = 4.44 ± 1.68 Nm; AE = 12.23 ± 2.44 Nm). Local erector spinae vibration induced a significant reduction in CE (4.33 ± 2.14 Nm) and AE (13.71 ± 3.45 Nm) mean scores in the patient group. Healthy participants conversely showed a significant increase in CE (8.17 ± 2.10 Nm) and AE (16.29 ± 2.82 Nm) mean scores under vibration conditions. The fatigue protocol induced erector spinae muscle fatigue as illustrated by a significant decrease in sEMG median time-frequency slopes. Following the fatigue protocol, patients with cLBP showed significant decrease in sEMG root mean square activity at L4-5 level and responded in similar manner with and without vibration stimulation in regard to CE mean scores. CONCLUSIONS Patients with cLBP have a less accurate force reproduction sense than healthy participants. Local muscle vibration led to significant trunk neuromuscular control improvements in the cLBP patients before and after a muscle fatigue protocol. Muscle vibration stimulation during motor control exercises is likely to influence motor adaptation and could be considered in the treatment of cLBP. Further work is needed to clearly identify at what levels of the sensorimotor system these gains are achievable.
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Affiliation(s)
- Jean-Alexandre Boucher
- Département de Psychologie, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
- * E-mail:
| | - Jacques Abboud
- Département d’anatomie, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - François Nougarou
- Département des sciences de l’activité physique, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Martin C. Normand
- Département de chiropratique, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Martin Descarreaux
- Département des sciences de l’activité physique, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
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Treleaven J, Takasaki H. High variability of the subjective visual vertical test of vertical perception, in some people with neck pain - Should this be a standard measure of cervical proprioception? ACTA ACUST UNITED AC 2014; 20:183-8. [PMID: 25241660 DOI: 10.1016/j.math.2014.08.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 08/06/2014] [Accepted: 08/26/2014] [Indexed: 11/19/2022]
Abstract
BACKGROUND Subjective visual vertical (SVV) assesses visual dependence for spacial orientation, via vertical perception testing. Using the computerized rod-and-frame test (CRFT), SVV is thought to be an important measure of cervical proprioception and might be greater in those with whiplash associated disorder (WAD), but to date research findings are inconsistent. OBJECTIVE The aim of this study was to investigate the most sensitive SVV error measurement to detect group differences between no neck pain control, idiopathic neck pain (INP) and WAD subjects. DESIGN Cross sectional study. METHODS Neck Disability Index (NDI), Dizziness Handicap Inventory short form (DHIsf) and the average constant error (CE), absolute error (AE), root mean square error (RMSE), and variable error (VE) of the SVV were obtained from 142 subjects (48 asymptomatic, 36 INP, 42 WAD). RESULTS The INP group had significantly (p < 0.03) greater VE and RMSE when compared to both the control and WAD groups. There were no differences seen between the WAD and controls. CONCLUSION The results demonstrated that people with INP (not WAD), had an altered strategy for maintaining the perception of vertical by increasing variability of performance. This may be due to the complexity of the task. Further, the SVV performance was not related to reported pain or dizziness handicap. These findings are inconsistent with other measures of cervical proprioception in neck pain and more research is required before the SVV can be considered an important measure and utilized clinically.
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Affiliation(s)
- Julia Treleaven
- CCRE Spine, Division of Physiotherapy, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane 4072, Australia.
| | - Hiroshi Takasaki
- CCRE Spine, Division of Physiotherapy, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane 4072, Australia
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Han JT, Lee JH. Effects of kinesiology taping on repositioning error of the knee joint after quadriceps muscle fatigue. J Phys Ther Sci 2014; 26:921-3. [PMID: 25013297 PMCID: PMC4085222 DOI: 10.1589/jpts.26.921] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 01/08/2014] [Indexed: 11/29/2022] Open
Abstract
[Purpose] The purpose of this study was to identify the effects of kinesiology taping on
repositioning error of the knee joint after quadriceps muscle fatigue. [Subjects] Thirty
healthy adults with no orthopaedic or neurological problems participated in this study.
[Methods] The repositioning error of the knee joint was measured using a digital
goniometer when the subjects extended their dominant-side knee to a random target angle
(30°, 45°, or 60°) with their eyes closed, before and after a quadriceps muscle fatigue
protocol, and after application of kinesiology tape. [Results] We found that repositioning
errors of the dominant-side knee joint increased after quadriceps fatigue compared with
no-fatigue conditions. However, kinesiology taping of the quadriceps muscle and patella
after quadriceps fatigue significantly decreased repositioning errors of the knee joint.
[Conclusion] These results suggest that quadriceps fatigue increases the repositioning
error of the knee joint, whereas application of kinesiology tape decreases fatigue-induced
joint repositioning error.
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Affiliation(s)
- Jin Tae Han
- Department of Physical Therapy, College of Science, Kyung Sung University, Republic of Korea
| | - Jung-Hoon Lee
- Department of Physical Therapy, College of Nursing and Healthcare Sciences, Dong-eui University, Republic of Korea
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McKeon PO, Hertel J, Bramble D, Davis I. The foot core system: a new paradigm for understanding intrinsic foot muscle function. Br J Sports Med 2014; 49:290. [DOI: 10.1136/bjsports-2013-092690] [Citation(s) in RCA: 218] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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