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Myofascial biomechanics

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https://www.readbyqxmd.com/read/30018567/bed-rest-exercise-countermeasure-and-reconditioning-effects-on-the-human-resting-muscle-tone-system
#1
Britt Schoenrock, Vanja Zander, Sebastian Dern, Ulrich Limper, Edwin Mulder, Alar Veraksitš, Ragnar Viir, Andreas Kramer, Maria J Stokes, Michele Salanova, Aleko Peipsi, Dieter Blottner
The human resting muscle tone (HRMT) system provides structural and functional support to skeletal muscle and associated myofascial structures (tendons, fascia) in normal life. Little information is available on changes to the HRMT in bed rest. A set of dynamic oscillation mechanosignals ([Hz], [N/m], log decrement, [ms]) collected and computed by a hand-held digital palpation device (MyotonPRO) were used to study changes in tone and in key biomechanical and viscoelastic properties in global and postural skeletal muscle tendons and fascia from a non-exercise control (CTR) and an exercise (JUMP) group performing reactive jumps on a customized sledge system during a 60 days head-down tilt bed rest (RSL Study 2015-2016)...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29936315/biomechanical-properties-of-low-back-myofascial-tissue-in-younger-adult-ankylosing-spondylitis-patients-and-matched-healthy-control-subjects
#2
Allison White, Hannah Abbott, Alfonse T Masi, Jacqueline Henderson, Kalyani Nair
BACKGROUND: Ankylosing spondylitis is a degenerative and inflammatory rheumatologic disorder that primarily affects the spine. Delayed diagnosis leads to debilitating spinal damage. This study examines biomechanical properties of non-contracting (resting) human lower lumbar myofascia in ankylosing spondylitis patients and matched healthy control subjects. METHODS: Biomechanical properties of stiffness, frequency, decrement, stress relaxation time, and creep were quantified from 24 ankylosing spondylitis patients (19 male, 5 female) and 24 age- and sex-matched control subjects in prone position on both sides initially and after 10 min rest...
August 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29582181/self-myofascial-vibro-shearing-a-randomized-controlled-trial-of-biomechanical-and-related-changes-in-male-breakdancers
#3
Christopher-Marc Gordon, Sophie Manuela Lindner, Niels Birbaumer, Pedro Montoya, Rachel L Ankney, Frank Andrasik
BACKGROUND: This randomized controlled trial explored the practicality and effectiveness of a novel tool-assisted self-help device, one that combines vibrational oscillation, leverage, and the shearing effect from the edges, for promoting meaningful changes in key biochemical tissue indices and related parameters. METHODS: One hundred and thirteen male breakdancers were randomized to an intervention or control group. Individuals assigned to the intervention group performed the self-help treatment on the quadriceps and the iliotibial band of their right thighs for 8 min, while individuals assigned to the control condition merely sat quietly during this period...
March 27, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29122963/not-merely-a-protective-packing-organ-a-review-of-fascia-and-its-force-transmission-capacity
#4
Jan Wilke, Robert Schleip, Can A Yucesoy, Winfried Banzer
Recent research indicates that fascia is capable of changing its biomechanical properties. Moreover, as it links the skeletal muscles, forming a body-wide network of multidirectional myofascial continuity, the classical conception of muscles as independent actuators has been challenged. Hence, the present synthesis review aims to characterize the mechanical relevance of the connective tissue for the locomotor system. Results of cadaveric and animal studies suggest a clinically relevant myofascial force transmission to neighboring structures within one limb (e...
January 1, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28616759/is-dual-semitendinosus-allograft-stronger-than-turndown-for-achilles-tendon-reconstruction-an-in-vitro-analysis
#5
COMPARATIVE STUDY
Michael C Aynardi, Lara C Atwater, Roshan Melvani, Brent G Parks, Adrian G Paez, Stuart D Miller
BACKGROUND: Large Achilles tendon defects pose a treatment challenge. The standard treatment with a turndown flap requires a large extensile incision, puts the sural nerve at risk, and demands slow, careful rehabilitation. Dual allograft semitendinosus reconstruction is a new clinical alternative that has the theoretical advantages of a smaller incision, less dissection, and a stronger construct that may allow for faster rehabilitation. QUESTIONS/PURPOSES: In a cadaver biomechanical model, we compared the dual allograft semitendinosus reconstruction with the myofascial turndown in terms of (1) mechanical strength and resistance to deformation and (2) failure mechanisms in reconstruction of large segmental Achilles defects...
October 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28167175/effect-of-melt-method-on-thoracolumbar-connective-tissue-the-full-study
#6
Faria Sanjana, Hans Chaudhry, Thomas Findley
Altered connective tissue structure has been identified in adults with chronic low back pain (LBP). A self-care treatment for managing LBP is the MELT method. The MELT method is a hands-off, self-treatment that is said to alleviate chronic pain, release tension and restore mobility, utilizing specialized soft treatments balls, soft body roller and techniques mimicking manual therapy. The objective of this study was to determine whether thickness of thoracolumbar connective tissue and biomechanical and viscoelastic properties of myofascial tissue in the low back region change in subjects with chronic LBP as a result of MELT...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28039769/a-review-of-methods-to-assess-coactivation-in-the-spine
#7
REVIEW
Peter Le, Thomas M Best, Safdar N Khan, Ehud Mendel, William S Marras
Coactivation is an important component for understanding the physiological cost of muscular and spinal loads and their associations with spinal pathology and potentially myofascial pain. However, due to the complex and dynamic nature of most activities of daily living, it can be difficult to capture a quantifiable measure of coactivation. Many methods exist to assess coactivation, but most are limited to two-muscle systems, isometric/complex analyses, or dynamic/uniplanar analyses. Hence, a void exists in that coactivation has not been documented or assessed as a multiple-muscle system under realistic complex dynamic loading...
February 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/27579803/the-short-term-effects-of-trigger-point-therapy-stretching-and-medicine-ball-exercises-on-accuracy-and-back-swing-hip-turn-in-elite-male-golfers-a-randomised-controlled-trial
#8
RANDOMIZED CONTROLLED TRIAL
Samantha-Lynn Quinn, Benita Olivier, Wendy-Ann Wood
OBJECTIVES: This study aimed to compare the effect of myofascial trigger point therapy (MTPT) and stretching, MTPT and medicine ball exercises, and no intervention, on hip flexor length (HFL), golf swing biomechanics and performance in elite, male golfers. DESIGN: Single blind, randomised controlled trial with two experimental groups (stretch group: MTPT and stretching; and the ball group: MTPT, a single stretch and medicine ball exercises) and one control group (no intervention)...
November 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27525185/chronic-ucl-injury-a-multimodal-approach-to-correcting-altered-mechanics-and-improving-healing-in-a-college-athlete-a-case-report
#9
Rachel Patrick, Josh McGinty, Ann Lucado, Beth Collier
BACKGROUND: Ulnar collateral ligament (UCL) tears and associated Tommy Johns surgical intervention from excessive and poor quality pitching has increased immensely-with more college and professional pitchers undergoing the surgery in 2014 alone than in the 1990s as a whole.(1) Faulty mechanics developed at young ages are often well-engrained by the late adolescent years and the minimal healing ability of the largely avascular UCL often leads to delayed safe return to sport.(2). PURPOSE: The purpose of this case study was to describe an innovative, multimodal approach to conservative management of a chronic UCL injury in a college-aged baseball pitcher...
August 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27429562/a-systematic-review-of-dextrose-prolotherapy-for-chronic-musculoskeletal-pain
#10
REVIEW
Ross A Hauser, Johanna B Lackner, Danielle Steilen-Matias, David K Harris
OBJECTIVE: The aim of this study was to systematically review dextrose (d-glucose) prolotherapy efficacy in the treatment of chronic musculoskeletal pain. DATA SOURCES: Electronic databases PubMed, Healthline, OmniMedicalSearch, Medscape, and EMBASE were searched from 1990 to January 2016. STUDY SELECTION: Prospectively designed studies that used dextrose as the sole active prolotherapy constituent were selected. DATA EXTRACTION: Two independent reviewers rated studies for quality of evidence using the Physiotherapy Evidence Database assessment scale for randomized controlled trials (RCTs) and the Downs and Black evaluation tool for non-RCTs, for level of evidence using a modified Sackett scale, and for clinically relevant pain score difference using minimal clinically important change criteria...
2016: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27242940/acute-achilles-paratendinopathy-following-major-injury-of-the-crural-fascia-in-a-professional-soccer-player-a-possible-correlation
#11
Gabriele Mattiussi, Michele Turloni, Pietro Tobia Baldassi, Carlos Moreno
Background. The anatomy and mechanical properties of the Crural Fascia (CF), the ubiquitous connective tissue of the posterior region of the leg, have recently been investigated. The most important findings are that (i) the CF may suffer structural damage from indirect trauma, (ii) structural changes of the CF may affect the biomechanics of tissues connected to it, causing myofascial pain syndromes, and (iii) the CF is in anatomical continuity with the Achilles paratenon. Consistent with these points, the authors hypothesize that the onset of acute Achilles paratendinopathy may be related to histological and biomechanical changes of the CF...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27162288/-nonspecific-symptoms-of-pain-syndromes-of-cervicobrachial-localization-and-their-dynamics-under-the-influence-of-non-pharmacological-treatment
#12
Олександр Анатолійович Ярошевський
INTRODUCTION: The relevance of this study is caused by the wide spread of musculoskeletal pain, particularly among young people of working age and lack of effectiveness of drug treatment. THE AIM: To study the capability of non-pharmacological treatment in patients with myofascial pain syndrome of cervicobrachial localization considering the influence to nonspecific symptoms of myofascial pain syndrome (autonomic dysfunctions and emotional disorders). MATERIAL AND METHODS: We studied 115 patients aged from 18 to 44 years with myofascial pain syndrome of cervicobrachial localization...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27011605/component-separation-technique-an-effective-way-of-treating-large-ventral-hernia
#13
Ramesh Punjani, Imran Shaikh, Vinne Soni
Repair of large ventral hernia is a challenge for even experienced surgeons, as there are large defects with large contents, often with loss of domain. The large defects were bridged by various plastic surgical procedures like myofascial flaps or free flaps with high recurrences and complications. More often, the bridging was done with artificial prosthesis, leaving the defects open. This was accomplished by either open surgery (onlay, inlay, sublay or underlay) or laparoscopic intraperitoneal onlay meshes (IPOMs)...
December 2015: Indian Journal of Surgery
https://www.readbyqxmd.com/read/26841529/-myofascial-meridional-reflexotherapy-of-scapulohumeral-periarthrosis-in-the-course-of-the-combined-spa-and-health-resort-based-treatment
#14
B V Oleinikov, A N Knyazhishche, D B Oleinikov
The authors draw attention to the role of a whiplash injury in the pathogenesis of scapulohumeral periarthrosis (SHP). Peculiarities of the specific pathological biomechanical changes associated with this condition are described. The study included a group of 64 patients in whom the localization of the myofascial trigger points (MFTT) of the shortened muscles is described with reference to the differential techniques for soft-tissue manual therapy. Spatial emphasis is laid on the diagnostic dynamic ischemic compression of trigger points (TT) for their inactivation using the method proposed by J...
November 2015: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/26635206/unexpected-fascicle-length-changes-in-denervated-feline-soleus-muscle-during-stance-phase-of-walking
#15
Ricky Mehta, Huub Maas, Robert J Gregor, Boris I Prilutsky
After surgical repair of traumatically severed peripheral nerves, associated muscles are paralyzed for weeks. Little is known about fascicle length changes in paralyzed muscles during locomotion. The aim of this study was to investigate to what extent, if any, muscle fascicles of denervated feline soleus (SO) change length during stance of walking when intact SO synergists are actively contracting. Hindlimb kinematics, SO fascicle and muscle-tendon unit (MTU) length, and EMG activity of SO, lateral gastrocnemius (LG) and medial gastrocnemius (MG) were measured during level and slope walking in adult cats...
December 4, 2015: Scientific Reports
https://www.readbyqxmd.com/read/26592233/effects-of-self-myofascial-release-a-systematic-review
#16
REVIEW
Chris Beardsley, Jakob Škarabot
BACKGROUND: Self-myofascial release (SMFR) is a type of myofascial release performed by the individual themselves rather than by a clinician, typically using a tool. OBJECTIVES: To review the literature regarding studies exploring acute and chronic clinical effects of SMFR. METHODS: PubMed and Google Scholar databases were searched during February 2015 for studies containing words related to the topic of SMFR. RESULTS: Acutely, SMFR seems to increase flexibility and reduce muscle soreness but does not impede athletic performance...
October 2015: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/26522465/anatomical-study-of-the-morphological-continuity-between-iliotibial-tract-and-the-fibularis-longus-fascia
#17
Jan Wilke, Tobias Engeroff, Frank Nürnberger, Lutz Vogt, Winfried Banzer
PURPOSE: Recent research indicates that the skeletal muscles of the human body do not function as independent actuators. Instead, they seem to be linked by connective tissue forming myofascial chains. While the existence of such meridians has been demonstrated for the ventral and the dorsal side of the body, no data are available for morphological fusion of lateral muscles. This study aimed to provide evidence for the inferior part of the lateral myofascial chain. METHODS: Fourteen legs (7 embalmed cadavers, four ♂, 86 ± 7 years) were dissected to reveal a potential myofascial continuity between the fibularis longus muscle, more detailed, its fascia, and the iliotibial tract (ITT)...
April 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/26467242/in-vivo-relationship-between-pelvis-motion-and-deep-fascia-displacement-of-the-medial-gastrocnemius-anatomical-and-functional-implications
#18
Carlos Cruz-Montecinos, Alberto González Blanche, David López Sánchez, Mauricio Cerda, Rodolfo Sanzana-Cuche, Antonio Cuesta-Vargas
Different authors have modelled myofascial tissue connectivity over a distance using cadaveric models, but in vivo models are scarce. The aim of this study was to evaluate the relationship between pelvic motion and deep fascia displacement in the medial gastrocnemius (MG). Deep fascia displacement of the MG was evaluated through automatic tracking with an ultrasound. Angular variation of the pelvis was determined by 2D kinematic analysis. The average maximum fascia displacement and pelvic motion were 1.501 ± 0...
November 2015: Journal of Anatomy
https://www.readbyqxmd.com/read/26254947/greater-resting-lumbar-extensor-myofascial-stiffness-in-younger-ankylosing-spondylitis-patients-than-age-comparable-healthy-volunteers-quantified-by-myotonometry
#19
Brian J Andonian, Alfonse T Masi, Jean C Aldag, Alexander J Barry, Brandon A Coates, Katherine Emrich, Jacqueline Henderson, Joseph Kelly, Kalyani Nair
OBJECTIVE: To quantify resting lumbar erector myofascial stiffness in younger patients with ankylosing spondylitis (AS) and age-comparable healthy control subjects using a handheld mechanical impulse-based myotonometric device. DESIGN: A case-control study of 24 patients with AS and 24 age-comparable healthy control subjects. SETTING: University physical therapy department. PARTICIPANTS: Patients with AS (men: n=19; women: n=5; total: N=24) and healthy volunteers (men: n=19; women: n=5; total: N=24) without low back pain (age range, 18-46y)...
November 2015: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/26206361/no-functionally-relevant-mechanical-effects-of-epimuscular-myofascial-connections-between-rat-ankle-plantar-flexors
#20
Chris Tijs, Jaap H van Dieën, Huub Maas
Triceps surae muscles are mechanically connected by the shared Achilles tendon and by epimuscular myofascial connections. We aimed to assess the effects of proximal lengthening of gastrocnemius and plantaris muscles, imposed by changes in knee angle, on the magnitude and direction of the 3D ankle moment exerted by the soleus muscle and the mechanical interaction between ankle plantar flexor muscles during co-activation of gastrocnemius muscle, in the rat (N=9). Ankle angle was kept constant (90 deg), whereas knee angle was varied between 60 deg and 130 deg...
September 2015: Journal of Experimental Biology
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