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Piqueras-Sanchiz F, Martin-Rodriguez S, Cornejo-Daza PJ, Sánchez-Valdepeñas J, Serrano-Gómez V, Pareja-Blanco F, García-García Ó. Identification of Peripheral Fatigue through Exercise-Induced Changes in Muscle Contractility. J Hum Kinet 2024; 93:145-154. [PMID: 39132424 PMCID: PMC11307187 DOI: 10.5114/jhk/185297] [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: 11/05/2023] [Accepted: 02/23/2024] [Indexed: 08/13/2024] Open
Abstract
The aim of this study was to assess whether tensiomyography is a tool sensitive enough to detect peripheral fatigue. Twenty-six strength-trained men were split into two groups: 1) a fatigued group (FG), who performed a full-squat (SQ) standardized warm-up plus 3 x 8 SQs with 75% 1RM with a 5-min rest interval, and 2) a non-fatigued group (NFG), who only did the SQ standardized warm-up. The countermovement jump (CMJ), maximal isometric force (MIF) in the SQ at 90º knee flexion, and TMG in vastus medialis (VM) and vastus lateralis (VL) muscles were assessed pre- and post-protocols. Data were analyzed through mixed ANOVA, logistic regression analysis, and receiver-operating curves. There were significant group x time interactions (p < 0.01) for CMJ height, MIF, maximal radial displacement (Dm), and radial displacement velocity (Vrd90) since the FG acutely decreased in these variables, while no significant changes were observed for the NFG. The logistic regression showed a significant model for detecting fatigue, whether it used the CMJ or MIF, with only the relative change in VL-Vrd90 as a fatigue predictor. The determination of the area under the curve showed that Dm and Vrd90 had good to excellent discriminative ability. Dm and Vrd90 are sensitive to detect fatigue in VL and VM muscles in resistance training contexts.
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Affiliation(s)
- Francisco Piqueras-Sanchiz
- Department of Sports and Computers Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Sevilla, Spain
| | - Saul Martin-Rodriguez
- Department of Physical Education, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Pedro J. Cornejo-Daza
- Department of Sports and Computers Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Sevilla, Spain
| | - Juan Sánchez-Valdepeñas
- Department of Sports and Computers Sciences, Faculty of Sport Sciences, Universidad Pablo de Olavide, Sevilla, Spain
| | - Virginia Serrano-Gómez
- Sport Performance, Physical Condition and Wellness Lab. Faculty of Education and Sport Sciences, Universidad de Vigo, Pontevedra, Spain
| | - Fernando Pareja-Blanco
- Department of Sports and Computers Sciences, Faculty of Sport Sciences, Universidad Pablo de Olavide, Sevilla, Spain
| | - Óscar García-García
- Sport Performance, Physical Condition and Wellness Lab. Faculty of Education and Sport Sciences, Universidad de Vigo, Pontevedra, Spain
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Yakut H, Karadibak D, Metin SK, Karabay DÖ, Gençpınar T. Predictors of walking capacity in patients with peripheral arterial disease. Wien Klin Wochenschr 2024; 136:94-100. [PMID: 36074178 DOI: 10.1007/s00508-022-02078-z] [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: 03/12/2022] [Accepted: 08/02/2022] [Indexed: 10/14/2022]
Abstract
BACKGROUND Walking capacity is severely impaired in patients with peripheral arterial disease (PAD). Given the prognostic importance of walking capacity, the level of evidence on possible predictors of walking capacity in patients with PAD is insufficient. AIMS To investigate the predictors of walking capacity in patients with PAD. METHODS A total of 51 patients with PAD were included in this cross-sectional study. Walking capacity was determined with 6‑minute walk test (6MWT) and walking impairment questionnaire (WIQ). Functional mobility was assessed with repeated sit-to-stand test (RSS) and timed up and go test (TUG). Hand-held dynamometer was used to measurement lower extremity muscle strength. Balance was assessed with Biodex Balance System-limit of stability (BBS-LOS). Fatigue was evaluated with fatigue impact scale (FIS). RESULTS There was a strong correlation between 6MWT walking distance and WIQ, two methods of assessing walking capacity (r = 0.835 p < 0.001). The 6MWT was correlated with RSS, TUG, lower extremity muscle strength, BBS-LOS and FIS. The WIQ was correlated with RSS, TUG, BBS-LOS and FIS. The RSS and FIS were independent determinants of the 6MWT and WIQ, accounting for 68% and 57% of the variance, respectively. CONCLUSION This study demonstrated that functional mobility and fatigue were independent predictors of walking capacity in patients with PAD. Both subjective and objective measurement methods can be used for determining the level of walking capacity in the patients with PAD.
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Affiliation(s)
- Hazal Yakut
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Eskişehir Osmangazi University, Eskişehir, Turkey.
| | - Didem Karadibak
- Faculty of Physical Therapy and Rehabilitation, Dokuz Eylul University, Izmir, Turkey
| | - Sadık Kıvanç Metin
- Department of Cardiovascular Surgery, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey
| | - Dündar Özalp Karabay
- Department of Cardiovascular Surgery, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey
| | - Tuğra Gençpınar
- Department of Cardiovascular Surgery, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey
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Mesquita RNO, Latella C, Ruas CV, Nosaka K, Taylor JL. Contraction Velocity of the Elbow Flexors Assessed by Tensiomyography: A Comparison Between Formulas. J Strength Cond Res 2023; 37:1969-1977. [PMID: 36946988 DOI: 10.1519/jsc.0000000000004495] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 12/15/2022] [Indexed: 03/23/2023]
Abstract
ABSTRACT Mesquita, RNO, Latella, C, Ruas, CV, Nosaka, K, and Taylor, JL. Contraction velocity of the elbow flexors assessed by tensiomyography: A comparison between formulas. J Strength Cond Res 37(10): 1969-1977, 2023-Muscle contraction velocity ( Vc ) assessed by tensiomyography is a promising measure for athlete profiling. Multiple formulas are used to estimate Vc , but the most suitable method is yet to be established. Fifteen adults (2 female subjects) underwent tensiomyography assessment of biceps brachii muscle at 10, 45 and 90° of elbow flexion on 2 separate days. Vc was calculated using 6 formulas. Formulas 1 and 2 are measures of the early phase of the twitch; Formulas 3-5 are measures over a wider time-window, with Formula 5 normalizing Vc to maximal displacement ( D m); and we proposed Formula 6 as a measure of peak Vc . Test-retest reliability, the required minimum number of trials, proportional bias, and effects of joint angle were investigated. Higher reliability (coefficient of variation: 2.8-6.9%) was found for Formula 1 (0-2 mm of displacement) and Formula 5 (normalized 10-90% of D m). Overall, a minimum of 6-7 trials was required to obtain reliable estimates. For 10° only, significant positive proportional bias ( r = 0.563-0.670) was found for all formulas except Formula 5. Vc was faster ( p < 0.001) at shorter muscle lengths for all formulas except Formula 5 ( p = 0.06). Vc in the early phase of the twitch was more reliable when calculated using absolute displacement (Formula 1) than a relative threshold (Formula 2). Over a larger time-window, Formulas 3 and 4 were similarly reliable. Because they are derived from different components of the twitch and different parameters, the different formulas should not be used interchangeably. Additionally, more precise nomenclature is required to describe the information obtained from each formula.
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Affiliation(s)
- Ricardo N O Mesquita
- Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden
- School of Medical and Health Sciences, Centre for Human Performance, Edith Cowan University, Perth, Australia
- Neuroscience Research Australia, Sydney, Australia; and
| | - Christopher Latella
- School of Medical and Health Sciences, Centre for Human Performance, Edith Cowan University, Perth, Australia
| | - Cassio V Ruas
- School of Medical and Health Sciences, Centre for Human Performance, Edith Cowan University, Perth, Australia
- Brazilian Institute of Neuroscience and Neurotechnology-Institute of Physics Gleb Wataghin, University of Campinas, São Paulo, Brazil
| | - Kazunori Nosaka
- School of Medical and Health Sciences, Centre for Human Performance, Edith Cowan University, Perth, Australia
| | - Janet L Taylor
- School of Medical and Health Sciences, Centre for Human Performance, Edith Cowan University, Perth, Australia
- Neuroscience Research Australia, Sydney, Australia; and
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Langen G, Lohr C, Ueberschär O, Behringer M. Reproducibility of knee extensor and flexor contraction velocity in healthy men and women assessed using tensiomyography: A registered report. PLoS One 2023; 18:e0288806. [PMID: 37531344 PMCID: PMC10395843 DOI: 10.1371/journal.pone.0288806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 06/28/2023] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND Tensiomyography measures the radial displacement of a muscle during an electrically evoked twitch contraction. Different concepts to determine the rate of displacement (Vc) from the maximum twitch exist, but information on their reproducibility is scarce. Further, different inter-stimuli intervals during progressive stimulation are used, but the effect of different intervals on Vc is unclear. OBJECTIVES The first aim of this study was to investigate the within and between-day reliability of the five most frequently used Vc concepts. The second aim was to investigate the effect of different inter-stimuli intervals on Vc. METHODS On two consecutive days, we determined Vc of the biceps femoris long head and rectus femoris of twenty-four healthy subjects. The maximum displacement was determined twice within three minutes on day one and a third time 24 h later. Also, on day two, we applied three blocks of ten consecutive stimuli at a constant intensity of 50 mA, separated by 3 min each. Inter-stimuli intervals in randomly ordered blocks were 10 s, 20 s or 30 s, respectively. RESULTS All Vc concepts displayed good to excellent relative (ICC 0.87-0.99) and generally good absolute within- and between-day reliability for both muscles. Across Vc-concepts, absolute reliability was higher for the rectus femoris (CV% 1.3-7.95%) compared to the biceps femoris (CV% 6.06-15.30%). In both muscles, Vc was generally not affected by different inter-stimuli intervals. For most Vc concepts, repeated stimulation induced an increase regardless of the inter-stimuli interval, but this effect was mainly trivial and small at most. CONCLUSIONS The reproducibility of Vc concepts was generally good but varies between different muscles. A rest interval of 10 s seems preferable to longer intervals for less time required per measurement. Following this initial study, the effect of different inter-stimuli intervals on Vc should be further investigated.
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Affiliation(s)
- Georg Langen
- Department of Sports Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany
- Department of Strength, Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany
| | | | - Olaf Ueberschär
- Department of Engineering and Industrial Design, Magdeburg-Stendal University of Applied Sciences, Magdeburg, Germany
- Department of Biomechanics and Sport Technology, Institute for Applied Training Science, Leipzig, Germany
| | - Michael Behringer
- Department of Sports Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany
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Pus K, Paravlic AH, Šimunič B. The use of tensiomyography in older adults: a systematic review. Front Physiol 2023; 14:1213993. [PMID: 37398907 PMCID: PMC10311920 DOI: 10.3389/fphys.2023.1213993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 06/01/2023] [Indexed: 07/04/2023] Open
Abstract
Introduction: Aging of skeletal muscles results in a cascade of events negatively affecting muscle mass, strength, and function, leading to reduced mobility, increased risk of falls, disability, and loss of independence. To date, different methods are used to assess muscle mechanical function, tensiomyography (TMG) being one of them. The aim of this review was twofold: to summarize the evidence-based usefulness of tensiomyography in older adults and to establish reference values for the main tensiomyography parameters in older adults. Methods: The PubMed, Web of Science, SPORTDiscus, and tensiomyography databases were searched from inception until 25 December 2022. Studies investigating older adults (aged 60+ years) that reported tensiomyography-derived parameters such as contraction time (Tc) and/or maximal displacement (Dm) were included. Methodological quality was assessed using the Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies. Results: In total, eight studies satisfied the inclusion criteria. Tensiomyography has been used on different groups of older adults, including asymptomatic, master athletes, patients with peripheral arterial disease, and patients with end-stage knee osteoarthritis with a mean age of 71.5 ± 5.38 (55.7% male subjects). The most evaluated were leg muscles such as vastus lateralis (VL), gastrocnemius medialis (GM), and biceps femoris (BF). The present review demonstrates that tensiomyography is used to assess neuromuscular function in asymptomatic and diseased older adults. When compared to asymptomatic individuals, power master athletes, knee osteoarthritis patients, and patients diagnosed with peripheral arterial disease have the shortest Tc in BF, VL, and GM muscles, respectively. On the other hand, endurance master athletes showed the longest Tc in all three evaluated muscles. Less mobile, nursing-home residents showed higher Dm in VL and BF, while lower Dm in GM than the asymptomatic group. The knee osteoarthritis group showed the largest Dm in BF and VL while having the smallest Dm in GM. Conclusion: Tensiomyography can serve as a valuable tool for assessing neuromuscular function in older adults. The method is sensitive to muscle composition, architecture, and (pre) atrophic changes of the skeletal muscles and might be responsive to muscle quality changes in aging and diseased populations. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=402345, identifier CRD42023402345.
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Affiliation(s)
- Katarina Pus
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
- Department of Health Sciences, Alma Mater Europaea—ECM, Maribor, Slovenia
| | - Armin H. Paravlic
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
- Faculty of Sports Studies, Masaryk University, Brno, Czechia
| | - Boštjan Šimunič
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia
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Langen G, Sandau I, Ueberschär O, Nosaka K, Behringer M. Methodical approaches to determine the rate of radial muscle displacement using tensiomyography: A scoping review and new reporting guideline. J Electromyogr Kinesiol 2022; 67:102702. [PMID: 36183503 DOI: 10.1016/j.jelekin.2022.102702] [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: 02/07/2022] [Revised: 07/30/2022] [Accepted: 08/31/2022] [Indexed: 12/14/2022] Open
Abstract
Tensiomyography is a non-invasive method to assess skeletal muscle contractile properties from the stimulated radial displacement. Many studies have used the rate of displacement (Vc) as an indirect measure of muscle contraction velocity. However, no standardised methodical approach exists to measure displacement and determine Vc. This review aimed to provide an overview of concepts to determine Vc and measurement protocols to foster the development of a standardised methodical approach. This review followed the Preferred Reporting Items for Systematic Reviews and meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guideline. Systematic searches were performed within five electronic databases and additional sources. The included 62 studies reported 10 different concepts to determine Vc, which we summarised in three groups. The determination concepts differed mainly regarding time intervals during the contraction phase considered and criteria used to define these intervals. Essential information on the equipment and raters, measurement setup, electrical stimulation procedure, and data analysis were frequently not reported. In conclusion, no consensus on how to determine Vc existed. Incomplete reporting of measurement protocols hindered study comparison, which obstructs developing a standardised approach. Therefore, we propose a new guideline for reporting measurement protocols, which covers the 1) equipment and rater, 2) measurement setup, including positioning of the subject, sensor and electrodes, 3) electrical stimulation, including initial stimulation amplitude, increment, and endpoint, and 4) data analysis, including selection criteria and number of analysed signals and a definition of derived parameters.
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Affiliation(s)
- G Langen
- Department of Sports Medicine and Performance Physiology, Goethe University Frankfurt, Frankfurt, Germany; Department of Strength Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany.
| | - I Sandau
- Department of Strength Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany
| | - O Ueberschär
- Department of Engineering and Industrial Design, Magdeburg-Stendal University of Applied Sciences, Magdeburg, Germany; Department of Biomechanics, Institute for Applied Training Science, Leipzig, Germany
| | - K Nosaka
- Centre for Human Performance, School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - M Behringer
- Department of Sports Medicine and Performance Physiology, Goethe University Frankfurt, Frankfurt, Germany
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Loo RJ, Wohlauer MV, Tarima SS, Weseman E, Nguyen JN, Mansukhani NA, Durand MJ. A Pilot Study Examining the Effects of Ischemic Conditioning on Walking Capacity and Lower Extremity Muscle Performance in Patients with Claudication. J Vasc Res 2022; 59:314-323. [PMID: 36067740 DOI: 10.1159/000525166] [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: 03/14/2022] [Accepted: 05/05/2022] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION This study investigated whether a novel therapy called ischemic conditioning (IC) improves walking capacity and lower extremity muscle performance in patients with peripheral vascular disease who experience intermittent claudication. METHODS Forty-three patients with claudication were enrolled and received either IC or IC Sham for 2 weeks in this randomized, controlled, double-blinded, prospective study. IC sessions involved five cycles of alternating 5-min inflations of a blood pressure cuff to 225 mm Hg (25 mm Hg for IC Sham) and 5-min deflations, around the thigh of the affected lower extremity. RESULTS There was no difference in the change in claudication onset time (Δ = 114 ± 212 s IC vs. 104 ± 173 s IC Sham; p = 0.67) or peak walking time (Δ = 42 ± 139 s IC vs. 12 ± 148 s IC Sham; p = 0.35) between the IC and IC Sham groups. At the level of the knee, participants in the IC group performed more work (Δ = 3,029 ± 4,999 J IC vs. 345 ± 2,863 J IC Sham; p = 0.03) and displayed a greater time to muscle fatigue (Δ = 147 ± 221 s IC vs. -27 ± 236 s IC Sham; p = 0.01). DISCUSSION/CONCLUSION In patients with claudication, IC improved total work performed and time to fatigue at the knee but did not change walking parameters.
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Affiliation(s)
- Rory J Loo
- Division of Vascular and Endovascular Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Max V Wohlauer
- Division of Vascular Surgery, Department of Surgery, University of Colorado School of Medicine, University of Colorado, Aurora, Colorado, USA
| | - Sergey S Tarima
- Division of Biostatistics, Institute of Health and Equity, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Elizabeth Weseman
- Division of Vascular and Endovascular Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Jennifer N Nguyen
- Department of Physical Medicine and Rehabilitation, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Neel A Mansukhani
- Division of Vascular and Endovascular Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Matthew J Durand
- Department of Physical Medicine and Rehabilitation, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Ferrari R, Cong G, Chattopadhyay A, Xie B, Assaf E, Morder K, Calderon MJ, Watkins SC, Sachdev U. Attenuated cell-cycle division protein 2 and elevated mitotic roles of polo-like kinase 1 characterize deficient myoblast fusion in peripheral arterial disease. Biochem Biophys Res Commun 2022; 609:163-168. [PMID: 35436627 PMCID: PMC10687717 DOI: 10.1016/j.bbrc.2022.03.161] [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: 02/27/2022] [Revised: 03/26/2022] [Accepted: 03/31/2022] [Indexed: 11/02/2022]
Abstract
INTRODUCTION We propose that MuSC-derived myoblasts in PAD have transcriptomic differences that can highlight underlying causes of ischemia-induced myopathy. METHODS Differentiation capacity among perfused and ischemic human myoblasts was compared. Following next generation sequencing of mRNA, Ingenuity Pathway Analysis (IPA) was performed for canonical pathway enrichment. Live cell imaging and immunofluorescence were performed to determine myocyte fusion index and protein expression based on insights from IPA, specifically concerning cell cycle regulators including cell-division cycle protein 2 (CDC2) and polo-like kinase 1 (PLK1). RESULTS Ischemic myoblasts formed attenuated myotubes indicative of reduced fusion. Additionally, myoblasts from ischemic segments showed significant differences in canonical pathways associated with PLK1 (upregulated) and G2/M DNA damage checkpoint regulation (downregulated). PLK1 inhibition with BI2536 did not affect cell viability in any group over 24 h but deterred fusion more significantly in PAD myoblasts. Furthermore, PLK1 inhibition reduced the expression of checkpoint protein CDC2 in perfused but not ischemic cells. CONCLUSION Differentiating myoblasts derived from ischemic muscle have significant differences in gene expression including those essential to DNA-damage checkpoint regulation and cell cycle progress. DNA-damage checkpoint dysregulation may contribute to myopathy in PAD.
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Affiliation(s)
- Ricardo Ferrari
- University of Pittsburgh Medical Center Department of Surgery, Division of Vascular Surgery, USA
| | - Guangzhi Cong
- University of Pittsburgh Medical Center Department of Surgery, Division of Vascular Surgery, USA; Department of Cardiology, Cardiovascular Institute, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
| | | | - B Xie
- University of Pittsburgh Medical Center Department of Surgery, Division of Vascular Surgery, USA
| | - E Assaf
- University of Pittsburgh Medical Center Department of Surgery, Division of Vascular Surgery, USA
| | - K Morder
- University of Pittsburgh Medical Center Department of Surgery, Division of Vascular Surgery, USA
| | | | | | - Ulka Sachdev
- University of Pittsburgh Medical Center Department of Surgery, Division of Vascular Surgery, USA.
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Langen G, Lohr C, Ueberschär O, Behringer M. Reproducibility of knee extensor and flexor contraction velocity in healthy men and women assessed using tensiomyography: A study protocol. PLoS One 2022; 17:e0262156. [PMID: 34990494 PMCID: PMC8735606 DOI: 10.1371/journal.pone.0262156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 12/17/2021] [Indexed: 11/19/2022] Open
Abstract
Tensiomyography measures the radial displacement of a muscle during an electrically evoked twitch contraction. The rate of muscle displacement is increasingly reported to assess contractile properties. Several formulas currently exist to calculate the rate of displacement during the contraction phase of the maximal twitch response. However, information on the reproducibility of these formulas is scarce. Further, different rest intervals ranging from 10 s to 30 s are applied between consecutive stimuli during progressive electrical stimulation until the maximum twitch response. The effect of different rest intervals on the rate of displacement has not been investigated so far. The first aim of this study is to investigate the within and between-day reliability of the most frequently used formulas to calculate the rate of displacement. The second aim is to investigate the effect of changing the inter-stimulus interval on the rate of displacement. We will determine the rectus femoris and biceps femoris rate of displacement of twenty-four healthy subjects’ dominant leg on two consecutive days. The maximum displacement curve will be determined two times within three minutes on the first day and a third time 24 h later. On day two, we will also apply three blocks of ten consecutive stimuli at a constant intensity of 50 mA. Inter-stimuli intervals will be 10 s, 20 s or 30 s in each block, respectively, and three minutes between blocks. The order of inter-stimulus intervals will be randomized. This study will allow a direct comparison between the five most frequently used formulas to calculate the rate of displacement in terms of their reproducibility. Our data will also inform on the effect of different inter-stimulus intervals on the rate of displacement. These results will provide helpful information on methodical considerations to determine the rate of displacement and may thus contribute to a standardized approach.
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Affiliation(s)
- Georg Langen
- Department of Sports Medicine and Performance Physiology, Goethe University Frankfurt, Frankfurt, Germany
- Department of Technical-Tactical Sports, Institute for Applied Training Science, Leipzig, Germany
- * E-mail:
| | | | - Olaf Ueberschär
- Department of Engineering and Industrial Design, Magdeburg-Stendal University of Applied Sciences, Magdeburg, Germany
- Department of Biomechanics, Institute for Applied Training Science, Leipzig, Germany
| | - Michael Behringer
- Department of Sports Medicine and Performance Physiology, Goethe University Frankfurt, Frankfurt, Germany
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Effects of Kinesio Taping on Muscle Contractile Properties: Assessment Using Tensiomyography. J Sport Rehabil 2021; 31:263-270. [PMID: 34731832 DOI: 10.1123/jsr.2020-0495] [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: 11/24/2020] [Revised: 06/25/2021] [Accepted: 08/31/2021] [Indexed: 11/18/2022]
Abstract
CONTEXT Although functional effects of kinesio taping (KT) have been widely studied, its effects on contractile properties of the target muscle remain unclear. Tensiomyography is suitable for quantifying muscle stiffness and rate of force development upon imposed twitch contraction. OBJECTIVE To test the hypothesis that KT has effects on contractile properties of targeted muscle using tensiomyography. DESIGN Prospective cohort study. SETTINGS Performance laboratory of a sports rehabilitation center. PARTICIPANTS A total of 11 healthy volunteers. INTERVENTIONS Tensiomyography measurements before KT facilitation technique applied (pre-KT), 45 minutes, and 24 hours after KT (post-KT1 and post-KT2, respectively) without removing the tape. MAIN OUTCOME MEASURES Maximal radial displacement, contraction time, delay time, sustain time, relaxation time, and velocity of contraction. RESULTS Significant effects were shown for maximal radial displacement (P = .004), contraction time (P = .013), relaxation time (P = .035), and velocity of contraction (P = .0033), but not for delay time (P = .060) and sustain time (P = .078). Post hoc testing indicated a significant decrease in maximal radial displacement for post-KT1 only (from 6.33 [1.46] to 4.87 [2.14] mm), and a significant increase in contraction time for both post-KT1 and post-KT2 (from 30.87 [11.39] to 39.71 [13.49] ms, and 37.41 [14.73] ms, respectively). Post hoc testing also showed a significant decrease in relaxation time for post-KT2 (from 65.97 [53.43] to 47.45 [38.12] ms), and a significant decrease in velocity of contraction for both post-KT1 and post-KT2 (from 0.22 [0.08] to 0.15 [0.09] mm/s, and 0.16 [0.07] mm/s), respectively. CONCLUSION The findings indicate that KT leads to an increased muscle stiffness and a reduced muscle rate of force production despite the facilitation technique applied.
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Skeletal Muscle Mitochondrial Dysfunction and Oxidative Stress in Peripheral Arterial Disease: A Unifying Mechanism and Therapeutic Target. Antioxidants (Basel) 2020; 9:antiox9121304. [PMID: 33353218 PMCID: PMC7766400 DOI: 10.3390/antiox9121304] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/12/2022] Open
Abstract
Peripheral artery disease (PAD) is caused by atherosclerosis in the lower extremities, which leads to a spectrum of life-altering symptomatology, including claudication, ischemic rest pain, and gangrene requiring limb amputation. Current treatments for PAD are focused primarily on re-establishing blood flow to the ischemic tissue, implying that blood flow is the decisive factor that determines whether or not the tissue survives. Unfortunately, failure rates of endovascular and revascularization procedures remain unacceptably high and numerous cell- and gene-based vascular therapies have failed to demonstrate efficacy in clinical trials. The low success of vascular-focused therapies implies that non-vascular tissues, such as skeletal muscle and oxidative stress, may substantially contribute to PAD pathobiology. Clues toward the importance of skeletal muscle in PAD pathobiology stem from clinical observations that muscle function is a strong predictor of mortality. Mitochondrial impairments in muscle have been documented in PAD patients, although its potential role in clinical pathology is incompletely understood. In this review, we discuss the underlying mechanisms causing mitochondrial dysfunction in ischemic skeletal muscle, including causal evidence in rodent studies, and highlight emerging mitochondrial-targeted therapies that have potential to improve PAD outcomes. Particularly, we will analyze literature data on reactive oxygen species production and potential counteracting endogenous and exogenous antioxidants.
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Lohr C, Schmidt T, Medina-Porqueres I, Braumann KM, Reer R, Porthun J. Diagnostic accuracy, validity, and reliability of Tensiomyography to assess muscle function and exercise-induced fatigue in healthy participants. A systematic review with meta-analysis. J Electromyogr Kinesiol 2019; 47:65-87. [DOI: 10.1016/j.jelekin.2019.05.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 03/16/2019] [Accepted: 05/03/2019] [Indexed: 02/04/2023] Open
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13
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Wilson HV, Jones A, Johnson MI, Francis P. The effect of inter-electrode distance on radial muscle displacement and contraction time of the biceps femoris, gastrocnemius medialis and biceps brachii, using tensiomyography in healthy participants. Physiol Meas 2019; 40:075007. [PMID: 31026852 DOI: 10.1088/1361-6579/ab1cef] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND The systematic effect of inter-electrode distance on electrically elicited radial muscle displacement (Dm) and contraction time (T c) of the biceps femoris, gastrocnemius medialis and biceps brachii using tensiomyography (TMG) is currently unavailable. OBJECTIVE To investigate the effects of inter-electrode distance (4 cm, 5 cm, 6 cm and 7 cm) on Dm and T c of the biceps femoris, gastrocnemius medialis and biceps brachii, when the current amplitude is standardised. APPROACH A within subject, repeated measures cross-over study. PARTICIPANTS 24 participants. MAIN RESULTS Biceps femoris and gastrocnemius medialis Dm increased with increased inter-electrode distance (biceps femoris: p = 0.015; gastrocnemius medialis: p = 0.000), yet T c were not affected (p > 0.05). Biceps brachii Dm was not affected by inter-electrode distance (p > 0.05), yet T c became shorter with increased inter-electrode distance (p = 0.032). SIGNIFICANCE Inter-electrode distance affects Dm but not T c in two pennate muscles (biceps femoris and gastrocnemius medialis), and T c but not Dm in one parallel muscle (biceps brachii). Based on Dm measurements, optimal muscle specific inter-electrode distances were judged within the limits of this study. The following optimal inter-electrode distances are suggested: biceps femoris = 6 cm, gastrocnemius medialis = 7 cm and biceps brachii = 4 cm. Our findings emphasise the importance of accurate implementation and reporting of inter-electrode distance, for the reproducibility and comparability of studies using TMG.
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Affiliation(s)
- Hannah V Wilson
- Musculoskeletal Health Research Group, School of Clinical and Applied Sciences, Leeds Beckett University, Leeds, England, United Kingdom. Centre for Pain Research, School of Clinical and Applied Sciences, Leeds Beckett University, Leeds, England, United Kingdom. School of Clinical and Applied Sciences, Leeds Beckett University, LS13HE, Leeds, United Kingdom
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14
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Šimunič B, Koren K, Rittweger J, Lazzer S, Reggiani C, Rejc E, Pišot R, Narici M, Degens H. Tensiomyography detects early hallmarks of bed-rest-induced atrophy before changes in muscle architecture. J Appl Physiol (1985) 2019; 126:815-822. [PMID: 30676871 DOI: 10.1152/japplphysiol.00880.2018] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
In young and older people, skeletal muscle mass is reduced after as little as 7 days of disuse. The declines in muscle mass after such short periods are of high clinical relevance, particularly in older people who show a higher atrophy rate and a slower or even a complete lack of muscle mass recovery after disuse. Ten men (24.3 yr; SD 2.6) underwent 35 days of 6° head-down tilt bed rest, followed by 30 days of recovery. During bed rest, a neutral energy balance was maintained, with three weekly passive physiotherapy sessions to minimize muscle soreness and joint stiffness. All measurements were performed in a hospital at days 1-10, 16, 28, and 35 of bed rest (BR1-BR10, BR16, BR28, and BR35, respectively) and days 1, 3, and 30 after reambulation (R + 1, R + 3, and R + 30, respectively). Vastus medialis obliquus (VMO), vastus medialis longus (VML), and biceps femoris (BF) thickness (d) and pennation angle (Θ) were assessed by ultrasonography, whereas twitch muscle belly displacement (Dm) and contraction time (Tc) were assessed with tensiomyography (TMG). After bed rest, d and Θ decreased by 13-17% in all muscles ( P < 0.001) and had recovered at R + 30. Dm was increased by 42.3-84.4% ( P < 0.001) at BR35 and preceded the decrease in d by 7, 5, and 3 days in VMO, VML, and BF, respectively. Tc increased only in BF (32.1%; P < 0.001) and was not recovered at R + 30. TMG can detect early bed-rest-induced changes in muscle with higher sensitivity before overt architectural changes, and atrophy can be detected. NEW & NOTEWORTHY Detection of early atrophic processes and irreversible adaptation to disuse are of high clinical relevance. With the use of tensiomyography (TMG), we detected early atrophic processes before overt architectural changes, and atrophy can be detected using imaging technique. Furthermore, TMG detected irreversible changes of biceps femoris contraction time.
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Affiliation(s)
- Boštjan Šimunič
- University of Primorska , Koper , Slovenia.,Science and Research Centre Koper, Institute for Kinesiology Research , Koper , Slovenia
| | - Katja Koren
- Science and Research Centre Koper, Institute for Kinesiology Research , Koper , Slovenia
| | - Jörn Rittweger
- Institute of Aerospace Medicine, German Aerospace Center , Cologne , Germany.,Department of Pediatrics and Adolescent Medicine, University of Cologne , Cologne , Germany
| | - Stefano Lazzer
- Department of Medicine, University of Udine , Udine , Italy.,School of Sport Sciences, University of Udine , Udine , Italy
| | - Carlo Reggiani
- Science and Research Centre Koper, Institute for Kinesiology Research , Koper , Slovenia.,Department of Biomedical Sciences, University of Padova , Padova , Italy
| | - Enrico Rejc
- Kentucky Spinal Cord Injury Research Center, University of Louisville , Louisville, Kentucky
| | - Rado Pišot
- Science and Research Centre Koper, Institute for Kinesiology Research , Koper , Slovenia
| | - Marco Narici
- Science and Research Centre Koper, Institute for Kinesiology Research , Koper , Slovenia.,Department of Biomedical Sciences, University of Padova , Padova , Italy
| | - Hans Degens
- School of Healthcare Science, Manchester Metropolitan University , Manchester , United Kingdom.,Institute of Sport Science and Innovations, Lithuanian Sports University , Kaunas , Lithuania.,University of Medicine and Pharmacy of Targu Mures , Targu Mures , Romania
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15
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Lohr C, Braumann KM, Reer R, Schroeder J, Schmidt T. Reliability of tensiomyography and myotonometry in detecting mechanical and contractile characteristics of the lumbar erector spinae in healthy volunteers. Eur J Appl Physiol 2018; 118:1349-1359. [DOI: 10.1007/s00421-018-3867-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 04/13/2018] [Indexed: 11/30/2022]
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16
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Wilson HV, Johnson MI, Francis P. Repeated stimulation, inter-stimulus interval and inter-electrode distance alters muscle contractile properties as measured by Tensiomyography. PLoS One 2018; 13:e0191965. [PMID: 29451885 PMCID: PMC5815578 DOI: 10.1371/journal.pone.0191965] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 01/15/2018] [Indexed: 11/18/2022] Open
Abstract
Context The influence of methodological parameters on the measurement of muscle contractile properties using Tensiomyography (TMG) has not been published. Objective To investigate the; (1) reliability of stimulus amplitude needed to elicit maximum muscle displacement (Dm), (2) effect of changing inter-stimulus interval on Dm (using a fixed stimulus amplitude) and contraction time (Tc), (3) the effect of changing inter-electrode distance on Dm and Tc. Design Within subject, repeated measures. Participants 10 participants for each objective. Main outcome measures Dm and Tc of the rectus femoris, measured using TMG. Results The coefficient of variance (CV) and the intra-class correlation (ICC) of stimulus amplitude needed to elicit maximum Dm was 5.7% and 0.92 respectively. Dm was higher when using an inter-electrode distance of 7cm compared to 5cm [P = 0.03] and when using an inter-stimulus interval of 10s compared to 30s [P = 0.017]. Further analysis of inter-stimulus interval data, found that during 10 repeated stimuli Tc became faster after the 5th measure when compared to the second measure [P<0.05]. The 30s inter-stimulus interval produced the most stable Tc over 10 measures compared to 10s and 5s respectively. Conclusion Our data suggest that the stimulus amplitude producing maximum Dm of the rectus femoris is reliable. Inter-electrode distance and inter-stimulus interval can significantly influence Dm and/ or Tc. Our results support the use of a 30s inter-stimulus interval over 10s or 5s. Future studies should determine the influence of methodological parameters on muscle contractile properties in a range of muscles.
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Affiliation(s)
- Hannah V. Wilson
- Musculoskeletal Health Research Group, School of Clinical and Applied Science, Leeds Beckett University, Leeds, England, United Kingdom
- Centre for Pain Research, School of Clinical and Applied Science, Leeds Beckett University, Leeds, England, United Kingdom
- * E-mail:
| | - Mark I. Johnson
- Centre for Pain Research, School of Clinical and Applied Science, Leeds Beckett University, Leeds, England, United Kingdom
| | - Peter Francis
- Musculoskeletal Health Research Group, School of Clinical and Applied Science, Leeds Beckett University, Leeds, England, United Kingdom
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17
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Harwood AE, King S, Totty J, Smith GE, Vanicek N, Chetter IC. A systematic review of muscle morphology and function in intermittent claudication. J Vasc Surg 2017; 66:1241-1257. [PMID: 28822657 DOI: 10.1016/j.jvs.2017.05.106] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 05/12/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Intermittent claudication (IC) is frequently associated with deterioration in walking capacity and physical function, and it can often result in an impairment in balance. Whereas supervised exercise is recommended by the National Institute for Health and Care Excellence as the first-line treatment, the mechanism behind walking improvement is poorly understood. The existing literature suggests that there may be some physiologic change to the skeletal muscle contributing to the functional impairment, but these data are conflicting. We therefore sought to undertake a systematic review to clarify the muscle properties of patients with IC. METHODS A systematic review of randomized and nonrandomized trials that investigated the role of muscle function in patients diagnosed with IC was undertaken using MEDLINE, Cochrane Central Register of Controlled Trials, and Embase databases. The searches were limited from 1947 to June 2016 in the English language. RESULTS The search yielded a total of 506 articles, of which 206 were duplicate articles. Of the remaining 300, a total of 201 were excluded from full-text analysis; 99 full-text articles were assessed for eligibility, with 30 articles deemed appropriate for inclusion in the review. There were four main categories of functional outcome measures: muscle strength, muscle size, muscle fiber type, and muscle metabolism. A total of 2837 patients were included in the study. Nine studies reported on muscle strength, incorporating isometric, concentric, eccentric, and endurance measures. Eight studies reported on muscle size, incorporating circumference, computed tomography scans, and ultrasound imaging techniques. Eleven studies reported on muscle fibers, incorporating fiber type proportions, fiber size, and capillarity measures. Seven papers reported on muscle metabolism, incorporating adenosine diphosphate recovery and phosphocreatine recovery measures. CONCLUSIONS Previous literature has found clear evidence that strength (of the calf and thigh musculature) and calf characteristics are related to mortality and functional declines. However, this review has demonstrated the vast array of muscle groups assessed and multiple methods employed to determine strength; therefore, it is unclear exactly what measure of "strength" is impaired. Furthermore, the underlying morphologic causes of potential changes in strength are unclear. This information is essential for designing optimal exercise interventions. The data acquired during this systematic review are heterogeneous, with a substantial lack of high-quality intervention-based studies. Future research should endeavor to establish standardized testing procedures and to implement randomized controlled trials for targeted therapeutic interventions.
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Affiliation(s)
- Amy E Harwood
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, United Kingdom.
| | - Stephanie King
- Department of Sport, Health and Exercise Science, School of Life Sciences, University of Hull, Hull, United Kingdom
| | - Joshua Totty
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, United Kingdom
| | - George E Smith
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, United Kingdom
| | - Natalie Vanicek
- Department of Sport, Health and Exercise Science, School of Life Sciences, University of Hull, Hull, United Kingdom
| | - Ian C Chetter
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, United Kingdom
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18
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Orlando G, Balducci S, Bazzucchi I, Pugliese G, Sacchetti M. Muscle fatigability in type 2 diabetes. Diabetes Metab Res Rev 2017; 33. [PMID: 27155086 DOI: 10.1002/dmrr.2821] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 03/31/2016] [Accepted: 04/17/2016] [Indexed: 02/01/2023]
Abstract
BACKGROUND Patients with type 2 diabetes (T2D) may be subject to premature muscle fatigue. However, the effect of diabetes on muscle fatigability has not yet been thoroughly examined. The purpose of this study was to investigate the effect of T2D on muscle fatigability at the upper and lower body. METHODS Thirty-three T2D patients (18 men and 15 women; mean age, 59.3 ± 5.3 years) and 34 matched healthy control participants (17 men and 17 women; mean age, 60.1 ± 6.1 years) were recruited. Clinical characteristics of diabetic patients were assessed by considering a wide range of vascular and neurological parameters in order to exclude the presence of micro- and macro-vascular complications. Gender-specific muscle function was evaluated measuring the maximal voluntary isometric contraction (MVIC), and the endurance time at 50% of the MVIC at the shoulder and at the knee extensor muscles. RESULTS Muscle strength in the upper body was similar among groups, whereas in the lower body, it was significantly reduced in T2D men (-16%) and women (-22%) compared with the controls. Additionally, the endurance time in both upper and lower body was significantly lower in T2D men (-18% and -29%) and women (-19% and -25%, respectively) than controls. CONCLUSIONS Besides the reduction in strength, muscle dysfunction in T2D is characterized by a higher fatigability that affects both upper and lower body muscles. This effect is independent to the presence of diabetic complications and may represent a more sensitive marker of muscular dysfunction than muscle strength. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Giorgio Orlando
- Department of Movement, Human and Health Sciences, University of Rome 'Foro Italico', Rome, Italy
| | - Stefano Balducci
- Department of Clinical and Molecular Medicine, 'La Sapienza' University, and Diabetes Unit, Sant'Andrea Hospital, Rome, Italy
- Metabolic Fitness Association, Monterotondo, Rome, Italy
| | - Ilenia Bazzucchi
- Department of Movement, Human and Health Sciences, University of Rome 'Foro Italico', Rome, Italy
| | - Giuseppe Pugliese
- Department of Clinical and Molecular Medicine, 'La Sapienza' University, and Diabetes Unit, Sant'Andrea Hospital, Rome, Italy
| | - Massimo Sacchetti
- Department of Movement, Human and Health Sciences, University of Rome 'Foro Italico', Rome, Italy
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19
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Alvarez-Diaz P, Alentorn-Geli E, Ramon S, Marin M, Steinbacher G, Rius M, Seijas R, Ballester J, Cugat R. Comparison of tensiomyographic neuromuscular characteristics between muscles of the dominant and non-dominant lower extremity in male soccer players. Knee Surg Sports Traumatol Arthrosc 2016; 24:2259-63. [PMID: 25236679 DOI: 10.1007/s00167-014-3298-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 08/28/2014] [Indexed: 11/24/2022]
Abstract
PURPOSE Tensiomyography (TMG) has been used to assess neuromuscular characteristics of muscles of the lower extremity in soccer players. However, the effects of lower extremity dominance on TMG characteristics in this population have not been reported to date. The purpose of this study was to compare the TMG neuromuscular characteristics between the dominant and non-dominant lower extremity in male soccer players. METHODS Thirty-eight consecutive healthy male soccer players underwent resting TMG assessment of vastus medialis (VM), vastus lateralis (VL), rectus femoris (RF), semitendinosus (ST), biceps femoris (BF), gastrocnemius medialis (GM), and gastrocnemius lateralis (GL) in both lower extremities. The maximal displacement, delay time, contraction time, sustained time, and half-relaxation time were obtained and compared between both sides. RESULTS There were no significant differences in the vast majority of the TMG parameters between both lower extremities. The dominant side demonstrated higher VM contraction time (p = 0.008), RF sustained time (p = 0.009), RF half-relaxation time (p = 0.01), and BF sustained time (p = 0.04), but lower VL contraction time (p = 0.03) and VL delay time (p = 0.02) compared to the non-dominant side. CONCLUSION In general, TMG-assessed neuromuscular characteristics of the VM, VL, RF, ST, BF, GM, and GL were not affected by lower extremity dominance in male soccer players. Therefore, there is no need to assess both sides when using TMG to monitor the response to training or muscles at risk of injury in soccer players unless there is a specific reason. LEVEL OF EVIDENCE Prognostic study, Level II.
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Affiliation(s)
- Pedro Alvarez-Diaz
- Mutualidad de Futbolistas - Federación Española de Fútbol, Delegación Cataluña, Ronda Sant Pere 19-21, 08010, Barcelona, Spain. .,Fundación García-Cugat, Barcelona, Spain. .,Artroscopia gc, S.L., Department of Orthopaedic Surgery, Hospital Quirón, Barcelona, Spain. .,Universitat Internacional de Catalunya, Barcelona, Spain.
| | - Eduard Alentorn-Geli
- Department of Orthopaedic Surgery and Traumatology. Parc de Salut Mar, Hospital de Mar and Hospital de l'Esperança, Universitat Autonoma de Barcelona (UAB), Barcelona, Spain
| | - Silvia Ramon
- Fundación García-Cugat, Barcelona, Spain.,Universitat Internacional de Catalunya, Barcelona, Spain.,Department of Physical Medicine and Rehabilitation, Hospital Quirón, Barcelona, Spain
| | - Miguel Marin
- Department of Physical Medicine and Rehabilitation, Hospital Quirón, Barcelona, Spain
| | - Gilbert Steinbacher
- Mutualidad de Futbolistas - Federación Española de Fútbol, Delegación Cataluña, Ronda Sant Pere 19-21, 08010, Barcelona, Spain
| | - Marta Rius
- Mutualidad de Futbolistas - Federación Española de Fútbol, Delegación Cataluña, Ronda Sant Pere 19-21, 08010, Barcelona, Spain
| | - Roberto Seijas
- Fundación García-Cugat, Barcelona, Spain.,Artroscopia gc, S.L., Department of Orthopaedic Surgery, Hospital Quirón, Barcelona, Spain.,Universitat Internacional de Catalunya, Barcelona, Spain
| | - Jordi Ballester
- Department of Surgery, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Ramon Cugat
- Mutualidad de Futbolistas - Federación Española de Fútbol, Delegación Cataluña, Ronda Sant Pere 19-21, 08010, Barcelona, Spain.,Fundación García-Cugat, Barcelona, Spain.,Artroscopia gc, S.L., Department of Orthopaedic Surgery, Hospital Quirón, Barcelona, Spain
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20
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Gommans LNM, Smid AT, Scheltinga MRM, Brooijmans FAM, van Disseldorp EMJ, van der Linden FTPM, Meijer K, Teijink JAW. Altered joint kinematics and increased electromyographic muscle activity during walking in patients with intermittent claudication. J Vasc Surg 2016; 63:664-72. [PMID: 26781076 DOI: 10.1016/j.jvs.2015.09.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 09/19/2015] [Indexed: 10/22/2022]
Abstract
BACKGROUND Patients with intermittent claudication (IC) tend to walk at a slower pace, have less lower leg muscle strength, and consume approximately 40% more oxygen during walking compared with healthy individuals. An unfavorable locomotion pattern has been suggested to explain this metabolic inefficiency. However, knowledge on gait patterns in IC is limited. Muscle activity patterns during walking measured using surface electromyography (EMG) have not been investigated in this patient population. METHODS In this cross-sectional study, gait pattern of patients newly diagnosed with IC and age-matched controls were evaluated using kinematic parameters and medial gastrocnemius (MG) and tibialis anterior (TA) muscles activity patterns. The protocol included pain-free and painful (only IC patients) treadmill walking sessions. RESULTS A total of 22 IC patients and 22 healthy control subjects were included. Patients walked 1.4 km/h slower (3.2 km/h vs 4.6 km/h; P < .001) than control subjects, coinciding with a 10% slower cadence (110 steps/min vs 122 steps/min; P < .001). The kinematic analysis resulted in a patient's ankle plantar flexion reduction of 45% during the propulsion phase, and ankle dorsal flexion reduction of 41% at initial contact. No additional kinematic changes were observed when claudication pain presented. Interestingly, kinematic differences did not influence the muscle activity duration during walking, because equal duration of muscle activity was found in IC patients and healthy controls. However, the amount of muscle activity in microvolts did significantly increase in IC patients when claudication pain presented (TA: Δ23%; P < .001; MG: Δ54%; P = .007). CONCLUSIONS Patients with IC show significant kinematic changes during walking. These alterations did not affect EMG activity duration of MG and TA muscles. However, EMG amplitude of both muscles did significantly increase during painful walking in IC patients.
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Affiliation(s)
- Lindy N M Gommans
- Department of Vascular Surgery, Catharina Hospital, Eindhoven, The Netherlands; Department of Epidemiology, CAPHRI School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands
| | - Annemieke T Smid
- Department of Vascular Surgery, Catharina Hospital, Eindhoven, The Netherlands
| | - Marc R M Scheltinga
- Department of Vascular Surgery, Maxima Medisch Centrum, Veldhoven, The Netherlands; CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, The Netherlands
| | | | | | - Fred T P M van der Linden
- Department of Vascular Surgery, Catharina Hospital, Eindhoven, The Netherlands; Department of Vascular Surgery, St. Anna Hospital Geldrop, Geldrop, The Netherlands
| | - Kenneth Meijer
- Department of Human Movement Sciences, Maastricht University, Maastricht, The Netherlands
| | - Joep A W Teijink
- Department of Vascular Surgery, Catharina Hospital, Eindhoven, The Netherlands; Department of Epidemiology, CAPHRI School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands.
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21
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Morales-Artacho AJ, Padial P, Rodríguez-Matoso D, Rodríguez-Ruiz D, García-Ramos A, García-Manso JM, Calderón C, Feriche B. Assessment of Muscle Contractile Properties at Acute Moderate Altitude Through Tensiomyography. High Alt Med Biol 2015; 16:343-9. [PMID: 26562625 DOI: 10.1089/ham.2015.0078] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Under hypoxia, alterations in muscle contractile properties and faster fatigue development have been reported. This study investigated the efficacy of tensiomyography (TMG) in assessing muscle contractile function at acute moderate altitude. Biceps femoris (BF) and vastus lateralis (VL) muscles of 18 athletes (age 20.1 ± 6.1 years; body mass 65.4 ± 13.9 kg; height 174.6 ± 9.5 cm) were assessed at sea level and moderate altitude using electrically evoked contractions on two consecutive days. Maximum radial displacement (Dm), time of contraction (Tc), reaction time (Td), sustained contraction time (Ts), and relaxation time (Tr) were recorded at 40, 60, 80, and 100 mA. At altitude, VL showed lower Dm values at 40 mA (p = 0.008; ES = -0.237). Biceps femoris showed Dm decrements in all electrical stimulations (p < 0.001, ES > 0.61). In VL, Tc was longer at altitude at 40 (p = 0.031, ES = 0.56), and 100 mA (p = 0.03, ES = 0.51). Regarding Td, VL showed significant increases in all electrical intensities under hypoxia (p ≤ 0.03, ES ≥ 0.33). TMG appears effective at detecting slight changes in the muscle contractile properties at moderate altitude. Further research involving TMG along with other muscle function assessment methods is needed to provide additional insight into peripheral neuromuscular alterations at moderate altitude.
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Affiliation(s)
- Antonio J Morales-Artacho
- 1 Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada , Granada, Spain
| | - Paulino Padial
- 1 Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada , Granada, Spain
| | | | | | - Amador García-Ramos
- 1 Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada , Granada, Spain
| | | | - Carmen Calderón
- 3 Sport Performance Centre of Sierra Nevada , Granada, Spain
| | - Belén Feriche
- 1 Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada , Granada, Spain
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22
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King S, Vanicek N, O'Brien TD. Dynamic muscle quality of the plantar flexors is impaired in claudicant patients with peripheral arterial disease and associated with poorer walking endurance. J Vasc Surg 2015; 62:689-97. [PMID: 25953022 DOI: 10.1016/j.jvs.2015.03.039] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 03/17/2015] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Peripheral arterial disease and intermittent claudication (PAD-IC) negatively affects physical activity and function. There is evidence for plantarflexor muscle dysfunction and weakness; however, the extent to which this dysfunction can be attributed to reduced muscle size or quality, or both, is not yet known. This study investigated whether in vivo plantarflexor muscle quality during static and dynamic contractions is altered by PAD-IC and whether such changes are associated with impaired walking endurance according to initial and absolute claudication distances. METHODS The study recruited 22 participants, consisting of 10 healthy controls and 12 claudicant patients with occlusion of the superficial femoral artery (seven unilateral and five bilateral). Muscle quality of the combined gastrocnemius muscles during static contractions was calculated by normalizing the estimated maximal potential muscle force to the physiological cross-sectional area of the lateral and medial gastrocnemius. Muscle quality during dynamic contractions of the combined plantarflexor muscles was calculated as the ratio of peak voluntary concentric plantarflexor power and the summed volume of lateral and medial gastrocnemius. RESULTS Dynamic muscle quality was 24% lower in the claudicating-limb and asymptomatic-limb groups compared with controls (P = .017 and P = .023). The differences were most apparent at the highest contraction velocity (180°/s). Dynamic muscle quality was associated with reduced walking endurance (R = 0.689, P = .006 and R = 0.550, P = .042 for initial and absolute claudication distance, respectively). The claudicating-limb group demonstrated a trend toward reduced static muscle quality compared with controls (22%, P = .084). The relative contribution of the soleus muscle to plantarflexion maximum voluntary contraction was significantly higher in the claudicating-limb and asymptomatic-limb groups than in controls (P = .012 and P = .018). CONCLUSIONS The muscle strength of the plantarflexors in those with PAD-IC appears to be impaired at high contraction velocities. This may be explained by some reduction in gastrocnemii muscle quality and a greater reliance on the prominently type I-fibered soleus muscle. The reduced dynamic capability of the plantarflexor muscles was associated with disease severity and walking ability; therefore, efforts to improve plantarflexor power through dynamic exercise intervention are vital to maintain functional performance.
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Affiliation(s)
- Stephanie King
- Department of Sport, Health and Exercise Science, University of Hull, Kingston upon Hull, United Kingdom; Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom.
| | - Natalie Vanicek
- Department of Sport, Health and Exercise Science, University of Hull, Kingston upon Hull, United Kingdom; Discipline of Exercise and Sport Science, University of Sydney, Sydney, New South Wales, Australia
| | - Thomas D O'Brien
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom; School of Sport, Health and Exercise Science, Bangor University, Bangor, United Kingdom
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