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Rodriguez C, Mota JD, Palmer TB, Heymsfield SB, Tinsley GM. Skeletal muscle estimation: A review of techniques and their applications. Clin Physiol Funct Imaging 2024; 44:261-284. [PMID: 38426639 DOI: 10.1111/cpf.12874] [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: 01/13/2024] [Accepted: 02/14/2024] [Indexed: 03/02/2024]
Abstract
Quantifying skeletal muscle size is necessary to identify those at risk for conditions that increase frailty, morbidity, and mortality, as well as decrease quality of life. Although muscle strength, muscle quality, and physical performance have been suggested as important assessments in the screening, prevention, and management of sarcopenic and cachexic individuals, skeletal muscle size is still a critical objective marker. Several techniques exist for estimating skeletal muscle size; however, each technique presents with unique characteristics regarding simplicity/complexity, cost, radiation dose, accessibility, and portability that are important factors for assessors to consider before applying these modalities in practice. This narrative review presents a discussion centred on the theory and applications of current non-invasive techniques for estimating skeletal muscle size in diverse populations. Common instruments for skeletal muscle assessment include imaging techniques such as computed tomography, magnetic resonance imaging, peripheral quantitative computed tomography, dual-energy X-ray absorptiometry, and Brightness-mode ultrasound, and non-imaging techniques like bioelectrical impedance analysis and anthropometry. Skeletal muscle size can be acquired from these methods using whole-body and/or regional assessments, as well as prediction equations. Notable concerns when conducting assessments include the absence of standardised image acquisition/processing protocols and the variation in cut-off thresholds used to define low skeletal muscle size by clinicians and researchers, which could affect the accuracy and prevalence of diagnoses. Given the importance of evaluating skeletal muscle size, it is imperative practitioners are informed of each technique and their respective strengths and weaknesses.
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Affiliation(s)
- Christian Rodriguez
- Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas, USA
| | - Jacob D Mota
- Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas, USA
| | - Ty B Palmer
- Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas, USA
| | - Steven B Heymsfield
- Metabolism and Body Composition Laboratory, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, Louisiana, USA
| | - Grant M Tinsley
- Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas, USA
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Baek CH, Kim BT, Kim JG, Kim SJ. Increased latissimus dorsi and teres major muscle volume after anterior transfer for irreparable anterior superior rotator cuff tear: correlation with improved internal rotation strength. Arch Orthop Trauma Surg 2024; 144:1491-1502. [PMID: 38316700 DOI: 10.1007/s00402-023-05192-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 12/19/2023] [Indexed: 02/07/2024]
Abstract
INTRODUCTION While the well-established correlation between increased muscle volume and enhanced muscle strength is widely recognized, there have been no studies assessing volumetric muscle changes in transfer surgery in the shoulder. This study aimed to evaluate changes in transferred muscle volume and their clinical implications in anterior latissimus dorsi and teres major (aLDTM) tendon transfer in patients with anterior superior irreparable rotator cuff tears (ASIRCTs). MATERIALS AND METHODS The study retrospectively examined 40 patients who underwent aLDTM tendon transfers for ASIRCTs between August 2018 and January 2022. Using ImageJ software, the LDTM muscle was segmented in T2-weighted oblique axial images, and total muscle volume (tLDTMV) of both immediate and postoperative 1-year were calculated. Pearson correlation analysis was used to determine the correlation between ΔtLDTMV and ΔASES scores, Δactive-ROM, and Δstrength. RESULTS The current study revealed an 11.4% increase in tLDTMV at 1-year postoperative. Patients were grouped based on postoperative ASES score: Group 1 (Optimal, n = 17) and Group 2 (Suboptimal, n = 23). Although tLDTMVimmediate postoperative values were similar between groups (P = 0.954), tLDTMV1-year postoperative value was significantly higher in Group 1 compared to Group 2 (P = 0.021). In correlation analysis, ΔtLDTMV showed significant correlations with ΔASES score (r = 0.525, P < 0.001), ΔaROM of forward elevation (FE) (r = 0.476, P = 0.002), ΔaROM of internal rotation (IR) at back (r = 0.398, P = 0.011), Δstrength of FE (r = 0.328, P = 0.039), Δ strength of IR at 90° abduction (r = 0.331, P = 0.037), and IR at side (r = 0.346, P = 0.029). CONCLUSIONS Significant increase in tLDTMV was observed at 1-year postoperative for ASIRCT patients. Notably, greater ΔtLDTMV exhibited a correlation with better ASES scores, increased aROM and strength in both FE and IR. Nevertheless, further research is required by employing more robust standardized measurement tools and a larger sample size.
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Affiliation(s)
- Chang Hee Baek
- Department of Orthopaedic Surgery, Yeosu Baek Hospital, 50, Yeoseo 1-Ro , Yeosu-Si, Jeollanam-Do, 59709, Republic of Korea.
| | - Bo Taek Kim
- Department of Orthopaedic Surgery, Yeosu Baek Hospital, 50, Yeoseo 1-Ro , Yeosu-Si, Jeollanam-Do, 59709, Republic of Korea
| | - Jung Gon Kim
- Department of Orthopaedic Surgery, Yeosu Baek Hospital, 50, Yeoseo 1-Ro , Yeosu-Si, Jeollanam-Do, 59709, Republic of Korea
| | - Seung Jin Kim
- Department of Orthopaedic Surgery, Yeosu Baek Hospital, 50, Yeoseo 1-Ro , Yeosu-Si, Jeollanam-Do, 59709, Republic of Korea
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Cornejo-Daza PJ, Sánchez-Valdepeñas J, Rodiles-Guerrero L, Páez-Maldonado JA, Ara I, León-Prados JA, Alegre LM, Pareja-Blanco F, Alcazar J. Vastus Lateralis Muscle Size Is Differently Associated With the Different Regions of the Squat Force-Velocity and Load-Velocity Relationships, Rate of Force Development, and Physical Performance Young Men. J Strength Cond Res 2024; 38:450-458. [PMID: 38231131 DOI: 10.1519/jsc.0000000000004654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
ABSTRACT Cornejo-Daza, PJ, Sánchez-Valdepeñas, J, Rodiles-Guerrero, L, Páez-Maldonado, JA, Ara, I, León-Prados, JA, Alegre, LM, Pareja-Blanco, F, and Alcazar, J. Vastus lateralis muscle size is differently associated with the different regions of the squat force-velocity and load-velocity relationships, rate of force development, and physical performance young men. J Strength Cond Res 38(3): 450-458, 2024-The influence that regional muscle size and muscle volume may have on different portions of the force-velocity (F-V) and load-velocity (L-V) relationships, explosive force, and muscle function of the lower limbs is poorly understood. This study assessed the association of muscle size with the F-V and L-V relationships, rate of force development (RFD) and maximal isometric force in the squat exercise, and vertical jump performance via countermovement jump (CMJ) height. Forty-nine resistance-trained young men (22.7 ± 3.3 years old) participated in the study. Anatomical cross-sectional area (ACSA) of the vastus lateralis (VLA) muscle was measured using the extended field of view mode in an ultrasound device at 3 different femur lengths (40% [distal], 57.5% [medial], and 75% [proximal]), and muscle volume was estimated considering the VLA muscle insertion points previously published and validated in this study. There were significant associations between all muscle size measures (except distal ACSA) and (a) forces and loads yielded at velocities ranging from 0 to 1.5 m·s -1 ( r = 0.36-0.74, p < 0.05), (b) velocities exerted at forces and loads ranging between 750-2,000 N and 75-200 kg, respectively ( r = 0.31-0.69, p < 0.05), and (c) RFD at 200 and 400 milliseconds ( r = 0.35-0.64, p < 0.05). Proximal and distal ACSA and muscle volume were significantly associated with CMJ height ( r = 0.32-0.51, p < 0.05). Vastus lateralis muscle size exhibited a greater influence on performance at higher forces or loads and lower velocities and late phases of explosive muscle actions. Additionally, proximal ACSA and muscle volume showed the highest correlation with the muscle function measures.
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Affiliation(s)
- Pedro J Cornejo-Daza
- Department of Sports and Computer Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
- Department of Sports and Computer Sciences, Faculty of Sport Sciences, Universidad Pablo de Olavide, Seville, Spain
| | - Juan Sánchez-Valdepeñas
- Department of Sports and Computer Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
- Department of Sports and Computer Sciences, Faculty of Sport Sciences, Universidad Pablo de Olavide, Seville, Spain
| | - Luis Rodiles-Guerrero
- Department of Sports and Computer Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
- Faculty of Education, Department of Human Movement and Sport Performance, Universidad de Sevilla, Seville, Spain
| | - José A Páez-Maldonado
- Department of Sports and Computer Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
- Faculty of Sport Sciences, University of Seville, Osuna, Spain
| | - Ignacio Ara
- Instituto de Investigación Sanitaria de Castilla-La Mancha (IDISCAM), Junta de Comunidades de Castilla-La Mancha (JCCM), Spain
- GENUD Toledo Research Group, Faculty of Sports Sciences, Universidad de Castilla-La Mancha, Toledo, Spain; and
- CIBER on Frailty and Healthy Aging (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain
| | - Juan A León-Prados
- Department of Sports and Computer Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
- Department of Sports and Computer Sciences, Faculty of Sport Sciences, Universidad Pablo de Olavide, Seville, Spain
| | - Luis M Alegre
- Instituto de Investigación Sanitaria de Castilla-La Mancha (IDISCAM), Junta de Comunidades de Castilla-La Mancha (JCCM), Spain
- GENUD Toledo Research Group, Faculty of Sports Sciences, Universidad de Castilla-La Mancha, Toledo, Spain; and
- CIBER on Frailty and Healthy Aging (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain
| | - Fernando Pareja-Blanco
- Department of Sports and Computer Sciences, Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
- Department of Sports and Computer Sciences, Faculty of Sport Sciences, Universidad Pablo de Olavide, Seville, Spain
| | - Julian Alcazar
- Instituto de Investigación Sanitaria de Castilla-La Mancha (IDISCAM), Junta de Comunidades de Castilla-La Mancha (JCCM), Spain
- GENUD Toledo Research Group, Faculty of Sports Sciences, Universidad de Castilla-La Mancha, Toledo, Spain; and
- CIBER on Frailty and Healthy Aging (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain
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Lanza MB, Martins-Costa HC, de Almeida AR, de Souza CC, Diniz RC, Lima FV, Andrade AG, Chagas MH. Pectoralis major and triceps brachii cross-sectional area measured on different planes: the effect on the muscle size-strength relationship. J Sports Med Phys Fitness 2023; 63:1194-1201. [PMID: 37675501 DOI: 10.23736/s0022-4707.23.15090-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
BACKGROUND Magnetic resonance imaging (MRI) is a well-used technique to assess muscle size and can be acquired on different planes. Pectoralis major (PM) and triceps brachii (TB) muscles are often acquired and analyzed on the axial plane, however it is unknown if anatomical cross-sectional area (CSA) calculated from different planes will affect the muscle size-strength relationship. Thus, the first aim of the present study was to identify if the CSA of the PM and TB measured on different planes presents a similar muscle size-strength relationship. A secondary aim was to investigate if the quantification of CSA of the PM and TB muscles are similar between sagittal and axial plane. METHODS Fifteen males underwent an MRI examination, and after that, one-repetition maximum (1RM) test was performed. RESULTS There was a significant relationship between 1RM and PM CSA measured on the axial and sagittal plane (r≤0.81), while the relationship with TB CSA was only good on the axial plane (r=0.65) and not significant on the sagittal plane (r=0.27). ICC between planes was excellent for PM CSA (0.96) with Bland-Altman procedure showing agreement between planes (d=0.376; P=0.612). Contrarily, TB CSA ICC was week (0.07), with Bland-Altman procedure showing no agreement between planes (d=-24.49; P=0.022). CONCLUSIONS CSA measured at axial plane from PM and TB muscles showed a significant relationship with 1RM, while only PM CSA on the sagittal plane showed a significant relationship with 1RM. Finally, it was demonstrated that PM images showed a great reliability between planes, which was not true for TB muscle.
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Affiliation(s)
- Marcel B Lanza
- Department of Physical Therapy and Rehabilitation, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Hugo C Martins-Costa
- Weight Training Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais, Belo Horizonte, Brazil -
- Department of Physical Education, Pontifical Catholic University of Minas Gerais, Belo Horizonte, Brazil
| | - Aler R de Almeida
- Department of Physical Education, Pontifical Catholic University of Minas Gerais, Belo Horizonte, Brazil
| | - Carolina C de Souza
- Department of Physical Therapy and Rehabilitation, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Rodrigo Cr Diniz
- Weight Training Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Fernando V Lima
- Weight Training Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - André Gp Andrade
- Weight Training Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Mauro H Chagas
- Weight Training Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais, Belo Horizonte, Brazil
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Fernandez J, Shim V, Schneider M, Choisne J, Handsfield G, Yeung T, Zhang J, Hunter P, Besier T. A Narrative Review of Personalized Musculoskeletal Modeling Using the Physiome and Musculoskeletal Atlas Projects. J Appl Biomech 2023; 39:304-317. [PMID: 37607721 DOI: 10.1123/jab.2023-0079] [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: 03/28/2023] [Revised: 07/02/2023] [Accepted: 07/24/2023] [Indexed: 08/24/2023]
Abstract
In this narrative review, we explore developments in the field of computational musculoskeletal model personalization using the Physiome and Musculoskeletal Atlas Projects. Model geometry personalization; statistical shape modeling; and its impact on segmentation, classification, and model creation are explored. Examples include the trapeziometacarpal and tibiofemoral joints, Achilles tendon, gastrocnemius muscle, and pediatric lower limb bones. Finally, a more general approach to model personalization is discussed based on the idea of multiscale personalization called scaffolds.
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Affiliation(s)
- Justin Fernandez
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
- Department of Engineering Science and Biomedical Engineering, University of Auckland, Auckland,New Zealand
| | - Vickie Shim
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Marco Schneider
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Julie Choisne
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Geoff Handsfield
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Ted Yeung
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Ju Zhang
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Peter Hunter
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
| | - Thor Besier
- Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand
- Department of Engineering Science and Biomedical Engineering, University of Auckland, Auckland,New Zealand
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Liu W, Wu HD, Ling YT, Shea QTK, Nazari V, Zheng YP, Ma CZH. Reliability and validity of assessing lower-limb muscle architecture of patients with cerebral palsy (CP) using ultrasound: A systematic review. JOURNAL OF CLINICAL ULTRASOUND : JCU 2023; 51:1212-1222. [PMID: 37334435 DOI: 10.1002/jcu.23498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/11/2023] [Accepted: 05/16/2023] [Indexed: 06/20/2023]
Abstract
AIMS To investigate the reliability, validity, and level of evidence of applying ultrasound in assessing the lower-limb muscles of patients with cerebral palsy (CP). METHOD Publications in Medline, PubMed, Web of Science, and Embase were searched on May 10, 2023, to identify and examine relevant studies investigating the reliability/validity of ultrasound in evaluating the architecture of CP lower-limb muscles systematically, following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis 2020 guidelines. RESULTS Out of 897 records, 9 publications with 111 CP participants aged 3.8-17.0 years were included (8 focused on intra-rater and inter-rater reliability, 2 focused on validity, and 4 were with high quality). The ultrasound-based measurements of muscle thickness (intra-rater only), muscle length, cross-sectional area, muscle volume, fascicle length, and pennation angle showed high reliability, with the majority of intraclass correlation coefficient (ICC) values being larger than 0.9. Moderate-to-good correlations between ultrasound and magnetic resonance imaging measurements existed in muscle thickness and cross-sectional area (0.62 ≤ ICC ≤ 0.82). INTERPRETATION Generally, ultrasound has high reliability and validity in evaluating the CP muscle architecture, but this is mainly supported by moderate and limited levels of evidence. More high-quality future studies are needed.
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Affiliation(s)
- Wei Liu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
- Department of Prosthetic and Orthotic Engineering, School of Rehabilitation, Kunming Medical University, Kunming, China
| | - Hui Dong Wu
- Department of Prosthetic and Orthotic Engineering, School of Rehabilitation, Kunming Medical University, Kunming, China
| | - Yan To Ling
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Queenie Tsung Kwan Shea
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Vaheh Nazari
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Yong-Ping Zheng
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
- Research Institute for Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China
| | - Christina Zong-Hao Ma
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
- Research Institute for Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China
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Robinson J, Bas M, Deyer T, Cooper HJ, Hepinstall M, Ranawat A, Rodriguez JA. Muscle recovery after total hip arthroplasty: prospective MRI comparison of anterior and posterior approaches. Hip Int 2023; 33:611-619. [PMID: 36192819 DOI: 10.1177/11207000221114456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION The direct anterior approach (DAA) and the posterior approach (PA) are 2 common total hip arthroplasty (THA) exposures. This prospective study quantitatively compared changes in periarticular muscle volume after DAA and PA THA. MATERIALS 19 patients undergoing THA were recruited prospectively from the practices of 3 fellowship-trained hip surgeons. Each surgeon performed a single approach, DAA or PA. Enrolled patients underwent a preoperative MRI of the affected hip and two subsequent postoperative MRIs at around 6 weeks and 6 months after surgery. Clinical evaluations were done by Harris Hip Score at each follow-up interval. RESULTS MRIs or 10 DAA and 9 PA patients were analysed. Groups did not differ significantly with regard to BMI, age, or preoperative muscle volume. 1 DAA patient suffered a periprosthetic fracture and was excluded from the study. DAA hips showed significant atrophy in the obturator internus (-37.3%) muscle at early follow-up, with persistent atrophy of this muscle at the final follow-up. PA hips showed significant atrophy in the obturator internus (-46.8%) and externus (-16.0%), piriformis (-8.12%), and quadratus femoris muscles (-13.1%) at early follow-up, with persistent atrophy of these muscles at final follow-up. Loss of anterior capsular integrity was present at final follow-up in 2/10 DAA hips while loss of posterior capsular integrity was present in 5/9 PA hips. There was no difference in clinical outcomes. DISCUSSION This study demonstrates that DAA showed less persistent muscular atrophy than PA. Regardless of surgical approach, a muscle whose tendon is detached from its insertion is likely to demonstrate persistent atrophy 6 months following THA. Although the study was not powered to compare clinical outcomes, it should be noted that no significant difference in patient outcomes was observed.
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Affiliation(s)
| | | | | | - H John Cooper
- Columbia University Medical Center, New York, NY, USA
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Smith MA, Sexton CL, Smith KA, Osburn SC, Godwin JS, Beausejour JP, Ruple BA, Goodlett MD, Edison JL, Fruge AD, Robinson AT, Gladden LB, Young KC, Roberts MD. Molecular predictors of resistance training outcomes in young untrained female adults. J Appl Physiol (1985) 2023; 134:491-507. [PMID: 36633866 PMCID: PMC10190845 DOI: 10.1152/japplphysiol.00605.2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 01/10/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023] Open
Abstract
We sought to determine if the myofibrillar protein synthetic (MyoPS) response to a naïve resistance exercise (RE) bout, or chronic changes in satellite cell number and muscle ribosome content, were associated with hypertrophic outcomes in females or differed in those who classified as higher (HR) or lower (LR) responders to resistance training (RT). Thirty-four untrained college-aged females (23.4 ± 3.4 kg/m2) completed a 10-wk RT protocol (twice weekly). Body composition and leg imaging assessments, a right leg vastus lateralis biopsy, and strength testing occurred before and following the intervention. A composite score, which included changes in whole body lean/soft tissue mass (LSTM), vastus lateralis (VL) muscle cross-sectional area (mCSA), midthigh mCSA, and deadlift strength, was used to delineate upper and lower HR (n = 8) and LR (n = 8) quartiles. In all participants, training significantly (P < 0.05) increased LSTM, VL mCSA, midthigh mCSA, deadlift strength, mean muscle fiber cross-sectional area, satellite cell abundance, and myonuclear number. Increases in LSTM (P < 0.001), VL mCSA (P < 0.001), midthigh mCSA (P < 0.001), and deadlift strength (P = 0.001) were greater in HR vs. LR. The first-bout 24-hour MyoPS response was similar between HR and LR (P = 0.367). While no significant responder × time interaction existed for muscle total RNA concentrations (i.e., ribosome content) (P = 0.888), satellite cell abundance increased in HR (P = 0.026) but not LR (P = 0.628). Pretraining LSTM (P = 0.010), VL mCSA (P = 0.028), and midthigh mCSA (P < 0.001) were also greater in HR vs. LR. Female participants with an enhanced satellite cell response to RT, and more muscle mass before RT, exhibited favorable resistance training adaptations.NEW & NOTEWORTHY This study continues to delineate muscle biology differences between lower and higher responders to resistance training and is unique in that a female population was interrogated. As has been reported in prior studies, increases in satellite cell numbers are related to positive responses to resistance training. Satellite cell responsivity, rather than changes in muscle ribosome content per milligrams of tissue, may be a more important factor in delineating resistance-training responses in women.
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Affiliation(s)
- Morgan A Smith
- School of Kinesiology, Auburn University, Auburn, Alabama
| | - Casey L Sexton
- School of Kinesiology, Auburn University, Auburn, Alabama
| | - Kristen A Smith
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, Alabama
| | | | | | | | | | - Michael D Goodlett
- Athletics Department, Auburn University, Auburn, Alabama
- Edward Via College of Osteopathic Medicine, Auburn, Alabama
| | - Joseph L Edison
- Athletics Department, Auburn University, Auburn, Alabama
- Edward Via College of Osteopathic Medicine, Auburn, Alabama
| | - Andrew D Fruge
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, Alabama
- College of Nursing, Auburn University, Auburn, Alabama
| | | | | | - Kaelin C Young
- School of Kinesiology, Auburn University, Auburn, Alabama
- Edward Via College of Osteopathic Medicine, Auburn, Alabama
| | - Michael D Roberts
- School of Kinesiology, Auburn University, Auburn, Alabama
- Edward Via College of Osteopathic Medicine, Auburn, Alabama
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The reliability of the measurement of muscle volume using magnetic resonance imaging in typically developing infants by two raters. Sci Rep 2022; 12:18191. [PMID: 36307532 PMCID: PMC9616850 DOI: 10.1038/s41598-022-23087-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 10/25/2022] [Indexed: 12/31/2022] Open
Abstract
To assess intra-rater and inter-rater reliability of the manual segmentation of Magnetic Resonance Imaging (MRI) for the in vivo measurement of infant muscle volume of the knee extensor and flexor muscles by two raters. Muscles of the knee extensor and flexor muscle of ten typically developing infants (86 days ± 7 days) were scanned with MRI (Proton density sequence). Scans were then segmented using Slicer software, and volumes rendered by two raters. Intra-rater and inter-rater reliability were assessed using intra-class correlation (ICC), with mean difference (MD), standard error of the mean (SEM), and minimal detectable change (MDC) for each muscle calculated. ICCs for Intra-rater reliability of the segmentation process for the muscle volume of the muscles of the knee extensors and flexor muscles were 0.901-0.972, and 0.776-0.945 respectively, with inter-rater reliabilities between 0.914-0.954 and 0.848-0.978, for the knee extensor and flexors muscles respectively. For intra-rater reliability, MD ≤ - 0.47 cm3, MDCs for were < 1.09 cm3 and for inter-rater MD ≤ - 1.40 cm3, MDCs for were < 1.63 cm3 for all muscles. MRI segmentation for muscle volumes showed good to excellent reliability, though given the small volumes of the muscles themselves, variations between raters are amplified. Care should be taken in the reporting and interpretation of infant muscle volume.
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Intra- and Inter-rater Reliability of a Magnetic Resonance Imaging-Based Volumetric Analysis of the Abductor Hallucis Muscle. IRANIAN JOURNAL OF RADIOLOGY 2022. [DOI: 10.5812/iranjradiol-128725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Background: The muscle volume considerably changes with aging, pathologies, mechanical loading and exercise, and immobilization. It is recognized as an important parameter that can be measured by various methods to evaluate the effectiveness of interventions focusing on muscle strengthening and function. However, before the application of any measurement method, their reliability needs to be investigated and established. Objectives: This study aimed to evaluate the inter- and intra-rater reliability of the manual measurement method of the abductor hallucis muscle volume in feet with hallux valgus deformities using magnetic resonance imaging (MRI). Patients and Methods: The MRI images of the feet of 15 samples with a hallux valgus deformity were selected in this study. The cross-sectional areas of the abductor hallucis muscle were measured in the cuts along the entire length of the foot and multiplied by slice thickness. Two trained raters performed the measurements. The second rater repeated the measurements after five days to eliminate the memory effect. The intra-rater reliability and inter-rater reliability were assessed based on the intraclass correlation coefficient [ICC (2, 1)] to evaluate the extent of agreement between the raters at a 95% confidence interval. Results: The between- and within-rater ICCs were 0.92 (0.79 - 0.97) and 0.99 (0.97 - 0.99), respectively. The standard error of measurements was also small in both inter-rater (6.2%) and intra-rater (2.1%) reliability analyses. Conclusion: The manually outlined slice-by-slice volume measurement of the abductor hallucis muscle based on MRI images showed excellent inter- and intra-rater reliability. The excellent intra-rater reliability, besides the lower standard error percentage of measurements, indicates the superiority of measurements by a single person. However, further studies with a larger sample size are recommended.
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11
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Högelin ER, Thulin K, von Walden F, Fornander L, Michno P, Alkner B. Reliability and Validity of an Ultrasound-Based Protocol for Measurement of Quadriceps Muscle Thickness in Children. Front Physiol 2022; 13:830216. [PMID: 35832479 PMCID: PMC9272772 DOI: 10.3389/fphys.2022.830216] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 06/06/2022] [Indexed: 11/15/2022] Open
Abstract
Introduction and aims: Accurate determination of skeletal muscle size is of great importance in multiple settings including resistance exercise, aging, disease, and disuse. Ultrasound (US) measurement of muscle thickness (MT) is a method of relatively high availability and low cost. The present study aims to evaluate a multisite ultrasonographic protocol for measurement of MT with respect to reproducibility and correlation to gold-standard measurements of muscle volume (MV) with magnetic resonance imaging (MRI) in children. Material and methods: 15 children completed the study (11 ± 1 year, 41 ± 8 kg, 137 ± 35 cm). Following 20 min supine rest, two investigators performed US MT measurements of all four heads of the m. quadriceps femoris, at pre-determined sites. Subsequently, MRI scanning was performed and MV was estimated by manual contouring of individual muscle heads. Results: Ultrasound measurement of MT had an intra-rater reliability of ICC = 0.985–0.998 (CI 95% = 0.972–0.998) and inter-rater reliability of ICC = 0.868–0.964 (CI 95% = 0.637–0.983). The US examinations took less than 15 min, per investigator. Muscle thickness of all individual quadriceps muscles correlated significantly with their corresponding MV as measured by MRI (overall r = 0.789, p < 0.001). Conclusion: The results of this study indicate that US measurement of MT using a multisite protocol is a competitive alternative to MRI scanning, especially with respect to availability and time consumption. Therefore, US MT could allow for wider clinical and scientific implementation.
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Affiliation(s)
- Emil Rydell Högelin
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Futurum - Academy for Health and Care, Jönköping, Sweden
| | - Kajsa Thulin
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Orthopaedic Surgery, Eksjö, Jönköping, Sweden
| | - Ferdinand von Walden
- Department of Paediatrics, Karolinska University Hospital, Stockholm, Sweden.,Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Lotta Fornander
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Orthopedic Surgery, Norrköping, Sweden
| | - Piotr Michno
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Orthopaedic Surgery, Jönköping, Sweden
| | - Björn Alkner
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Orthopaedic Surgery, Eksjö, Jönköping, Sweden
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12
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Chargi N, Bril SI, Smid EJ, de Jong PA, de Bree R. Cut-off values for low skeletal muscle mass at the level of the third cervical vertebra (C3) in patients with head and neck cancer. Quant Imaging Med Surg 2022; 12:3024-3033. [PMID: 35655816 PMCID: PMC9131345 DOI: 10.21037/qims-21-911] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 01/19/2022] [Indexed: 11/19/2023]
Abstract
BACKGROUND Low skeletal muscle mass is associated with adverse outcomes in patients with cancer. For patients with head and neck cancer (HNC), skeletal muscle mass is often assessed at the third cervical vertebra on head and neck imaging. Due to the unavailability of standardized cut-off values for low skeletal muscle mass in patients with head and cancer, there is heterogeneousness of cut-off values for low skeletal muscle mass described in literature. Therefore, we aim to provide standardized cut-off values for low skeletal muscle mass in HNC patients. METHODS A retrospective cohort study was performed. Between 2008 and 2018, HNC patients with head and neck imaging were included. Skeletal muscle area (SMA) was manually delineated at the level of the third cervical vertebra and corrected for patients squared height to obtain the cervical skeletal muscle mass index. Gender and body-mass index specific cut-off values for low skeletal muscle mass were calculated based on mean cervical skeletal muscle mass index minus 2 standard deviations as suggested in literature. RESULTS Of the 1,415 included patients, the majority was male (69.8%) and had a body mass index below 25 kg/m2 (59.2%). A primary tumor localization in the oropharynx (35.3%) and a tumor, node, metastasis stage IV tumor (60.5%) were most frequently observed. Cervical skeletal muscle mass index was significantly correlated with gender (r2=0.4, P<0.01) and body mass index (r2=0.4, P<0.01). For male patients with a body mass index <25 and ≥25 kg/m2, a cervical skeletal muscle mass index of respectively ≤6.8 and ≤8.5 cm2/m2 was defined for low skeletal muscle mass. For female patients with a body mass index <25 and ≥25 kg/m2, a cervical skeletal muscle mass index of respectively ≤5.3 and ≤6.4 cm2/m2 was defined for low skeletal muscle mass. CONCLUSIONS This study is the first to provide standardized cut-off values for low skeletal muscle mass at the level of the third cervical vertebra in patients with HNC. This information may aid in the uniformity of low skeletal muscle mass definition in research.
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Affiliation(s)
- Najiba Chargi
- Department of Head and Neck Surgical Oncology, Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Sandra I. Bril
- Department of Head and Neck Surgical Oncology, Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ernst J. Smid
- Department of Radiation Oncology, Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Pim A. de Jong
- Department of Radiology and Nuclear Medicine, Division of Imaging and Oncology, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Remco de Bree
- Department of Head and Neck Surgical Oncology, Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
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13
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Reliability and agreement of lumbar multifidus volume and fat fraction quantification using magnetic resonance imaging. Musculoskelet Sci Pract 2022; 59:102532. [PMID: 35245881 DOI: 10.1016/j.msksp.2022.102532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/08/2022] [Accepted: 02/16/2022] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Magnetic resonance imaging (MRI) is the standard to quantify size and structure of lumbar muscles. Three-dimensional volumetric measures are expected to be more closely related to muscle function than two-dimensional measures such as cross-sectional area. Reliability and agreement of a standardized method should be established to enable the use of MRI to assess lumbar muscle characteristics. OBJECTIVES This study investigates the intra- and inter-processor reliability for the quantification of (1) muscle volume and (2) fat fraction based on chemical shift MRI images using axial 3D-volume measurements of the lumbar multifidus in patients with low back pain. METHODS Two processors manually segmented the lumbar multifidus on the MRI scans of 18 patients with low back pain using Mevislab software following a well-defined method. Fat fraction of the segmented volume was calculated. Reliability and agreement were determined using intra-class correlation coefficients (ICC), Bland-Altman plots and calculation of the standard error of measurement (SEM) and minimal detectable change (MDC). RESULTS Excellent ICCs were found for both intra-processor and inter-processor analysis of lumbar multifidus volume measurement, with slightly better results for the intra-processor reliability. The SEMs for volume were lower than 4.1 cm³. Excellent reliability and agreement were also found for fat fraction measures, with ICCs of 0.985-0.998 and SEMs below 0.946%. CONCLUSION The proposed method to quantify muscle volume and fat fraction of the lumbar multifidus on MRI was highly reliable, and can be used in further research on lumbar multifidus structure.
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14
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Franettovich Smith MM, Mendis MD, Weber KA, Elliott JM, Ho R, Wilkes MJ, Collins NJ. Improving the measurement of intrinsic foot muscle morphology and composition from high-field (7T) magnetic resonance imaging. J Biomech 2022; 140:111164. [PMID: 35661535 DOI: 10.1016/j.jbiomech.2022.111164] [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: 01/10/2022] [Revised: 05/07/2022] [Accepted: 05/23/2022] [Indexed: 11/28/2022]
Abstract
Magnetic resonance imaging (MRI) can be used to quantify intrinsic foot muscle morphology and composition. Due to the high spatial resolution required to adequately capture the architecturally complex anatomy, manual segmentation is time consuming and not clinically feasible. The aim of this study was to evaluate if a reduced number of MRI slices can be used to accurately estimate intrinsic foot muscle volume and composition. A three-dimensional 2-point Dixon sequence of the whole foot was acquired at 7-Tesla for thirteen asymptomatic individuals and twenty individuals with plantar heel pain. Slice intervals of 2, 3, 5, 10, 15 and 30 were used to calculate alternative muscle volume and composition, and were compared to reference values calculated from every available slice. Agreement between methods was assessed by calculating mean differences and 95% limits of agreement, and inspection of Bland -Altman plots. In both groups, slice intervals of 2, 3 and 5 provided excellent precision for all muscles (measurement error < 1%). Larger slice intervals of 10, 15 and 30 provided excellent precision for some muscles, but for other muscles (e.g. small forefoot muscles), error was up to 7.3%. Bland-Altman plots showed no systematic measurement bias. This study provides a quantitative basis for selecting a reduced number of slices to measure intrinsic foot muscle volume and composition from MRI. A slice interval of 10 may provide a balance between efficiency (36 mins vs. 6 h) and accuracy (error < 2.4%) across all intrinsic foot muscles in asymptomatic individuals and those with plantar heel pain.
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Affiliation(s)
- Melinda M Franettovich Smith
- School of Health and Rehabilitation Sciences: Physiotherapy, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - M Dilani Mendis
- School of Health Sciences and Social Work, Griffith University, Nathan, Queensland 4111, Australia; Menzies Health Institute Queensland, The Hopkins Centre, Griffith University, Nathan, Queensland 4111, Australia
| | - Kenneth A Weber
- Division of Pain Medicine, Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, USA
| | - James M Elliott
- School of Health and Rehabilitation Sciences: Physiotherapy, The University of Queensland, Brisbane, Queensland 4072, Australia; The Kolling Institute of Medical Research, Northern Clinical School, University of Sydney, St Leonards, New South Wales 2065, Australia; Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales 2006, Australia; Physical Therapy & Human Movement Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ray Ho
- School of Health and Rehabilitation Sciences: Physiotherapy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Margot J Wilkes
- School of Health Sciences and Social Work, Griffith University, Nathan, Queensland 4111, Australia
| | - Natalie J Collins
- School of Health and Rehabilitation Sciences: Physiotherapy, The University of Queensland, Brisbane, Queensland 4072, Australia; La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria 3086, Australia
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15
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Quinlan JI, Jones C, Bissonnette E, Dhaliwal A, Williams F, Choudhary S, Breen L, Lavery GG, Armstrong MJ, Elsharkawy AM, Lord JM, Greig CA. The Impact of Slice Interval and Equation on the Accuracy of Magnetic Resonance Image Estimation of Quadriceps Muscle Volume in End Stage Liver Disease. FRONTIERS IN REHABILITATION SCIENCES 2022; 3:854041. [PMID: 36189070 PMCID: PMC9397895 DOI: 10.3389/fresc.2022.854041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/28/2022] [Indexed: 11/13/2022]
Abstract
Introduction End stage liver disease (ESLD) is associated with loss of muscle mass and function, known as sarcopenia, which can increase the risk of complications of ESLD, hospitalization and mortality. Therefore, the accurate assessment of muscle mass is essential to evaluate sarcopenia in ESLD. However, manual segmentation of muscle volume (MV) can be laborious on cross-sectional imaging, due to the number of slices that require analysis. This study aimed to investigate the impact of reducing the number of slices required for MV estimation. Further, we aimed to compare two equations utilized in estimating MV (cylindrical and truncated cone). Methods Thirty eight ESLD patients (23 males; 54.8 ± 10.7 years) were recruited from the Queen Elizabeth University Hospital Birmingham. A 3T MRI scan was completed of the lower limbs. Quadriceps MV was estimated utilizing 1-, 2-, 3-, and 4 cm slice intervals with both cylindrical and truncated cone equations. Absolute and relative error (compared to 1 cm slice interval) was generated for 2-, 3-, and 4 cm slice intervals. L3 skeletal muscle index (SMI) was also calculated in 30 patients. Results Relative error increased with slice interval using the cylindrical (0.45 vs. 1.06 vs. 1.72%) and truncated cone equation (0.27 vs. 0.58 vs. 0.74%) for 2, 3, and 4 cm, respectively. Significantly, the cylindrical equation produced approximately twice the error compared to truncated cone, with 3 cm (0.58 vs. 1.06%, P < 0.01) and 4 cm intervals (0.74 vs. 1.72%, P < 0.001). Finally, quadriceps MV was significantly correlated to L3 SMI (r2 = 0.44, P < 0.0001). Conclusion The use of the truncated equation with a 4 cm slice interval on MRI offers an efficient but accurate estimation of quadricep muscle volume in ESLD patients.
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Affiliation(s)
- Jonathan I. Quinlan
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Clare Jones
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Emma Bissonnette
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Amritpal Dhaliwal
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
| | - Felicity Williams
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
- Therapies Department, University Hospitals Birmingham, Birmingham, United Kingdom
| | - Surabhi Choudhary
- Department of Imaging, University Hospitals Birmingham, Birmingham, United Kingdom
| | - Leigh Breen
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
| | - Gareth G. Lavery
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
- Department of Biosciences, Nottingham Trent University, Nottingham, United Kingdom
| | - Matthew J. Armstrong
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- Liver Unit, Queen Elizabeth Hospital Birmingham, Birmingham, United Kingdom
| | - Ahmed M. Elsharkawy
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- Liver Unit, Queen Elizabeth Hospital Birmingham, Birmingham, United Kingdom
| | - Janet M. Lord
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
| | - Carolyn A. Greig
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
- MRC-Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
- *Correspondence: Carolyn A. Greig
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16
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Belzunce MA, Henckel J, Di Laura A, Hart A. Intramuscular fat in gluteus maximus for different levels of physical activity. Sci Rep 2021; 11:21401. [PMID: 34725385 PMCID: PMC8560940 DOI: 10.1038/s41598-021-00790-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 10/06/2021] [Indexed: 12/31/2022] Open
Abstract
We aimed to determine if gluteus maximus (GMAX) fat infiltration is associated with different levels of physical activity. Identifying and quantifying differences in the intramuscular fat content of GMAX in subjects with different levels of physical activity can provide a new tool to evaluate hip muscles health. This was a cross-sectional study involving seventy subjects that underwent Dixon MRI of the pelvis. The individuals were divided into four groups by levels of physical activity, from low to high: inactive patients due to hip pain; and low, medium and high physical activity groups of healthy subjects (HS) based on hours of exercise per week. We estimated the GMAX intramuscular fat content for each subject using automated measurements of fat fraction (FF) from Dixon images. The GMAX volume and lean volume were also measured and normalized by lean body mass. The effects of body mass index (BMI) and age were included in the statistical analysis. The patient group had a significantly higher FF than the three groups of HS (median values of 26.2%, 17.8%, 16.7% and 13.7% respectively, p < 0.001). The normalized lean volume was significantly larger in the high activity group compared to all the other groups (p < 0.001, p = 0.002 and p = 0.02). Employing a hierarchical linear regression analysis, we found that hip pain, low physical activity, female gender and high BMI were statistically significant predictors of increased GMAX fat infiltration.
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Affiliation(s)
| | - Johann Henckel
- Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
| | - Anna Di Laura
- Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
| | - Alister Hart
- Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK.
- Institute of Orthopaedics and Musculoskeletal Science, Royal National Orthopaedic Hospital (RNOH), University College London, Brockley Hill, Stanmore, Middlesex, HA7 4LP, UK.
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17
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Azimbagirad M, Dardenne G, Salem DB, Remy-Neris O, Burdin V. Towards the definition of a patient-specific rehabilitation program for TKA: A new MRI-based approach for the easy volumetric analysis of thigh muscles . ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2021; 2021:3141-3144. [PMID: 34891907 DOI: 10.1109/embc46164.2021.9630726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
After Total Knee Arthroplasty (TKA), a global post-operative rehabilitation programme is commonly performed. However, this current program is not always adapted to every patient and it could be improved by deeply reinforcing weaker thigh muscles. To do this, a muscle volume estimation coupled with force evaluation is required to therefore adapt the rehabilitation as a specific patient exercise plan. In this paper, we presented an MRI protocol allowing the acquisition of the whole thigh as well as a semi-automated pipeline to segment two main groups of thigh muscles, i.e., the quadriceps femoris and the hamstrings muscles. The pipeline is based on a few cross-sections manually labelled and a 3D-spline interpolation using directed graphs corresponding points. The seven muscles of ten thighs (70 muscles in total) were segmented and reconstructed in 3D. To assess this pipeline, three types of metrics (volumetric similarity, surface distance, and classical measures) were employed. Furthermore, the inter-muscle overlapping was calculated as an additional metric. The results showed mean DICE was 99.6% (±0.1), Hausdorff Distance was 4.9 mm (±1.8) and Absolute Volume Difference was 2.97 cm3 (±1.94) in comparison to the manual ground truth. The average overlap was 2.05% (±0.54).Clinical Relevance- The proposed segmentation method is fast, accurate and possible to integrate in the clinical workflow of TKA.
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18
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Ogawa M, Belavý DL, Yoshiko A, Armbrecht G, Miokovic T, Felsenberg D, Akima H. Effects of 8 weeks of bed rest with or without resistance exercise intervention on the volume of the muscle tissue and the adipose tissues of the thigh. Physiol Rep 2021; 8:e14560. [PMID: 32951335 PMCID: PMC7507449 DOI: 10.14814/phy2.14560] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/16/2020] [Accepted: 08/06/2020] [Indexed: 01/03/2023] Open
Abstract
The present study aims to investigate the effects of 8 weeks of bed rest, with or without resistance exercise intervention, on the volumes of muscle tissue and the intramuscular, intermuscular, and subcutaneous adipose tissues of the thigh. Twenty men were included, who were randomly assigned in three groups: resistance exercises group (RE group), resistance exercises with whole-body vibration group (VRE group), and nonexercise control group (CTR group). The RE and VRE groups performed resistance exercises during 8 weeks of bed rest (3 days per week). Additionally, consecutive axial magnetic resonance images were obtained before and after the bed rest. Using these images, the volumes of the muscle tissue and the intramuscular adipose tissue, intermuscular adipose tissue, and subcutaneous adipose tissue of the thigh were evaluated. No significant time-by-group interaction was observed the volumes of the muscle tissue and the intramuscular adipose tissue, intermuscular adipose tissue, and subcutaneous adipose tissue between the RE and VRE groups. Furthermore, the RE and VRE groups were pooled as the resistance exercise intervention group (TR group), wherein their thigh muscle tissue volume was observed to be maintained after the bed rest. However, that of the CTR group significantly decreased. Regarding the thigh intramuscular adipose tissue and intermuscular adipose tissue volumes, no significant difference was observed among the CTR and TR groups. Although subcutaneous adipose tissue volume in the CTR group significantly increased after the bed rest, no changes were observed in that of the TR group. Therefore, the results of the present study suggested that within the 8 weeks of bed rest, adipose tissue adaptation differs depending on the location.
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Affiliation(s)
- Madoka Ogawa
- Graduate School of Education and Human Development, Nagoya University, Furo, Nagoya, Aichi, Japan
| | - Daniel L Belavý
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Akito Yoshiko
- School of International Liberal Studies, Chukyo University, Toyota, Japan
| | - Gabriele Armbrecht
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Tanja Miokovic
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Dieter Felsenberg
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Hiroshi Akima
- Graduate School of Education and Human Development, Nagoya University, Furo, Nagoya, Aichi, Japan.,Research Center of Health, Physical Fitness and Sports, Nagoya University, Furo-cho, Nagoya, Japan
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19
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Mühlenfeld N, Steendahl IB, Berthold DP, Meyer T, Hauser T, Wagner N, Sander AL, Marzi I, Kaltenbach B, Yel I, Vogl T, Eichler K. Assessment of muscle volume using magnetic resonance imaging (MRI) in football players after hamstring injuries. Eur J Sport Sci 2021; 22:1436-1444. [PMID: 34110980 DOI: 10.1080/17461391.2021.1942226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Muscle injuries of the hamstrings are among the most frequent in football and a main cause for significant time away from training and competition. The purpose of this study was to prospectively evaluate the loss of muscle volume in recreational football players three and six weeks after initial trauma. We hypothesized that significant muscle volume loss occurs within 6 weeks after the initial injury event. Twenty recreational football players (mean-age=25 ± 4years; mean-height=181 ± 8cm; mean-weight=81 ± 10kg) with type3a (minor partial muscle tear) and type3b (moderate partial muscle tear) injuries were included. Muscle volume was determined using established methods for the hamstrings and the quadriceps femoris muscle within 3 days and after 3 and 6 weeks following the initial injury. The injured hamstrings lost 6.5% (mean=64 cm3(95%CI=31-98 cm3), p<0.001), the healthy hamstrings lost 2.1% (mean=21 cm3(3-44 cm3),p=0.096) of muscle volume after six weeks. The quadriceps in the injured leg lost 3.8% (mean=78 cm3(51-104 cm3), p<0.001) and 4.5% (83 cm3 (45-121 cm3), p<0.001) in the healthy leg. Muscle volume loss inversely correlated with activity levels in the healthy leg for the quadriceps (r=0.96 (0.90-0.98); R2=0.92; p<0.001) and the hamstrings (r=0.72 (0.40-0.88); R2=0.51; p<0.001), as well as the quadriceps in the injured leg (r=0.70 (0.37-0.87); R2=0.49; p<0.001), but not the injured hamstrings. Muscle volume ratio of hamstrings to quadriceps in the control limb was 0.52 ± 0.06 and 0.53 ± 0.06 in the injured leg. The rehabilitation period of six weeks did not have a relevant negative or a positive effect on ratios. Significant muscle volume loss in the upper thigh occurs in recreational soccer players within three, and within six weeks after a hamstring injury and lies between 2% and 7%.Highlights This study found that significant muscle volume loss occurs within six weeks after sustaining hamstring muscle group injuries.Additionally, most of the non-professional football players in the present study demonstrated low hamstring-to-quadriceps volume ratios in both the injured, as well as the heathy leg. Low hamstring-to-quadriceps volume ratios may provide an opportunity to focus on muscle hypertrophy strategies to help reduce the risk for muscle imbalances and thus future injury.After three weeks of resting, reduced training activity, compared to the training activity before the injury, seems to be sufficient to preserve 99% of the remaining muscle volume in the quadriceps and as well as the healthy hamstrings. The number of training-minutes correlates statistically significant inversely with the muscle volume lost in a rehabilitation period.
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Affiliation(s)
- Nils Mühlenfeld
- Department of Trauma, Hand and Reconstructive Surgery, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Ida Bo Steendahl
- Institute of Sports and Preventive Medicine, Saarland University, Saarbruecken, Germany.,Deutscher Fußball-Bund (DFB), Frankfurt, Germany
| | - Daniel P Berthold
- Department of Orthopaedic Sports Medicine, Technical University of Munich, Munich, Germany
| | - Tim Meyer
- Institute of Sports and Preventive Medicine, Saarland University, Saarbruecken, Germany
| | | | - Nils Wagner
- Department of Trauma, Hand and Reconstructive Surgery, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Anna-Lena Sander
- Department of Trauma, Hand and Reconstructive Surgery, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Ingo Marzi
- Department of Trauma, Hand and Reconstructive Surgery, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Benjamin Kaltenbach
- Institute for Diagnostic and Interventional Radiology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Ibrahim Yel
- Institute for Diagnostic and Interventional Radiology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Thomas Vogl
- Institute for Diagnostic and Interventional Radiology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Katrin Eichler
- Institute for Diagnostic and Interventional Radiology, Goethe University Frankfurt, Frankfurt am Main, Germany
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20
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Sarto F, Spörri J, Fitze DP, Quinlan JI, Narici MV, Franchi MV. Implementing Ultrasound Imaging for the Assessment of Muscle and Tendon Properties in Elite Sports: Practical Aspects, Methodological Considerations and Future Directions. Sports Med 2021; 51:1151-1170. [PMID: 33683628 PMCID: PMC8124062 DOI: 10.1007/s40279-021-01436-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2021] [Indexed: 12/16/2022]
Abstract
Ultrasound (US) imaging has been widely used in both research and clinical settings to evaluate the morphological and mechanical properties of muscle and tendon. In elite sports scenarios, a regular assessment of such properties has great potential, namely for testing the response to training, detecting athletes at higher risks of injury, screening athletes for structural abnormalities related to current or future musculoskeletal complaints, and monitoring their return to sport after a musculoskeletal injury. However, several practical and methodological aspects of US techniques should be considered when applying this technology in the elite sports context. Therefore, this narrative review aims to (1) present the principal US measures and field of applications in the context of elite sports; (2) to discuss, from a methodological perspective, the strengths and shortcomings of US imaging for the assessment of muscle and tendon properties; and (3) to provide future directions for research and application.
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Affiliation(s)
- Fabio Sarto
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Jörg Spörri
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Department of Orthopaedics, University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Daniel P Fitze
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Jonathan I Quinlan
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK
- National Institute for Health Research, Birmingham Biomedical Research Centre at University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Marco V Narici
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- CIR-MYO Myology Centre, University of Padova, Padova, Italy
| | - Martino V Franchi
- Department of Biomedical Sciences, University of Padova, Padova, Italy.
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Franchi MV, Fitze DP, Hanimann J, Sarto F, Spörri J. Panoramic ultrasound vs. MRI for the assessment of hamstrings cross-sectional area and volume in a large athletic cohort. Sci Rep 2020; 10:14144. [PMID: 32839500 PMCID: PMC7445237 DOI: 10.1038/s41598-020-71123-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 08/04/2020] [Indexed: 12/02/2022] Open
Abstract
We investigated the validity of panoramic ultrasound (US) compared to magnetic resonance imaging (MRI) for the assessment of hamstrings cross-sectional area (CSA) and volume. Hamstrings CSA were acquired with US (by an expert operator) at four different sites of femur length (FL) in 85 youth competitive alpine skiers (14.8 ± 0.5 years), and successively compared to corresponding scans obtained by MRI, analyzed by a trained vs. a novice rater. The agreement between techniques was assessed by Bland–Altman analyses. Statistical analysis was carried out using Pearson’s product moment correlation coefficient (r). US-derived CSA showed a very good agreement compared to MRI-based ones. The best sites were 40% FL (0 = mid patellar point) for biceps femoris long head (r = 0.9), 50% for semitendinosus (r = 0.9), and 30% for semimembranosus (r = 0.86) and biceps femoris short head (BFsh, r = 0.8). US-based vs. MRI-based hamstrings volume showed an r of 0.96. Poorer r values were observed for the novice compared to the trained rater, with the biggest difference observed for BFsh at 50% (r = 0.001 vs. r = 0.50, respectively) and semimembranosus at 60% (r = 0.23 vs. r = 0.42, respectively). Panoramic US provides valid CSA values and volume estimations compared to MRI. To ensure optimal US-vs.-MRI agreement, raters should preferably possess previous experience in imaging-based analyses.
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Affiliation(s)
- Martino V Franchi
- Department of Biomedical Sciences, Institute of Physiology, University of Padua, Padua, Italy. .,Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
| | - Daniel P Fitze
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Jonas Hanimann
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Fabio Sarto
- Department of Biomedical Sciences, Institute of Physiology, University of Padua, Padua, Italy
| | - Jörg Spörri
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.,University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
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22
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Huber FA, Del Grande F, Rizzo S, Guglielmi G, Guggenberger R. MRI in the assessment of adipose tissues and muscle composition: how to use it. Quant Imaging Med Surg 2020; 10:1636-1649. [PMID: 32742957 DOI: 10.21037/qims.2020.02.06] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Body composition analysis based on the characterization of different tissue compartments is currently experiencing increasing attention by a broad range of medical disciplines for both clinical and research questions. However, body composition profiling (BCP) can be performed utilizing different modalities, which all come along with several technical and diagnostic strengths and limitations, respectively. Magnetic resonance imaging (MRI) demonstrates good soft tissue resolution, high contrast between fat and water, and is free from ionizing radiation. This review article represents an overview of imaging techniques for body composition assessment, focussing on qualitative and quantitative methods of assessing adipose tissue and muscles in MRI.
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Affiliation(s)
- Florian Alexander Huber
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
| | - Filippo Del Grande
- Istituto di imaging della Svizzera Italiana, Regional Hospital of Lugano, Lugano, Switzerland
| | - Stefania Rizzo
- Istituto di imaging della Svizzera Italiana, Regional Hospital of Lugano, Lugano, Switzerland
| | | | - Roman Guggenberger
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
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Can subcoracoid cyst formation be a sign of anterosuperior rotator cuff tears and biceps pulley lesions? A prospective radiologic and arthroscopic correlation study. J Shoulder Elbow Surg 2020; 29:1665-1670. [PMID: 32192879 DOI: 10.1016/j.jse.2019.11.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 11/21/2019] [Accepted: 11/23/2019] [Indexed: 02/01/2023]
Abstract
BACKGROUND The aim of this study was to investigate the pathologies associated with subcoracoid cysts (ScCs) in patients with rotator cuff (RC) tears and the postoperative appearance of ScCs after arthroscopic repair. METHODS A total of 114 patients who underwent arthroscopic RC repair were prospectively evaluated. The inclusion criteria were as follows: patients with or without ScCs, patients with Patte class 1 or 2 tears, and patients who were 40-65 years of age. Forty-four patients with ScCs (group 1) were evaluated during the 12-month study period. Fifty-two patients who had no ScCs (group 2) were evaluated as a control group. Preoperative and postoperative cyst volumes were measured on magnetic resonance imaging (MRI), and arthroscopic findings were noted. RESULTS Thirty-one patients (70%) in group 1 had a subscapularis tear vs. 10 patients (19%) in group 2 (P < .001). Biceps lesions were encountered in 32 patients (72%) in group 1, whereas 12 patients (23%) had a biceps lesion in group 2 (P < .001). Cyst volume was significantly higher in the following situations: (1) patients who had a subscapularis tear compared with patients without a subscapularis tear, (2) patients who had biceps pulley lesions compared with patients without pulley lesions, and (3) patients who had both pathologies (P = .047, P = .01, and P = .002, respectively). Cyst volumes significantly decreased following RC repair in group 1 (P < .001). CONCLUSION Among patients with small- to medium-sized, full-thickness supraspinatus tears, the prevalence of biceps pulley lesions and/or subscapularis tears is higher in patients with ScCs.
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Dorado C, López-Gordillo A, Serrano-Sánchez JA, Calbet JAL, Sanchis-Moysi J. Hypertrophy of Lumbopelvic Muscles in Inactive Women: A 36-Week Pilates Study. Sports Health 2020; 12:547-551. [PMID: 32396038 DOI: 10.1177/1941738120918381] [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] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The use of Pilates in various fields of sport sciences and rehabilitation is increasing; however, little is known about the muscle adaptations induced by this training method. HYPOTHESIS A standardized Pilates training program for beginners (9 months; 2 sessions of 55 minutes per week) will increase the muscle volume and reduce potential side-to-side asymmetries of the quadratus lumborum, iliopsoas, piriformis, and gluteus muscles (gluteus maximus, medius, and minimus). STUDY DESIGN Controlled laboratory study. LEVEL OF EVIDENCE Level 3. METHOD A total of 12 inactive, healthy women (35.7 ± 5.4 years) without previous experience in Pilates were randomly selected to participate in a supervised Pilates program (36 weeks, twice weekly). Muscle volume (cm3) was determined using magnetic resonance imaging at the beginning and end of the intervention program. Side-to-side asymmetry was calculated as [(left - right volume) × 100/right volume]. RESULTS Small, nonsignificant (P > 0.05) differences in the volume of the quadratus lumborum, iliopsoas, piriformis, and gluteus muscles were observed between pre- and post-Pilates program timepoints. Before and after Pilates, side-to-side asymmetry was less than 6% and nonsignificant in all muscles analyzed. CONCLUSION Modern Pilates performed twice weekly for 9 months did not elicit substantial changes in the volume and degree of asymmetry of the selected lumbopelvic muscles in inactive women. CLINICAL RELEVANCE The benefits of Pilates in rehabilitation or training are likely elicited by neuromuscular rather than morphological adaptations. Pilates has no significant impact on muscle volume and does not alter side-to-side ratios in muscle volume (degree of asymmetry) of the lumbopelvic muscles.
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Affiliation(s)
- Cecilia Dorado
- Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Canary Islands, Spain.,Department of Physical Education Department, University of Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Ana López-Gordillo
- Department of Physical Education Department, University of Las Palmas de Gran Canaria, Canary Islands, Spain
| | - José A Serrano-Sánchez
- Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Canary Islands, Spain.,Department of Physical Education Department, University of Las Palmas de Gran Canaria, Canary Islands, Spain
| | - José A L Calbet
- Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Canary Islands, Spain.,Department of Physical Education Department, University of Las Palmas de Gran Canaria, Canary Islands, Spain.,Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Joaquín Sanchis-Moysi
- Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Canary Islands, Spain.,Department of Physical Education Department, University of Las Palmas de Gran Canaria, Canary Islands, Spain
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Automated multi-atlas segmentation of gluteus maximus from Dixon and T1-weighted magnetic resonance images. MAGNETIC RESONANCE MATERIALS IN PHYSICS BIOLOGY AND MEDICINE 2020; 33:677-688. [PMID: 32152794 DOI: 10.1007/s10334-020-00839-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 02/02/2020] [Accepted: 02/18/2020] [Indexed: 01/10/2023]
Abstract
OBJECTIVE To design, develop and evaluate an automated multi-atlas method for segmentation and volume quantification of gluteus maximus from Dixon and T1-weighted images. MATERIALS AND METHODS The multi-atlas segmentation method uses an atlas library constructed from 15 Dixon MRI scans of healthy subjects. A non-rigid registration between each atlas and the target, followed by majority voting label fusion, is used in the segmentation. We propose a region of interest (ROI) to standardize the measurement of muscle bulk. The method was evaluated using the dice similarity coefficient (DSC) and the relative volume difference (RVD) as metrics, for Dixon and T1-weighted target images. RESULTS The mean(± SD) DSC was 0.94 ± 0.01 for Dixon images, while 0.93 ± 0.02 for T1-weighted. The RVD between the automated and manual segmentation had a mean(± SD) value of 1.5 ± 4.3% for Dixon and 1.5 ± 4.8% for T1-weighted images. In the muscle bulk ROI, the DSC was 0.95 ± 0.01 and the RVD was 0.6 ± 3.8%. CONCLUSION The method allows an accurate fully automated segmentation of gluteus maximus for Dixon and T1-weighted images and provides a relatively accurate volume measurement in shorter times (~ 20 min) than the current gold-standard manual segmentations (2 h). Visual inspection of the segmentation would be required when higher accuracy is needed.
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Tomlinson OW, Barker AR, Fulford J, Wilson P, Oades PJ, Williams CA. Quantification of thigh muscle volume in children and adolescents using magnetic resonance imaging. Eur J Sport Sci 2020; 20:1215-1224. [PMID: 31928202 DOI: 10.1080/17461391.2019.1707292] [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] [Indexed: 01/25/2023]
Abstract
Abstract Estimating muscle volume (MV) using variable numbers of cross-sectional area (CSA) slices obtained from magnetic resonance imaging (MRI) introduces an error that is known in adults, but not in children and adolescents, whereby body sizes differ due to growth and maturation. Therefore, 15 children and adolescents (11 males, 14.8 ± 2.1 years) underwent MRI scans of the right thigh using a 1.5 T scanner to establish this error. A criterion MV was determined by tracing around and summing all CSAs, with MV subsequently estimated using every second, third, fourth and fifth CSA slice. Bland-Altman plots identified mean bias and limits of agreement (LoA) between methods. Error rates between 1.0 and 10.4% were seen between criterion and estimated MV. Additional analyses identified an impact of formulae selection, with a cylindrical formula preferred to a truncated cone. To counter high error between criterion and estimated MV due to the discrepancies in the number of CSA slices analysed, length-matched criterion volumes were established, with reduced error rates (0.5-2.0%) being produced as a result. CSA at 50% thigh-length also predicted MV, producing a high error (13.8-39.6%). Pearson's correlation coefficients determined relationships between error and measures of body size/composition, with all body size/composition measures being correlated (r = -0.78-0.86, p < 0.05) with the error between criterion and estimated MV. To conclude, MV can be accurately estimated using fewer CSA slices. However, the associated error must be considered when calculating MV in children and adolescents, as body size biases estimates.
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Affiliation(s)
- Owen William Tomlinson
- Children's Health and Exercise Research Centre, Sport and Health Sciences, University of Exeter, Exeter, UK.,Royal Devon and Exeter NHS Foundation Trust Hospital, Exeter, UK
| | - Alan Robert Barker
- Children's Health and Exercise Research Centre, Sport and Health Sciences, University of Exeter, Exeter, UK
| | - Jonathan Fulford
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, University of Exeter, Exeter, UK
| | - Paul Wilson
- Children's Health and Exercise Research Centre, Sport and Health Sciences, University of Exeter, Exeter, UK
| | | | - Craig Anthony Williams
- Children's Health and Exercise Research Centre, Sport and Health Sciences, University of Exeter, Exeter, UK.,Royal Devon and Exeter NHS Foundation Trust Hospital, Exeter, UK
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Chargi N, Ansari E, Huiskamp L, Bol G, de Bree R. Agreement between skeletal muscle mass measurements using computed tomography imaging and magnetic resonance imaging in head and neck cancer patients. Oral Oncol 2019; 99:104341. [DOI: 10.1016/j.oraloncology.2019.06.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 06/18/2019] [Indexed: 11/27/2022]
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Nuell S, Illera-Domínguez V, Carmona G, Alomar X, Padullés JM, Lloret M, Cadefau JA. Sex differences in thigh muscle volumes, sprint performance and mechanical properties in national-level sprinters. PLoS One 2019; 14:e0224862. [PMID: 31689336 PMCID: PMC6830821 DOI: 10.1371/journal.pone.0224862] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 10/23/2019] [Indexed: 12/30/2022] Open
Abstract
The purpose of this study was to determine and compare thigh muscle volumes (MVs), and sprint mechanical properties and performance between male and female national-level sprinters. We also studied possible relationships between thigh MVs and sprint performance. Nine male and eight female national-level sprinters participated in the study. T1-weighted magnetic resonance images of the thighs were obtained to determine MVs of quadriceps, hamstrings and adductors. Sprint performance was measured as the time to cover 40 and 80 m. Instantaneous sprint velocity was measured by radar to obtain theoretical maximum force (F0), theoretical maximum velocity (V0) and maximum power (Pmax). When MVs were normalized by height–mass, males showed larger hamstrings (13.5%, ES = 1.26, P < 0.05) compared with females, while quadriceps and adductors showed no statistically significant differences. Males were extremely faster than females in 40 m (14%, ES = 6.68, P < 0.001) and in 80 m (15%, ES = 5.01, P < 0.001. Males also showed increased sprint mechanical properties, with larger F0 (19%, ES = 1.98, P < 0.01), much larger Pmax (46%, ES = 3.76, P < 0.001), and extremely larger V0 (23%, ES = 6.97, P < 0.001). With the pooled data, hamstring and adductor MVs correlated strongly (r = -0.685, P < 0.01) and moderately (r = -0.530, P < 0.05), respectively, with sprint performance; while quadriceps showed no association. The sex-stratified analysis showed weaker associations compared with pooled data, most likely due to small sample size. In conclusion, males were faster than females and showed larger MVs, especially in hamstrings. Moreover, regarding the thigh muscles, hamstrings MV seems the most related with sprint performance as previously proposed.
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Affiliation(s)
- Sergi Nuell
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona (UB), Spain
| | - Víctor Illera-Domínguez
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona (UB), Spain
| | | | | | - Josep Maria Padullés
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona (UB), Spain
| | - Mario Lloret
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona (UB), Spain
| | - Joan Aureli Cadefau
- Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona (UB), Spain
- * E-mail:
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Nuell S, Illera-Domínguez VR, Carmona G, Alomar X, Padullés JM, Lloret M, Cadefau JA. Hypertrophic muscle changes and sprint performance enhancement during a sprint-based training macrocycle in national-level sprinters. Eur J Sport Sci 2019; 20:793-802. [PMID: 31526116 DOI: 10.1080/17461391.2019.1668063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Abstract This study aimed to analyse changes in sprint performance, muscle volumes (MVs) and sprint mechanical parameters (SMPs) in national-level sprinters performing a 5-month indoor sprint-based training macrocycle (SBTM). Twelve well-trained sprinters were tested on three different occasions throughout the SBTM. Testing procedures included: sprint performance over 10m, 40m, 80m, 150m, and 300m; MRI of thighs, to compute MVs of quadriceps, hamstrings and adductors; and a 40m sprint using a radar gun to assess SMPs such as theoretical maximal horizontal force, theoretical maximal horizontal velocity (V0), maximal power and index of force application (DRF). Improvements in sprint performance of between 4% and 7% (ES = 0.46-1.11, P < 0.01) were accompanied by increments in: quadriceps of 6% (ES = 0.41, P < 0.01), hamstrings of 10% (ES = 0.62, P < 0.01), adductors of 12% (ES = 0.87, P < 0.01), V0 of 5% (ES = 0.40, P < 0.01) and DRF of 7% (ES = 0.91, P < 0.01). In conclusion, during the SBTM after the off-season, moderate hypertrophic changes occur in sprinters. Moreover, the greater increase in hamstrings and adductors, compared with quadriceps, might be related to the prominent role of these muscle groups in sprinting. Furthermore, the SBTM was likely effective at developing sprint performance in sprinters, thereby endorsing the idea that sprint-specific training is crucial for highly trained individuals. Finally, our results support the notion that V0 or the "velocity-oriented" force-velocity profile is determinant of performance in sprinters.
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Affiliation(s)
- Sergi Nuell
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona (UB), Barcelona, Spain
| | - Víctor R Illera-Domínguez
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona (UB), Barcelona, Spain
| | - Gerard Carmona
- Sports Sciences Department, FC Barcelona, Barcelona, Spain.,Tecnocampus, Escola Superior de Ciències de la Salut, Universitat Pompeu Fabra, Mataró, Spain
| | | | - Josep Maria Padullés
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona (UB), Barcelona, Spain
| | - Mario Lloret
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona (UB), Barcelona, Spain
| | - Joan Aureli Cadefau
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona (UB), Barcelona, Spain.,Departament de Biomedicina, Universitat de Barcelona (UB), Barcelona, Spain
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Rothwell DT, Williams DJ, Furlong LAM. Measuring muscle size and symmetry in healthy adult males using a time-efficient analysis of magnetic resonance images. Physiol Meas 2019; 40:064005. [PMID: 31108485 DOI: 10.1088/1361-6579/ab2323] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Muscle volume (MV) analysis from magnetic resonance imaging (MRI) is time-intensive, and limited measurement reliability data are available. This study investigated a method to reduce lower limb MV analysis time demands, established reliability of these measurements, and applied the findings to quantify muscle size and symmetry in healthy adult males. APPROACH Bilateral MRI images were acquired from 15 healthy males (age: 26.5 ± 4.6 years, height: 1.81 ± 0.09 m, body mass: 80.4 ± 12.4 kg) for the entire lower limb. In two participants, the individual gluteals, quadriceps, hamstrings, and triceps surae were manually outlined every 5 mm and MV calculated using 5, 10, 15, 20, 25, and 30 mm distances between images to determine an appropriate distance for reducing analysis time. For all 15 participants, 35 muscles in each limb were manually outlined every 15 mm for use in MV calculations. Reliability of muscle cross-sectional area (CSA) measurement was determined within- and between-sessions and MV measurement reliability determined between-sessions. Between-limb symmetry was calculated using symmetry indices. MAIN RESULTS A 15 mm inter-slice distance was appropriate for measuring MV (mean difference compared to reference method: 0.7% ± 0.7%). Between-session measurement reliability was good for MV (Typical Error preferred kicking limb (TEP): 1.2%, non-preferred kicking limb (TENP): 0.8%) and CSA (TEP: 3.4% ± 2.9%, TENP: 3.2% ± 1.9%) although CSA Typical Error was larger with increased between-session time (TEP: 4.1% ± 3.1%, TENP: 4.7% ± 4.0%). Between-limb differences in MV were small (mean symmetry index: 0.4% ± 4.1%). Absolute differences in individual MV were larger (mean: 12.6% ± 2.6%), but representing muscles as functional anatomical groups showed smaller absolute between-limb differences (mean: 4.7% ± 1.8%). SIGNIFICANCE MV analysis time demand can be reduced by increasing the distance between analysed MRI slices, although participant height, muscle length and muscle shape require consideration. Small between-limb muscle size differences have been reported in adult males.
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Affiliation(s)
- Daniel T Rothwell
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, United Kingdom
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A preliminary investigation of mechanisms by which short-term resistance training increases strength of partially paralysed muscles in people with spinal cord injury. Spinal Cord 2019; 57:770-777. [PMID: 31092897 DOI: 10.1038/s41393-019-0284-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 04/16/2019] [Accepted: 04/23/2019] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN Pretest-posttest design. OBJECTIVES To investigate mechanisms by which short-term resistance training (6 weeks) increases strength of partially paralysed muscles in people with spinal cord injury (SCI). SETTING Community-based setting, Sydney, Australia. PARTICIPANTS Ten community-dwelling people with partial paralysis of elbow flexor, elbow extensor, knee flexor or knee extensor muscles following SCI (range 5 months to 14 years since injury). METHODS Muscle architecture and strength were assessed before and after participants underwent a six week strength-training program targeting one partially paralysed muscle group. The outcome of primary interest was physiological cross sectional area (PCSA) of the trained muscle group measured using magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI). Other outcomes were changes in mean muscle fascicle length, muscle volume, pennation angle, isometric strength and muscle strength graded on a 13-point scale. RESULTS The mean increase in maximal isometric muscle strength was 14% (95% CI, -3 to 30%) and 1.5 points (95% CI, 0.5 to 2.5) on the 13-point manual muscle test. There was no evidence of a change in muscle architecture. CONCLUSION This study is the first to examine the mechanisms by which voluntary strength training increases strength of partially paralysed muscles in people with SCI. The data suggest that strength gains produced by six weeks of strength training are not caused by changes in muscle architecture. This suggests short-term strength gains are due to increased neural drive or an increase in specific muscle tension.
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Increasing the deltoid muscle volume positively affects functional outcomes after arthroscopic rotator cuff repair. Knee Surg Sports Traumatol Arthrosc 2019; 27:259-266. [PMID: 30196437 DOI: 10.1007/s00167-018-5135-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 09/06/2018] [Indexed: 10/28/2022]
Abstract
PURPOSE The aim of this study was to determine the effect of changes in deltoid muscle volume (DMV) on the clinical outcomes of patients who underwent arthroscopic repair due to chronic rotator cuff rupture. METHODS A total of 54 patients (35 females, 19 males) between 40 and 70 years of age who underwent single-row arthroscopic repair due to chronic rotator cuff tears were compared via preoperative (preop) and postoperative (postop) (6-12 months) magnetic resonance imaging (MRI) to determine the total DMV (tDMV). A clinical evaluation was performed with American Shoulder and Elbow Surgeons (ASES) and Constant scores in both the preop and postop groups. tDMV values were also measured in a randomly selected control group (50 patients). A standardized rehabilitation program was recommended for all patients. RESULTS Positive correlations were found between the change in tDMV (ΔtDMV) and ASES and Constant scores (p < 0.03 and p < 0.032, respectively). The preop tDMV value was significantly lower in the patient group than in the control group (p < 0.02). Significantly lower ΔtDMV and body mass index (BMI)-adjusted tDMV values [Δ(tDMV/BMI)] were observed in patients who had rerupture at the postop MRI. CONCLUSIONS According to the present study, changes in DMV impact clinical outcomes after rotator cuff repair. Rehabilitation of the DMV or increasing the preop DMV values positively affects postop clinical outcomes. In addition, if the DMV is below the cutoff value during the preop period, there is insufficient improvement in clinical scores. The clinical relevance of this study is the finding that in patients with a chronic rotator cuff tear and a hypotrophic deltoid muscle, increasing the preop DMV could help achieve better functional outcomes. LEVEL OF EVIDENCE Prognostic, Level 3, case-control study.
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Pons C, Borotikar B, Garetier M, Burdin V, Ben Salem D, Lempereur M, Brochard S. Quantifying skeletal muscle volume and shape in humans using MRI: A systematic review of validity and reliability. PLoS One 2018; 13:e0207847. [PMID: 30496308 PMCID: PMC6264864 DOI: 10.1371/journal.pone.0207847] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 11/07/2018] [Indexed: 12/11/2022] Open
Abstract
AIMS The aim of this study was to report the metrological qualities of techniques currently used to quantify skeletal muscle volume and 3D shape in healthy and pathological muscles. METHODS A systematic review was conducted (Prospero CRD42018082708). PubMed, Web of Science, Cochrane and Scopus databases were searched using relevant keywords and inclusion/exclusion criteria. The quality of the articles was evaluated using a customized scale. RESULTS Thirty articles were included, 6 of which included pathological muscles. Most evaluated lower limb muscles. Partially or completely automatic and manual techniques were assessed in 10 and 24 articles, respectively. Manual slice-by-slice segmentation reliability was good-to-excellent (n = 8 articles) and validity against dissection was moderate to good(n = 1). Manual slice-by-slice segmentation was used as a gold-standard method in the other articles. Reduction of the number of manually segmented slices (n = 6) provided good to excellent validity if a sufficient number of appropriate slices was chosen. Segmentation on one slice (n = 11) increased volume errors. The Deformation of a Parametric Specific Object (DPSO) method (n = 5) decreased the number of manually-segmented slices required for any chosen level of error. Other automatic techniques combined with different statistical shape or atlas/images-based methods (n = 4) had good validity. Some particularities were highlighted for specific muscles. Except for manual slice by slice segmentation, reliability has rarely been reported. CONCLUSIONS The results of this systematic review help the choice of appropriate segmentation techniques, according to the purpose of the measurement. In healthy populations, techniques that greatly simplified the process of manual segmentation yielded greater errors in volume and shape estimations. Reduction of the number of manually segmented slices was possible with appropriately chosen segmented slices or with DPSO. Other automatic techniques showed promise, but data were insufficient for their validation. More data on the metrological quality of techniques used in the cases of muscle pathology are required.
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Affiliation(s)
- Christelle Pons
- Pediatric rehabilitation department, Fondation ILDYS, Brest, France
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
| | - Bhushan Borotikar
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
| | - Marc Garetier
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
- Radiology department, hôpital d'Instruction des Armées Clermont-Tonnerre, Brest, France
| | - Valérie Burdin
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
- IMT Atlantique, Brest, France
| | - Douraied Ben Salem
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
- Université de Bretagne Occidentale, Brest, France
- Radiology department, CHRU de Brest, Brest, France
| | - Mathieu Lempereur
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
- Université de Bretagne Occidentale, Brest, France
- PMR department, CHRU de Brest, Hopital Morvan, Brest, France
| | - Sylvain Brochard
- Pediatric rehabilitation department, Fondation ILDYS, Brest, France
- Laboratoire de Traitement de l’Information Médicale, INSERM, Brest, France
- Université de Bretagne Occidentale, Brest, France
- PMR department, CHRU de Brest, Hopital Morvan, Brest, France
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Illera-Domínguez V, Nuell S, Carmona G, Padullés JM, Padullés X, Lloret M, Cussó R, Alomar X, Cadefau JA. Early Functional and Morphological Muscle Adaptations During Short-Term Inertial-Squat Training. Front Physiol 2018; 9:1265. [PMID: 30246805 PMCID: PMC6139363 DOI: 10.3389/fphys.2018.01265] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/21/2018] [Indexed: 12/22/2022] Open
Abstract
Purpose: To assess early changes in muscle function and hypertrophy, measured as increases in muscle cross-sectional areas (CSAs) and total volume, over a 4 weeks inertial resistance training (RT) program. Methods: Ten young RT-naive volunteers (age 23.4 ± 4.1 years) underwent 10 training sessions (2–3 per week) consisting of five sets of 10 flywheel squats (moment of inertia 900 kg⋅cm2). Magnetic resonance imaging (MRI) scans of both thighs were performed before (PRE), and after 2 (IN) and 4 (POST) weeks of training to compute individual muscle volumes and regional CSAs. Scans were performed after ≥96 h of recovery after training sessions, to avoid any influence of acute muscle swelling. PRE and POST regional muscle activation was assessed using muscle functional MRI (mfMRI) scans. Concentric (CON) and eccentric (ECC) squat force and power, as well as maximal voluntary isometric contraction force (MVIC) of knee extensors and flexors, were measured in every training session. Results: Significant quadriceps hypertrophy was detected during (IN: 5.5% ± 1.9%) and after (POST: 8.6% ± 3.6%) the training program. Increases in squat force (CON: 32% ± 15%, ECC: 31 ± 15%) and power (CON: 51% ± 30%, ECC: 48% ± 27%) were observed over the training program. Knee extensor MVIC significantly increased 28% ± 17% after training, but no changes were seen in knee flexor MVIC. No correlation was found between regional muscular activation in the first session and the % of increase in regional CSAs (r = -0.043, P = 0.164). Conclusion: This study reports the earliest onset of whole-muscle hypertrophy documented to date. The process initiates early and continues in response to RT, contributing to initial increases in force. The results call into question the reliability of mfMRI as a tool for predicting the potential hypertrophic effects of a given strengthening exercise.
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Affiliation(s)
- Víctor Illera-Domínguez
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain
| | - Sergi Nuell
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain
| | - Gerard Carmona
- Tecnocampus, Escola Superior de Ciències de la Salut, Universitat Pompeu Fabra, Mataró, Spain
| | - Josep M Padullés
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain
| | - Xavier Padullés
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain
| | - Mario Lloret
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain
| | - Roser Cussó
- Departament de Biomedicina, Universitat de Barcelona, Barcelona, Spain
| | | | - Joan A Cadefau
- Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Barcelona, Barcelona, Spain.,Departament de Biomedicina, Universitat de Barcelona, Barcelona, Spain
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Muscle Atrophy Measurement as Assessment Method for Low Back Pain Patients. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1088:437-461. [PMID: 30390264 DOI: 10.1007/978-981-13-1435-3_20] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Low back pain is one of the most common pain disorders defined as pain, muscle tension, or stiffness localized below the costal margin and above the inferior gluteal folds, sometimes with accompanying leg pain. The meaning of the symptomatic atrophy of paraspinal muscles and some pelvic muscles has been proved. Nowadays, a need for new diagnostic tools for specific examination of low back pain patients is posited, and it has been proposed that magnetic resonance imaging assessment toward muscle atrophy may provide some additional information enabling the subclassification of that group of patients.
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Dubois G, Rouch P, Bonneau D, Gennisson JL, Skalli W. Muscle parameters estimation based on biplanar radiography. Comput Methods Biomech Biomed Engin 2016; 19:1592-8. [PMID: 27082150 DOI: 10.1080/10255842.2016.1171855] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The evaluation of muscle and joint forces in vivo is still a challenge. Musculo-Skeletal (musculo-skeletal) models are used to compute forces based on movement analysis. Most of them are built from a scaled-generic model based on cadaver measurements, which provides a low level of personalization, or from Magnetic Resonance Images, which provide a personalized model in lying position. This study proposed an original two steps method to access a subject-specific musculo-skeletal model in 30 min, which is based solely on biplanar X-Rays. First, the subject-specific 3D geometry of bones and skin envelopes were reconstructed from biplanar X-Rays radiography. Then, 2200 corresponding control points were identified between a reference model and the subject-specific X-Rays model. Finally, the shape of 21 lower limb muscles was estimated using a non-linear transformation between the control points in order to fit the muscle shape of the reference model to the X-Rays model. Twelfth musculo-skeletal models were reconstructed and compared to their reference. The muscle volume was not accurately estimated with a standard deviation (SD) ranging from 10 to 68%. However, this method provided an accurate estimation the muscle line of action with a SD of the length difference lower than 2% and a positioning error lower than 20 mm. The moment arm was also well estimated with SD lower than 15% for most muscle, which was significantly better than scaled-generic model for most muscle. This method open the way to a quick modeling method for gait analysis based on biplanar radiography.
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Affiliation(s)
- G Dubois
- a LBM/Institut de Biomecanique Humaine Georges Charpark , Arts et Metiers ParisTech , Paris , France
| | - P Rouch
- a LBM/Institut de Biomecanique Humaine Georges Charpark , Arts et Metiers ParisTech , Paris , France
| | - D Bonneau
- a LBM/Institut de Biomecanique Humaine Georges Charpark , Arts et Metiers ParisTech , Paris , France
| | - J L Gennisson
- b Institut Langevin, Laboratoire Ondes et Acoustique, CNRS UMR 7587, ESPCI ParisTech, INSERM ERL U979 , Universite Paris VII , Paris , France
| | - W Skalli
- a LBM/Institut de Biomecanique Humaine Georges Charpark , Arts et Metiers ParisTech , Paris , France
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Sergi G, Trevisan C, Veronese N, Lucato P, Manzato E. Imaging of sarcopenia. Eur J Radiol 2016; 85:1519-24. [PMID: 27117135 DOI: 10.1016/j.ejrad.2016.04.009] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 03/13/2016] [Accepted: 04/13/2016] [Indexed: 12/25/2022]
Abstract
Sarcopenia is currently considered a geriatric syndrome increasing in older people. The consequences of sarcopenia - in terms of impaired mobility, limited self-sufficiency and disability - have been amply demonstrated, increasing the need to develop methods to identify muscle mass loss as early as possible. Although sarcopenia involves a reduction in both muscle mass and function, loss of muscle mass remains the essential criterion for diagnosing this condition in daily practice. Computed tomography and magnetic resonance imaging represent the gold standard for studying body composition, and can identify quantitative and qualitative changes in muscle mass. These techniques are costly, time-consuming and complex, however, so their applicability is limited to the research field. Sonography, on the other hand, has the advantage of being a relatively quick and inexpensive method for detecting loss of muscle fibers and fat infiltration by analyzing muscle thickness and echo intensity. To the best of our knowledge, however, only few studies have compared the results of ultrasound with those obtained by other methods in order to establish its reliability in this setting. Dual X-ray absorptiometry thus remains the most often used technology for studying body composition, detecting quantitative changes in muscle mass with the advantages of a low radiation dose, a simple technology and a rapid assessment.
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Affiliation(s)
- Giuseppe Sergi
- Department of Medicine (DIMED), Geriatrics Division, University of Padova, Via Giustiniani 2, Padova, Italy.
| | - Caterina Trevisan
- Department of Medicine (DIMED), Geriatrics Division, University of Padova, Via Giustiniani 2, Padova, Italy
| | - Nicola Veronese
- Department of Medicine (DIMED), Geriatrics Division, University of Padova, Via Giustiniani 2, Padova, Italy
| | - Paola Lucato
- Department of Medicine (DIMED), Geriatrics Division, University of Padova, Via Giustiniani 2, Padova, Italy
| | - Enzo Manzato
- Department of Medicine (DIMED), Geriatrics Division, University of Padova, Via Giustiniani 2, Padova, Italy; National Research Council, Institute of Neuroscience, Aging Branch, Via Giustiniani 2, Padova, Italy
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Le Troter A, Fouré A, Guye M, Confort-Gouny S, Mattei JP, Gondin J, Salort-Campana E, Bendahan D. Volume measurements of individual muscles in human quadriceps femoris using atlas-based segmentation approaches. MAGNETIC RESONANCE MATERIALS IN PHYSICS BIOLOGY AND MEDICINE 2016; 29:245-57. [DOI: 10.1007/s10334-016-0535-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 02/11/2016] [Accepted: 02/12/2016] [Indexed: 10/22/2022]
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Sanchis-Moysi J, Dorado C, Idoate F, González-Henríquez JJ, Serrano-Sanchez JA, Calbet JAL. The asymmetry of pectoralis muscles is greater in male prepubertal than in professional tennis players. Eur J Sport Sci 2016; 16:780-6. [DOI: 10.1080/17461391.2015.1135986] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Damon BM, Li K, Bryant ND. Magnetic resonance imaging of skeletal muscle disease. HANDBOOK OF CLINICAL NEUROLOGY 2016; 136:827-42. [PMID: 27430444 DOI: 10.1016/b978-0-444-53486-6.00041-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Neuromuscular diseases often exhibit a temporally varying, spatially heterogeneous, and multifaceted pathology. The goals of this chapter are to describe and evaluate the use of quantitative magnetic resonance imaging (MRI) methods to characterize muscle pathology. The following criteria are used for this evaluation: objective measurement of continuously distributed variables; clear and well-understood relationship to the pathology of interest; sensitivity to improvement or worsening of clinical status; and the measurement properties of accuracy and precision. Two major classes of MRI methods meet all of these criteria: (1) MRI methods for measuring muscle contractile volume or cross-sectional area by combining structural MRI and quantitative fat-water MRI; and (2) an MRI method for characterizing the edema caused by inflammation, the measurement of the transverse relaxation time constant (T2). These methods are evaluated with respect to the four criteria listed above and examples from neuromuscular disorders are provided. Finally, these methods are summarized and synthesized and recommendations for additional quantitative MRI developments are made.
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Affiliation(s)
- Bruce M Damon
- Vanderbilt University Institute of Imaging Science and the Department of Radiology and Radiological Sciences, Vanderbilt University, Nashville, TN, USA; Departments of Biomedical Engineering and Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA.
| | - Ke Li
- Vanderbilt University Institute of Imaging Science and the Department of Radiology and Radiological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Nathan D Bryant
- Vanderbilt University Institute of Imaging Science and the Department of Radiology and Radiological Sciences, Vanderbilt University, Nashville, TN, USA
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Multi-atlas-based fully automatic segmentation of individual muscles in rat leg. MAGNETIC RESONANCE MATERIALS IN PHYSICS BIOLOGY AND MEDICINE 2015; 29:223-35. [PMID: 26646521 DOI: 10.1007/s10334-015-0511-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 09/24/2015] [Accepted: 10/15/2015] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To quantify individual muscle volume in rat leg MR images using a fully automatic multi-atlas-based segmentation method. MATERIALS AND METHODS We optimized a multi-atlas-based segmentation method to take into account the voxel anisotropy of numbers of MRI acquisition protocols. We mainly tested an image upsampling process along Z and a constraint on the nonlinear deformation in the XY plane. We also evaluated a weighted vote procedure and an original implementation of an artificial atlas addition. Using this approach, we measured gastrocnemius and plantaris muscle volumes and compared the results with manual segmentation. The method reliability for volume quantification was evaluated using the relative overlap index. RESULTS The most accurate segmentation was obtained using a nonlinear registration constrained in the XY plane by zeroing the Z component of the displacement and a weighted vote procedure for both muscles regardless of the number of atlases. The performance of the automatic segmentation and the corresponding volume quantification outperformed the interoperator variability using a minimum of three original atlases. CONCLUSION We demonstrated the reliability of a multi-atlas segmentation approach for the automatic segmentation and volume quantification of individual muscles in rat leg and found that constraining the registration in plane significantly improved the results.
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Fouré A, Duhamel G, Wegrzyk J, Boudinet H, Mattei JP, Le Troter A, Bendahan D, Gondin J. Heterogeneity of Muscle Damage Induced by Electrostimulation. Med Sci Sports Exerc 2015; 47:166-75. [DOI: 10.1249/mss.0000000000000397] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Cross-sectional area measurements versus volumetric assessment of the quadriceps femoris muscle in patients with anterior cruciate ligament reconstructions. Eur Radiol 2014; 25:290-8. [PMID: 25358592 DOI: 10.1007/s00330-014-3424-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 07/15/2014] [Accepted: 08/29/2014] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Our aim was to validate the use of cross-sectional area (CSA) measurements at multiple quadriceps muscle levels for estimating the total muscle volume (TMV), and to define the best correlating measurement level. METHODS Prospective institutional review board (IRB)-approved study with written informed patient consent. Thighs of thirty-four consecutive patients with ACL-reconstructions (men, 22; women, 12) were imaged at 1.5-T using three-dimensional (3D) spoiled dual gradient-echo sequences. CSA was measured at three levels: 15, 20, and 25 cm above the knee joint line. TMV was determined using dedicated volumetry software with semiautomatic segmentation. Pearson's correlation and regression analysis (including standard error of the estimate, SEE) was used to compare CSA and TMV. RESULTS The mean ± standard deviation (SD) for the CSA was 60.6 ± 12.8 cm(2) (range, 35.6-93.4 cm(2)), 71.1 ± 15.1 cm(2) (range, 42.5-108.9 cm(2)) and 74.2 ± 17.1 cm(2) (range, 40.9-115.9 cm(2)) for CSA-15, CSA-20 and CSA-25, respectively. The mean ± SD quadriceps' TMV was 1949 ± 533.7 cm(3) (range, 964.0-3283.0 cm(3)). Pearson correlation coefficient was r = 0.835 (p < 0.01), r = 0.906 (p < 0.01), and r = 0.956 (p < 0.01) for CSA-15, CSA-20 and CSA-25, respectively. Corresponding SEE, expressed as percentage of the TMV, were 15.2%, 11.6% and 8.1%, respectively. CONCLUSION The best correlation coefficient between quadriceps CSA and TMV was found for CSA-25, but its clinical application to estimate the TMV is limited by a relatively large SEE. KEY POINTS • Cross-sectional area was used to estimate QFM size in patients with ACL-reconstruction • A high correlation coefficient exists between quadriceps CSA and volume • Best correlation was seen 25 cm above the knee joint line • A relatively large standard error of the estimate limits CSA application.
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Mitchell CJ, Churchward-Venne TA, Cameron-Smith D, Phillips SM. What is the relationship between the acute muscle protein synthesis response and changes in muscle mass? J Appl Physiol (1985) 2014; 118:495-7. [PMID: 25257869 DOI: 10.1152/japplphysiol.00609.2014] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
| | - Tyler A Churchward-Venne
- Department of Human Movement Sciences, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands; and
| | | | - Stuart M Phillips
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
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Fouré A, Nosaka K, Wegrzyk J, Duhamel G, Le Troter A, Boudinet H, Mattei JP, Vilmen C, Jubeau M, Bendahan D, Gondin J. Time course of central and peripheral alterations after isometric neuromuscular electrical stimulation-induced muscle damage. PLoS One 2014; 9:e107298. [PMID: 25215511 PMCID: PMC4162582 DOI: 10.1371/journal.pone.0107298] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Accepted: 08/08/2014] [Indexed: 11/18/2022] Open
Abstract
Isometric contractions induced by neuromuscular electrostimulation (NMES) have been shown to result in a prolonged force decrease but the time course of the potential central and peripheral factors have never been investigated. This study examined the specific time course of central and peripheral factors after isometric NMES-induced muscle damage. Twenty-five young healthy men were subjected to an NMES exercise consisting of 40 contractions for both legs. Changes in maximal voluntary contraction force of the knee extensors (MVC), peak evoked force during double stimulations at 10 Hz (Db10) and 100 Hz (Db100), its ratio (10∶100), voluntary activation, muscle soreness and plasma creatine kinase activity were assessed before, immediately after and throughout four days after NMES session. Changes in knee extensors volume and T2 relaxation time were also assessed at two (D2) and four (D4) days post-exercise. MVC decreased by 29% immediately after NMES session and was still 19% lower than the baseline value at D4. The decrease in Db10 was higher than in Db100 immediately and one day post-exercise resulting in a decrease (−12%) in the 10∶100 ratio. On the contrary, voluntary activation significantly decreased at D2 (−5%) and was still depressed at D4 (−5%). Muscle soreness and plasma creatine kinase activity increased after NMES and peaked at D2 and D4, respectively. T2 was also increased at D2 (6%) and D4 (9%). Additionally, changes in MVC and peripheral factors (e.g., Db100) were correlated on the full recovery period, while a significant correlation was found between changes in MVC and VA only from D2 to D4. The decrease in MVC recorded immediately after the NMES session was mainly due to peripheral changes while both central and peripheral contributions were involved in the prolonged force reduction. Interestingly, the chronological events differ from what has been reported so far for voluntary exercise-induced muscle damage.
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Affiliation(s)
- Alexandre Fouré
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
- * E-mail:
| | - Kazunori Nosaka
- Edith Cowan University, School of Exercise and Health Sciences, WA 6027, Joondalup, Australia
| | - Jennifer Wegrzyk
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
| | - Guillaume Duhamel
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
| | - Arnaud Le Troter
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
| | - Hélène Boudinet
- APHM, La Timone Hospital, CEMEREM, Imaging Center, Marseille, France
| | - Jean-Pierre Mattei
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
- APHM, La Conception Hospital, Department of Rheumatology, Marseille, France
| | - Christophe Vilmen
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
| | - Marc Jubeau
- University of Nantes, Laboratory “Motricité, Interactions, Performance” (EA 4334), UFR STAPS, Nantes, France
| | - David Bendahan
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
| | - Julien Gondin
- Aix-Marseille University, CNRS, CRMBM UMR CNRS 7339, Marseille, France
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Barnouin Y, Butler-Browne G, Voit T, Reversat D, Azzabou N, Leroux G, Behin A, McPhee JS, Carlier PG, Hogrel JY. Manual segmentation of individual muscles of the quadriceps femoris using MRI: a reappraisal. J Magn Reson Imaging 2013; 40:239-47. [PMID: 24615897 DOI: 10.1002/jmri.24370] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Accepted: 07/14/2013] [Indexed: 11/11/2022] Open
Abstract
PURPOSE To propose a manual segmentation method for individual quadriceps femoris (QF) muscles and to test its reliability for muscle volume estimation. MATERIALS AND METHODS Images were acquired every 5 mm along the thigh using a 3T MRI scanner on 10 young (mean age: 25 years) and 10 older (mean age: 75 years) adults using a three-point 3D Dixon sequence. In each slice, anatomical cross-sectional areas of the individual quadriceps muscles of the dominant leg were outlined by two operators working independently. Differences between operators were assessed by means of Bland-Altman plots and intraclass correlation coefficients (ICC). This study was approved by the local Ethics Committee. RESULTS Precise delimitation of individual muscles along the femur often remains challenging, particularly near their insertion areas where some muscles may be partially or totally fused. There was, however, an excellent interoperator segmentation reliability despite a systematic significant difference between operators (ICC > 0.99), mainly due to delineation divergences. Considering all subjects and muscles, differences between operators were all lower than 4.4%. CONCLUSION This work has demonstrated the excellent reliability of manual segmentation to assess cross-sectional areas and therefore the volume of individual QF muscles using MRI. It may serve as a basis for a future segmentation consensus of the QF muscles.
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Affiliation(s)
- Yoann Barnouin
- Institut de Myologie, UPMC UM 76, INSERM U 974, CNRS UMR 7215, GH Pitié-Salpêtrière, Paris, France
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Pankaj P. Patient-specific modelling of bone and bone-implant systems: the challenges. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING 2013; 29:233-249. [PMID: 23281281 DOI: 10.1002/cnm.2536] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2012] [Revised: 11/09/2012] [Accepted: 11/12/2012] [Indexed: 06/01/2023]
Abstract
In the past three decades, finite element (FE) modelling has provided considerable understanding to the area of musculoskeletal biomechanics. However, most of this understanding has been generated using generic, standardised or idealised models. Patient-specific modelling (PSM) is almost never used for making clinical decisions. Imaging technologies have made it possible to create patient-specific geometries and FE meshes for modelling. While these have brought us closer to PSM, several challenges associated with the definition of material properties, loads, boundary conditions and interaction between components still need to be overcome. This study reviews the current status of PSM with respect to defining material behaviour and prescribing boundary conditions and interactions. With regard to the constitutive modelling of bone, it is seen that imaging is being increasingly used to define elastic properties (isotropic as well as anisotropic). However, the post-elastic and time-dependent behaviour, important for several modelling situations, is mostly obtained from in vitro experiments. Strain-based plasticity, not commonly available in FE codes, appears to have the potential of reducing an element of patient-specificity in modelling the yielding behaviour of bone. PSM of real boundary conditions that include muscles and ligaments continues to remain a challenge; many clinically relevant questions can be, however, answered without their inclusion. Simulation techniques to undertake PSM of interactions between bone and uncemented implants are available. Interference fit employed in both joint replacement fracture treatments induces considerable preload whose inclusion in models is important for the prediction of interface behaviour.
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Affiliation(s)
- Pankaj Pankaj
- School of Engineering, The University of Edinburgh, King's Buildings, Edinburgh EH9 3JL, UK.
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Scott JM, Martin DS, Ploutz-Snyder R, Caine T, Matz T, Arzeno NM, Buxton R, Ploutz-Snyder L. Reliability and validity of panoramic ultrasound for muscle quantification. ULTRASOUND IN MEDICINE & BIOLOGY 2012; 38:1656-61. [PMID: 22749820 DOI: 10.1016/j.ultrasmedbio.2012.04.018] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 04/23/2012] [Accepted: 04/25/2012] [Indexed: 05/16/2023]
Abstract
This study examined the reliability and validity of using customized templates to acquire panoramic ultrasound (US) images for determining cross-sectional area (CSA) and volume in the vastus lateralis (VL), rectus femoris (RF), medial gastrocnemius (MG) and lateral gastrocnemius (LG). Panoramic US and magnetic resonance imaging (MRI) images were analyzed by two trained investigators. The inter-experimenter reliability (coefficient of variation [CV]) of panoramic US ranged from 2.4% to 4.1% and the intraclass correlation (ICC) ranged from 0.963 to 0.991, whereas the inter-experimenter CV of MRI ranged from 2.8% to 3.8% and the ICC from 0.946 to 0.986. Bland-Altman plots demonstrated high agreement between US and MRI; however, values obtained from MRI were systematically larger than those obtained from US. The present results indicate that using a customized US template provides reliable measures of leg muscle CSA and, thus, could be used to characterize muscle CSA and volume.
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Hausselle J, Assi A, El Helou A, Jolivet E, Pillet H, Dion E, Bonneau D, Skalli W. Subject-specific musculoskeletal model of the lower limb in a lying and standing position. Comput Methods Biomech Biomed Engin 2012; 17:480-7. [DOI: 10.1080/10255842.2012.693173] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Flann KL, LaStayo PC, McClain DA, Hazel M, Lindstedt SL. Muscle damage and muscle remodeling: no pain, no gain? ACTA ACUST UNITED AC 2011; 214:674-9. [PMID: 21270317 DOI: 10.1242/jeb.050112] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Skeletal muscle is a dynamic tissue that responds adaptively to both the nature and intensity of muscle use. This phenotypic plasticity ensures that muscle structure is linked to patterns of muscle use throughout the lifetime of an animal. The cascade of events that result in muscle restructuring - for example, in response to resistance exercise training - is often thought to be initiated by muscle damage. We designed this study to test the hypothesis that symptomatic (i.e. detectable) damage is a necessary precursor for muscle remodeling. Subjects were divided into two experimental populations: pre-trained (PT) and naive (NA). Demonstrable muscle damage was avoided in the PT group by a three-week gradual 'ramp-up' protocol. By contrast, the NA group was subjected to an initial damaging bout of exercise. Both groups participated in an eight-week high-force eccentric-cycle ergometry program (20 min, three times per week) designed to equate the total work done during training between the groups. The NA group experienced signs of damage, absent in the PT group, as indicated by greater than five times higher levels of plasma creatine kinase (CK) and self-reporting of initial perceived soreness and exertion, yet muscle size and strength gains were not different for the two groups. RT-PCR analysis revealed similar increases in levels of the growth factor IGF-1Ea mRNA in both groups. Likewise, the significant (P<0.01) increases in mean cross-sectional area (and total muscle volume) were equal in both groups. Finally, strength increases were identical for both groups (PT=25% and NA=26% improvement). The results of this study suggest that muscle rebuilding - for example, hypertrophy - can be initiated independent of any discernible damage to the muscle.
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Affiliation(s)
- Kyle L Flann
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011-5640, USA
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