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Haueise A, Le Sant G, Eisele-Metzger A, Dieterich AV. Is musculoskeletal pain associated with increased muscle stiffness? Evidence map and critical appraisal of muscle measurements using shear wave elastography. Clin Physiol Funct Imaging 2024; 44:187-204. [PMID: 38155545 DOI: 10.1111/cpf.12870] [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: 06/06/2023] [Revised: 11/13/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
INTRODUCTION AND AIMS Approximately 21% of the world's population suffers from musculoskeletal conditions, often associated with sensations of stiff muscles. Targeted therapy requires knowing whether typically involved muscles are objectively stiffer compared to asymptomatic individuals. Muscle stiffness is quantified using ultrasound shear wave elastography (SWE). Publications on SWE-based comparisons of muscle stiffness between individuals with and without musculoskeletal pain are increasing rapidly. This work reviewed and mapped the existing evidence regarding objectively measured muscle stiffness in musculoskeletal pain conditions and surveyed current methods of applying SWE to measure muscle stiffness. METHODS A systematic search was conducted in PubMed and CINAHL using the keywords "muscle stiffness", "shear wave elastography", "pain", "asymptomatic controls" and synonyms. The search was supplemented by a hand search using Google Scholar. Included articles were critically appraised with the AXIS tool, supplemented by items related to SWE methods. Results were visually mapped and narratively described. RESULTS Thirty of 137 identified articles were included. High-quality evidence was missing. The results comprise studies reporting lower stiffness in symptomatic participants, no differences between groups and higher stiffness in symptomatic individuals. Results differed between pain conditions and muscles, and also between studies that examined the same muscle(s) and pathology. The methods of the application of SWE were inconsistent and the reporting was often incomplete. CONCLUSIONS Existing evidence regarding the objective stiffness of muscles in musculoskeletal pain conditions is conflicting. Methodological differences may explain most of the inconsistencies between findings. Methodological standards for SWE measurements of muscles are urgently required.
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Affiliation(s)
- Andreas Haueise
- Faculty of Health, Security, Society, Furtwangen University, Furtwangen, Germany
| | - Guillaume Le Sant
- CHU Nantes, Movement-Interactions-Performance, MIP, Nantes Université, Nantes, France
- School of Physiotherapy, IFM3R, St-Sebastien/Loire, France
| | - Angelika Eisele-Metzger
- Institute for Evidence in Medicine, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany
| | - Angela V Dieterich
- Faculty of Health, Security, Society, Furtwangen University, Furtwangen, Germany
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Rossato J, Tucker KJ, Avrillon S, Lacourpaille L, Holobar A, Hug F. Less common synaptic input between muscles from the same group allows for more flexible coordination strategies during a fatiguing task. J Neurophysiol 2022; 127:421-433. [PMID: 35020505 DOI: 10.1152/jn.00453.2021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This study aimed to determine whether neural drive is redistributed between muscles during a fatiguing isometric contraction, and if so, whether the initial level of common synaptic input between these muscles constrains this redistribution. We studied two muscle groups: triceps surae (14 participants) and quadriceps (15 participants). Participants performed a series of submaximal isometric contractions and a torque-matched contraction maintained until task failure. We used high-density surface electromyography to identify the behavior of 1874 motor units from the soleus, gastrocnemius medialis (GM), gastrocnemius lateralis(GL), rectus femoris, vastus lateralis (VL), and vastus medialis(VM). We assessed the level of common drive between muscles in absence of fatigue using a coherence analysis. We also assessed the redistribution of neural drive between muscles during the fatiguing contraction through the correlation between their cumulative spike trains (index of neural drive). The level of common drive between VL and VM was significantly higher than that observed for the other muscle pairs, including GL-GM. The level of common drive increased during the fatiguing contraction, but the differences between muscle pairs persisted. We also observed a strong positive correlation of neural drive between VL and VM during the fatiguing contraction (r=0.82). This was not observed for the other muscle pairs, including GL-GM, which exhibited differential changes in neural drive. These results suggest that less common synaptic input between muscles allows for more flexible coordination strategies during a fatiguing task, i.e., differential changes in neural drive across muscles. The role of this flexibility on performance remains to be elucidated.
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Affiliation(s)
- Julien Rossato
- Nantes Université, Laboratory "Movement, Interactions, Performance" (EA 4334), Nantes, France
| | - Kylie J Tucker
- The University of Queensland, School of Biomedical Sciences, Brisbane, Queensland, Australia
| | - Simon Avrillon
- Legs + Walking AbilityLab, Shirley Ryan AbilityLab, Chicago, IL, United States.,Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, United States
| | - Lilian Lacourpaille
- Nantes Université, Laboratory "Movement, Interactions, Performance" (EA 4334), Nantes, France
| | - Ales Holobar
- Faculty of Electrical Engineering and Computer Science, University of Maribor, Slovenia
| | - François Hug
- Nantes Université, Laboratory "Movement, Interactions, Performance" (EA 4334), Nantes, France.,Institut Universitaire de France (IUF), Paris, France.,Université Côte d'Azur, LAMHESS, Nice, France
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3
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Relationship between individual forces of each quadriceps head during low-load knee extension and cartilage thickness and knee pain in women with knee osteoarthritis. Clin Biomech (Bristol, Avon) 2022; 91:105546. [PMID: 34920238 DOI: 10.1016/j.clinbiomech.2021.105546] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 11/11/2021] [Accepted: 12/07/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND This study aimed to clarify the individual forces of each quadriceps head during low-load contractions and to determine the associations between individual muscle force and cartilage thickness and symptoms in female knee osteoarthritis patients. METHODS Twenty-two women with painful knee osteoarthritis and 15 asymptomatic age-matched women (control group) participated in this cross-sectional study. Maximal knee extension strength and the cross-sectional area of each quadriceps muscle were measured. Shear modulus was calculated for each muscle during 20-Nm torque production by shear-wave elastography. Muscle force index was defined as the product of the cross-sectional area and shear modulus. Medial femur cartilage thickness was measured using an ultrasound B-mode image. Knee pain during gait was evaluated using a Numerical Rating Scale. Muscle force index, cross-sectional area, and maximal knee extension strength, which were defined as muscle functions, were compared between groups using the unpaired t-test. Correlation coefficients were calculated using muscle function, cartilage thickness, or pain. FINDINGS Maximal strength and vastus lateralis force index were smaller in the knee osteoarthritis group than in the control group (p < 0.001 and p = 0.005, respectively). In the knee osteoarthritis group, vastus medialis and vastus lateralis force indexes were positively correlated with cartilage thickness (r = 0.57 and r = 0.45, respectively), whereas the rectus femoris force index was negatively correlated with cartilage thickness (r = -0.45). The vastus lateralis force index was negatively correlated with knee pain (ρ = -0.56). INTERPRETATION Vasti force indices were positively associated with cartilage thickness; however, rectus femoris index was negatively associated in female patients with knee osteoarthritis.
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Guilleron C, Abraham P, Beaune B, Pouliquen C, Henni S, Durand S. Location of ischemia and ischemic pain intensity affect spatiotemporal parameters and leg muscles activity during walking in patients with intermittent claudication. Sci Rep 2021; 11:6809. [PMID: 33762658 PMCID: PMC7990938 DOI: 10.1038/s41598-021-86351-7] [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: 07/09/2019] [Accepted: 03/07/2021] [Indexed: 12/31/2022] Open
Abstract
The ways in which locations of ischemia and ischemic pain affect spatiotemporal gait parameters and leg electromyographic activity during walking have never been investigated in patients with peripheral arterial disease presenting intermittent claudication. Two groups were classified according to unilateral location of ischemia (distal, n = 10, or proximo-distal, n = 12). Patients described pain and three gait phases-initial pain-free, onset of pain and maximum pain-were analyzed. Patients with proximo-distal ischemia walked less (230 ± 111 m vs 384 ± 220 m), with increased step length, step time (+ 5.4% and + 5.8%) and reduced cadence (- 8.2%), than patients with distal ischemia. In both, the peaks of vertical ground reaction force were reduced in maximum pain (Peak1-distal: - 11.4%, Peak1-proximo-distal: - 10.3%; Peak2-distal: - 11.8%, Peak2-proximo-distal: - 9.0%). In the proximo-distal group, tibialis anterior activation peak and time were lower than in the distal group (- 4.5% and - 19.7%). During the maximum pain phase, this peak decreased only in the proximo-distal group (- 13.0%), and gastrocnemius medialis activation peak and time decreased in both groups (- 2.5% in distal and - 4.5% in proximo-distal). Thus, proximo-distal ischemia leads to more adverse consequences in gait than distal ischemia only. Increasing ischemic pain until maximum, but not onset of pain, induced gait adaptations.
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Affiliation(s)
- Céline Guilleron
- Le Mans Université, Movement-Interactions-Performance, MIP, EA 4334, 72000, Le Mans, France.,UMR CNRS 6015 INSERM 1083, University of Angers, 4 rue Larrey, 49100, Angers, France.,Department of Vascular Medicine, University Hospital of Angers, 4 rue Larrey, 49100, Angers, France
| | - Pierre Abraham
- Sports Medicine, University Hospital of Angers, 4 rue Larrey, 49100, Angers, France.,UMR CNRS 6015 INSERM 1083, University of Angers, 4 rue Larrey, 49100, Angers, France
| | - Bruno Beaune
- Le Mans Université, Movement-Interactions-Performance, MIP, EA 4334, 72000, Le Mans, France
| | - Camille Pouliquen
- Le Mans Université, Movement-Interactions-Performance, MIP, EA 4334, 72000, Le Mans, France
| | - Samir Henni
- UMR CNRS 6015 INSERM 1083, University of Angers, 4 rue Larrey, 49100, Angers, France.,Department of Vascular Medicine, University Hospital of Angers, 4 rue Larrey, 49100, Angers, France
| | - Sylvain Durand
- Le Mans Université, Movement-Interactions-Performance, MIP, EA 4334, 72000, Le Mans, France. .,Laboratory "Movement, Interactions, Performance", MIP, EA 4334, Le Mans University, Avenue Olivier Messiaen, 72085, Le Mans Cedex 9, France.
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Avrillon S, Del Vecchio A, Farina D, Pons JL, Vogel C, Umehara J, Hug F. Individual differences in the neural strategies to control the lateral and medial head of the quadriceps during a mechanically constrained task. J Appl Physiol (1985) 2021; 130:269-281. [DOI: 10.1152/japplphysiol.00653.2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
We observed that the distribution of the strength of neural drive between the vastus lateralis and vastus medialis during a single-joint isometric task varied across participants. Also, we observed that the proportion of neural drive that was shared within and between these muscles also varied across participants. These results provide evidence that the neural strategies to control the vastus lateralis and vastus medialis muscles widely vary across individuals, even during a mechanically constrained task.
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Affiliation(s)
- Simon Avrillon
- Legs + Walking AbilityLab, Shirley Ryan AbilityLab, Chicago, Illinois
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois
- Laboratory Movement, Interactions, Performance, Université de Nantes, Nantes, France
| | - Alessandro Del Vecchio
- Department of Artificial Intelligence in Biomedical Engineering, Friedrich-Alexander University, Erlangen-Nürnberg, Erlangen, Germany
- Neuromechanics and Rehabilitation Technology Group, Department of Bioengineering, Faculty of Engineering, Imperial College, London, United Kingdom
| | - Dario Farina
- Neuromechanics and Rehabilitation Technology Group, Department of Bioengineering, Faculty of Engineering, Imperial College, London, United Kingdom
| | - José L. Pons
- Legs + Walking AbilityLab, Shirley Ryan AbilityLab, Chicago, Illinois
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois
| | - Clément Vogel
- Laboratory Movement, Interactions, Performance, Université de Nantes, Nantes, France
| | - Jun Umehara
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Japan Society for the Promotion of Science, Tokyo, Japan
| | - François Hug
- Laboratory Movement, Interactions, Performance, Université de Nantes, Nantes, France
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
- Institut Universitaire de France, Paris, France
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Gomes MG, Primo AF, De Jesus LLJR, Dionisio VC. Short-term Effects of Mulligan's Mobilization With Movement on Pain, Function, and Emotional Aspects in Individuals With Knee Osteoarthritis: A Prospective Case Series. J Manipulative Physiol Ther 2020; 43:437-445. [PMID: 32839020 DOI: 10.1016/j.jmpt.2019.04.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 04/08/2019] [Accepted: 04/08/2019] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To evaluate the short-term effects of Mulligan's mobilization with movement (MWM) on pain, physical function, emotional aspects, and proprioceptive acuity after a 2-week treatment period and throughout a 3-week follow-up period. METHODS A single group of 30 participants (60.96 ± 5.16 years) with symptomatic knee osteoarthritis (KOA) was evaluated. The protocol involved 5 evaluations moments, before (baseline) and after 2 weeks of intervention (24 hours after the last session), and at 3-week follow-up. The intervention included 3 Mulligan's MWM techniques. The variables evaluated were pain (pressure pain threshold and Visual Numeric Scale), physical function (range of motion, proprioceptive acuity, and the Western Ontario and McMaster Universities Osteoarthritis Index) and emotional aspects (Beck Depression Inventory). Analysis of variance for repeated measures was used considering a significance level of 5%. RESULTS At the second evaluation (after intervention), the pressure pain threshold presented higher values for rectus femoris, tibialis anterior, and patellar tendon sites and reduced values for the Visual Numeric Scale, Beck Depression Inventory, and Western Ontario and McMaster Universities Osteoarthritis Index compared with baseline. Also, during the follow-up period, all variables returned close to baseline levels. Proprioceptive acuity and range of motion did not present significant changes. CONCLUSION Scores for pain relief, physical function, and emotional aspects improved after a course of MWM in this single group of individuals with KOA. Mobilization with movement had limited outcome during follow-up. It suggests that future clinical trials on the use of MWM for KOA should be considered.
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Affiliation(s)
- Matheus G Gomes
- Department of Physical Therapy, Federal University of Uberlândia, Brazil, Uberlândia, MG, Brazil.
| | - Anaysa F Primo
- Department of Physical Therapy, Federal University of Uberlândia, Brazil, Uberlândia, MG, Brazil
| | - Linda L J R De Jesus
- Department of Physical Therapy, Federal University of Uberlândia, Brazil, Uberlândia, MG, Brazil
| | - Valdeci C Dionisio
- Department of Physical Therapy, Federal University of Uberlândia, Brazil, Uberlândia, MG, Brazil
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7
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Coordination amongst quadriceps muscles suggests neural regulation of internal joint stresses, not simplification of task performance. Proc Natl Acad Sci U S A 2020; 117:8135-8142. [PMID: 32205442 DOI: 10.1073/pnas.1916578117] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Many studies have demonstrated covariation between muscle activations during behavior, suggesting that muscles are not controlled independently. According to one common proposal, this covariation reflects simplification of task performance by the nervous system so that muscles with similar contributions to task variables are controlled together. Alternatively, this covariation might reflect regulation of low-level aspects of movements that are common across tasks, such as stresses within joints. We examined these issues by analyzing covariation patterns in quadriceps muscle activity during locomotion in rats. The three monoarticular quadriceps muscles (vastus medialis [VM], vastus lateralis [VL], and vastus intermedius [VI]) produce knee extension and so have identical contributions to task performance; the biarticular rectus femoris (RF) produces an additional hip flexion. Consistent with the proposal that muscle covariation is related to similarity of muscle actions on task variables, we found that the covariation between VM and VL was stronger than their covariations with RF. However, covariation between VM and VL was also stronger than their covariations with VI. Since all vastii have identical actions on task variables, this finding suggests that covariation between muscle activity is not solely driven by simplification of overt task performance. Instead, the preferentially strong covariation between VM and VL is consistent with the control of internal joint stresses: Since VM and VL produce opposing mediolateral forces on the patella, the high positive correlation between their activation minimizes the net mediolateral patellar force. These results provide important insights into the interpretation of muscle covariations and their role in movement control.
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8
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Avrillon S, Hug F, Guilhem G. Between-muscle differences in coactivation assessed using elastography. J Electromyogr Kinesiol 2018; 43:88-94. [DOI: 10.1016/j.jelekin.2018.09.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 09/11/2018] [Accepted: 09/20/2018] [Indexed: 01/03/2023] Open
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9
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Location-specific responses to nociceptive input support the purposeful nature of motor adaptation to pain. Pain 2018; 159:2192-2200. [DOI: 10.1097/j.pain.0000000000001317] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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10
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Frère J. Spectral properties of multiple myoelectric signals: New insights into the neural origin of muscle synergies. Neuroscience 2017; 355:22-35. [PMID: 28483469 DOI: 10.1016/j.neuroscience.2017.04.039] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 04/07/2017] [Accepted: 04/26/2017] [Indexed: 01/24/2023]
Abstract
It is still unclear if muscle synergies reflect neural strategies or mirror the underlying mechanical constraints. Therefore, this study aimed to verify the consistency of muscle groupings between the synergies based on the linear envelope (LE) of muscle activities and those incorporating the time-frequency (TF) features of the electromyographic (EMG) signals. Twelve healthy participants performed six 20-m walking trials at a comfort and fast self-selected speed, while the activity of eleven lower limb muscles was recorded by means of surface EMG. Wavelet-transformed EMG was used to obtain the TF pattern and muscle synergies were extracted by non-negative matrix factorization. When five muscle synergies were extracted, both methods defined similar muscle groupings whatever the walking speed. When accounting the reconstruction level of the initial dataset, a new TF synergy emerged. This new synergy dissociated the activity of the rectus femoris from those of the vastii muscles (synergy #1) and from the one of the tensor fascia latae (synergy #5). Overall, extracting TF muscle synergies supports the neural origin of muscle synergies and provides an opportunity to distinguish between prescriptive and descriptive muscle synergies.
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Affiliation(s)
- Julien Frère
- University of Lorraine, Laboratory "Development, Adaption and Disability" (EA 3450), Faculty of Sports Sciences, 30 rue du Jardin Botanique, CS 30156, F-54603 Villers-lès-Nancy, France.
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Brøchner Nielsen NP, Hug F, Guével A, Fohanno V, Lardy J, Dorel S. Motor adaptations to unilateral quadriceps fatigue during a bilateral pedaling task. Scand J Med Sci Sports 2016; 27:1724-1738. [PMID: 28000312 DOI: 10.1111/sms.12811] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2016] [Indexed: 11/30/2022]
Abstract
This study was designed to investigate how motor coordination adapts to unilateral fatigue of the quadriceps during a constant-load bilateral pedaling task. We first hypothesized that this local fatigue would not be compensated within the fatigued muscles leading to a decreased knee extension power. Then, we aimed to determine whether this decrease would be compensated by between-joints compensations within the ipsilateral leg and/or an increased contribution of the contralateral leg. Fifteen healthy volunteers were tested during pedaling at 350 W before and after a fatigue protocol consisting of 15 minutes of electromyostimulation on the quadriceps muscle. Motor coordination was assessed from myoelectrical activity (22 muscles) and joint powers calculated through inverse dynamics. Maximal knee extension torque decreased by 28.3%±6.8% (P<.0005) immediately after electromyostimulation. A decreased knee extension power produced by the ipsilateral leg was observed during pedaling (-22.8±12.3 W, -17.0%±9.4%; P<.0005). To maintain the task goal, participants primarily increased the power produced by the non-fatigued contralateral leg during the flexion phase. This was achieved by an increase in hip flexion power confirmed by a higher activation of the tensor fascia latae. These results suggest no adjustment of neural drive to the fatigued muscles and demonstrate no concurrent ipsilateral compensation by the non-fatigued muscles involved in the extension pedaling phase. Although interindividual variability was observed, findings provide evidence that participants predominantly adapted by compensating with the contralateral leg during its flexion phase. Both neural (between legs) and mechanical (between pedals) couplings and the minimization of cost functions might explain these results.
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Affiliation(s)
- N-P Brøchner Nielsen
- Laboratory "Movement, Interactions, Performance" (EA4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
| | - F Hug
- Laboratory "Movement, Interactions, Performance" (EA4334), Faculty of Sport Sciences, University of Nantes, Nantes, France.,School of Health and Rehabilitation Sciences, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health, The University of Queensland, Brisbane, Qld, Australia
| | - A Guével
- Laboratory "Movement, Interactions, Performance" (EA4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
| | - V Fohanno
- Laboratory "Movement, Interactions, Performance" (EA4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
| | - J Lardy
- Laboratory "Movement, Interactions, Performance" (EA4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
| | - S Dorel
- Laboratory "Movement, Interactions, Performance" (EA4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
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Brøchner Nielsen NP, Tucker K, Dorel S, Guével A, Hug F. Motor adaptations to local muscle pain during a bilateral cyclic task. Exp Brain Res 2016; 235:607-614. [PMID: 27838731 DOI: 10.1007/s00221-016-4826-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 11/05/2016] [Indexed: 10/20/2022]
Abstract
The aim of this study was to determine how unilateral pain, induced in two knee extensor muscles, affects muscle coordination during a bilateral pedaling task. Fifteen participants performed a 4-min pedaling task at 130 W in two conditions (Baseline and Pain). Pain was induced by injection of hypertonic saline into the vastus medialis (VM) and vastus lateralis (VL) muscles of one leg. Force applied throughout the pedaling cycle was measured using an instrumented pedal and used to calculate pedal power. Surface electromyography (EMG) was recorded bilaterally from eight muscles to assess changes in muscle activation strategies. Compared to Baseline, during the Pain condition, EMG amplitude of muscles of the painful leg (VL and VM-the painful muscles, and RF-another quadriceps muscle with no pain) was lower during the extension phase [(mean ± SD): VL: -22.5 ± 18.9%; P < 0.001; VM: -28.8 ± 19.9%; P < 0.001, RF: -20.2 ± 13.9%; P < 0.001]. Consistent with this, pedal power applied by the painful leg was also lower during the extension phase (-16.8 ± 14.2 W, P = 0.001) during Pain compared to Baseline. This decrease was compensated for by an 11.3 ± 8.1 W increase in pedal power applied by the non-painful leg during its extension phase (P = 0.04). These results support pain adaptation theories, which suggest that when there is a clear opportunity to compensate, motor adaptations to pain occur to decrease load within the painful tissue. Although the pedaling task offered numerous possibilities for compensation, only between-leg compensations were systematically observed. This finding is discussed in relation to the mechanical and neural constraints of the pedaling task.
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Affiliation(s)
- Niels-Peter Brøchner Nielsen
- Laboratory "Movement, Interactions, Performance" (EA4334), UFR STAPS, University of Nantes, 44000, Nantes, France
| | - Kylie Tucker
- School of Biomedical Sciences, The University of Queensland, Brisbane, Australia
| | - Sylvain Dorel
- Laboratory "Movement, Interactions, Performance" (EA4334), UFR STAPS, University of Nantes, 44000, Nantes, France
| | - Arnaud Guével
- Laboratory "Movement, Interactions, Performance" (EA4334), UFR STAPS, University of Nantes, 44000, Nantes, France
| | - François Hug
- Laboratory "Movement, Interactions, Performance" (EA4334), UFR STAPS, University of Nantes, 44000, Nantes, France. .,NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia.
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13
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Pelvic Rotation in Femoroacetabular Impingement Is Decreased Compared to Other Symptomatic Hip Conditions. J Orthop Sports Phys Ther 2016; 46:957-964. [PMID: 27686413 DOI: 10.2519/jospt.2016.6713] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design Cross-sectional, case-control design. Background Pelvic movement has been considered a possible discriminating parameter associated with femoroacetabular impingement (FAI) symptom onset. Decreased pelvic rotation has been found during squatting in people with FAI when compared to people with healthy hips. However, it is possible that changes in pelvic movement may occur in other hip conditions because of pain and may not be specific to FAI. Objectives To compare sagittal pelvic rotation during hip flexion and in sitting between people with FAI and people with other symptomatic hip conditions. Methods Thirty people with symptomatic FAI, 30 people with other symptomatic hip conditions, and 20 people with healthy hips participated in the study. Sagittal pelvic rotation was calculated based on measures of pelvic alignment in standing, hip flexion to 45° and 90°, and sitting. Results There were significant differences in sagittal pelvic rotation among the 3 groups in all conditions (P<.05). Post hoc analyses revealed that participants in the symptomatic FAI group had less pelvic rotation during hip flexion to 45° and 90° compared to participants in the other symptomatic hip conditions group and the hip-healthy group (mean difference, 1.2°-1.9°). In sitting, participants in the other symptomatic hip conditions group had less posterior pelvic rotation compared to those in the hip-healthy group (mean difference, 3.9°). Conclusion People with symptomatic FAI have less posterior pelvic rotation during hip flexion when compared to people with other symptomatic hip conditions and those with healthy hips. Level of Evidence Diagnosis, level 4. J Orthop Sports Phys Ther 2016;46(11):957-964. Epub 29 Sep 2016. doi:10.2519/jospt.2016.6713.
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Wiesinger B, Häggman-Henrikson B, Hellström F, Englund E, Wänman A. Does induced masseter muscle pain affect integrated jaw-neck movements similarly in men and women? Eur J Oral Sci 2016; 124:546-553. [PMID: 27781338 DOI: 10.1111/eos.12315] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2016] [Indexed: 01/21/2023]
Abstract
Normal jaw opening-closing involves simultaneous jaw and head-neck movements. We previously showed that, in men, integrated jaw-neck movements during jaw function are altered by induced masseter muscle pain. The aim of this study was to investigate possible sex-related differences in integrated jaw-neck movements following experimental masseter muscle pain. We evaluated head-neck and jaw movements in 22 healthy women and 16 healthy men in a jaw opening-closing task. The participants performed one control trial and one trial with masseter muscle pain induced by injection of hypertonic saline. Jaw and head movements were registered using a three-dimensional optoelectronic recording system. There were no significant sex-related differences in jaw and head movement amplitudes. Head movement amplitudes were significantly greater in the pain trials for both men and women. The proportional involvement of the neck motor system during jaw movements increased in pain trials for 13 of 16 men and for 18 of 22 women. Thus, acute pain may alter integrated jaw-neck movements, although, given the similarities between men and women, this interaction between acute pain and motor behaviour does not explain sex differences in musculoskeletal pain in the jaw and neck regions.
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Affiliation(s)
- Birgitta Wiesinger
- Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden.,Department of Research and Development, Umeå University, Sundsvall, Sweden
| | - Birgitta Häggman-Henrikson
- Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden.,Department of Orofacial Pain and Jaw Function, Malmö University, Malmö, Sweden
| | - Fredrik Hellström
- Centre for Musculoskeletal Research, Department of Occupational and Public Health Sciences, University of Gävle, Umeå, Sweden
| | - Erling Englund
- Department of Research and Development, Umeå University, Sundsvall, Sweden
| | - Anders Wänman
- Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden
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15
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Hug F, Goupille C, Baum D, Raiteri BJ, Hodges PW, Tucker K. Nature of the coupling between neural drive and force-generating capacity in the human quadriceps muscle. Proc Biol Sci 2016; 282:rspb.2015.1908. [PMID: 26609085 DOI: 10.1098/rspb.2015.1908] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The force produced by a muscle depends on both the neural drive it receives and several biomechanical factors. When multiple muscles act on a single joint, the nature of the relationship between the neural drive and force-generating capacity of the synergistic muscles is largely unknown. This study aimed to determine the relationship between the ratio of neural drive and the ratio of muscle force-generating capacity between two synergist muscles (vastus lateralis (VL) and vastus medialis (VM)) in humans. Twenty-one participants performed isometric knee extensions at 20 and 50% of maximal voluntary contractions (MVC). Myoelectric activity (surface electromyography (EMG)) provided an index of neural drive. Physiological cross-sectional area (PCSA) was estimated from measurements of muscle volume (magnetic resonance imaging) and muscle fascicle length (three-dimensional ultrasound imaging) to represent the muscles' force-generating capacities. Neither PCSA nor neural drive was balanced between VL and VM. There was a large (r = 0.68) and moderate (r = 0.43) correlation between the ratio of VL/VM EMG amplitude and the ratio of VL/VM PCSA at 20 and 50% of MVC, respectively. This study provides evidence that neural drive is biased by muscle force-generating capacity, the greater the force-generating capacity of VL compared with VM, the stronger bias of drive to the VL.
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Affiliation(s)
- François Hug
- School of Health and Rehabilitation Sciences, The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health, Brisbane, Australia Laboratory EA 4334 'Movement, Interactions, Performance', University of Nantes, Nantes, France
| | - Clément Goupille
- Laboratory EA 4334 'Movement, Interactions, Performance', University of Nantes, Nantes, France
| | - Daniel Baum
- School of Biomedical Sciences, The University of Queensland, Brisbane, Australia, and
| | - Brent J Raiteri
- School of Human Movement and Nutrition Sciences, Centre for Sensorimotor Performance, The University of Queensland, Brisbane, Australia
| | - Paul W Hodges
- School of Health and Rehabilitation Sciences, The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health, Brisbane, Australia
| | - Kylie Tucker
- School of Health and Rehabilitation Sciences, The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health, Brisbane, Australia School of Biomedical Sciences, The University of Queensland, Brisbane, Australia, and
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16
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Zhang ZJ, Ng GYF, Lee WC, Fu SN. Increase in passive muscle tension of the quadriceps muscle heads in jumping athletes with patellar tendinopathy. Scand J Med Sci Sports 2016; 27:1099-1104. [DOI: 10.1111/sms.12749] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/14/2016] [Indexed: 12/01/2022]
Affiliation(s)
- Z. J. Zhang
- Guangdong-Hongkong Joint Sports Rehabilitation and Research Center; Guangdong Provincial Work Injury Rehabilitation Hospital; Guangzhou China
- Department of Rehabilitation Sciences; The Hong Kong Polytechnic University, Hung Hom; Kowloon Hong Kong
- Center of Rehabilitation Medicine; Henan Provincial Orthopedic Hospital; Luoyang China
| | - G. Y. F. Ng
- Department of Rehabilitation Sciences; The Hong Kong Polytechnic University, Hung Hom; Kowloon Hong Kong
| | - W. C. Lee
- Department of Rehabilitation Sciences; The Hong Kong Polytechnic University, Hung Hom; Kowloon Hong Kong
| | - S. N. Fu
- Department of Rehabilitation Sciences; The Hong Kong Polytechnic University, Hung Hom; Kowloon Hong Kong
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17
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van den Hoorn W, Hug F, Hodges PW, Bruijn SM, van Dieën JH. Effects of noxious stimulation to the back or calf muscles on gait stability. J Biomech 2015; 48:4109-4115. [PMID: 26602375 DOI: 10.1016/j.jbiomech.2015.10.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 09/17/2015] [Accepted: 10/10/2015] [Indexed: 11/27/2022]
Abstract
Gait stability is the ability to deal with small perturbations that naturally occur during walking. Changes in motor control caused by pain could affect this ability. This study investigated whether nociceptive stimulation (hypertonic saline injection) in a low back (LBP) or calf (CalfP) muscle affects gait stability. Sixteen participants walked on a treadmill at 0.94ms(-1) and 1.67ms(-1), while thorax kinematics were recorded using 3D-motion capture. From 110 strides, stability (local divergence exponent, LDE), stride-to-stride variability and root mean squares (RMS) of thorax linear velocities were calculated along the three movement axes. At 0.94ms(-1), independent of movement axes, gait stability was lower (higher LDE) and stride-to-stride variability was higher, during LBP and CalfP than no pain. This was more pronounced during CalfP, likely explained by the biomechanical function of calf muscles in gait, as supported by greater mediolateral RMS and stance time asymmetry than in LBP and no pain. At 1.67ms(-1), independent of movement axes, gait stability was greater and stride-to-stride variability was smaller with LBP than no pain and CalfP, whereas CalfP was not different from no pain. Opposite effects of LBP on gait stability between speeds suggests a more protective strategy at the faster speed. Although mediolateral RMS was greater and participants had more asymmetric stance times with CalfP than LBP and no pain, limited effect of CalfP at the faster speed could relate to greater kinematic constraints and smaller effects of calf muscle activity on propulsion at this speed. In conclusion, pain effects on gait stability depend on pain location and walking speed.
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Affiliation(s)
- Wolbert van den Hoorn
- The University of Queensland, Centre for Clinical Research Excellence in Spinal Pain, Injury and Health, School of Health & Rehabilitation Sciences, Brisbane, Queensland 4072, Australia.
| | - François Hug
- The University of Queensland, Centre for Clinical Research Excellence in Spinal Pain, Injury and Health, School of Health & Rehabilitation Sciences, Brisbane, Queensland 4072, Australia; University of Nantes, Laboratory "Motricité, Interactions, Performance" (EA 4334), Nantes, France
| | - Paul W Hodges
- The University of Queensland, Centre for Clinical Research Excellence in Spinal Pain, Injury and Health, School of Health & Rehabilitation Sciences, Brisbane, Queensland 4072, Australia
| | - Sjoerd M Bruijn
- MOVE Research Institute Amsterdam, Department of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands; Department of Orthopaedic Surgery, First Affiliated Hospital, Fujian Medical University, Fuzhou, Fujian, PR China
| | - Jaap H van Dieën
- MOVE Research Institute Amsterdam, Department of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands
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18
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Factors that influence muscle shear modulus during passive stretch. J Biomech 2015; 48:3539-42. [DOI: 10.1016/j.jbiomech.2015.05.038] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Revised: 05/21/2015] [Accepted: 05/24/2015] [Indexed: 11/19/2022]
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