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https://www.readbyqxmd.com/read/28536754/movement-amplitude-on-the-functional-re-adaptive-exercise-device-deep-spinal-muscle-activity-and-movement-control
#1
A Winnard, D Debuse, M Wilkinson, L Samson, T Weber, Nick Caplan
PURPOSE: Lumbar multifidus (LM) and transversus abdominis (TrA) show altered motor control, and LM is atrophied, in people with low-back pain (LBP). The Functional Re-adaptive Exercise Device (FRED) involves cyclical lower-limb movement against minimal resistance in an upright posture. It has been shown to recruit LM and TrA automatically, and may have potential as an intervention for non-specific LBP. However, no studies have yet investigated the effects of changes in FRED movement amplitude on the activity of these muscles...
May 23, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28509432/feasibility-assessment-of-shear-wave-elastography-to-lumbar-back-muscles-a-radioanatomic-study
#2
Maud Creze, Krystel Nyangoh Timoh, Olivier Gagey, Laurence Rocher, Marie-France Bellin, Marc Soubeyrand
INTRODUCTION: Low back pain is often associated with tensional changes in the paraspinal muscles detected by palpatory procedures. Shear wave elastography (SWE), recently introduced, allows the stiffness of muscles to be assessed non-invasively. The aim of our work was to study the feasibility of using SWE on the three main lumbar back muscles (multifidus, longissimus and iliocostalis) in vivo after analyzing their muscular architecture ex vivo. MATERIALS AND METHODS: We determined the orientation of fibers in the multifidus, longissimus and iliocotalis muscles in seven fresh cadavers using gross anatomy and B-Mode ultrasound imaging...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28505951/reliability-of-mechanomyographic-amplitude-measurements-for-trunk-muscles-during-maximal-voluntary-isometric-contraction
#3
How-Hing Ng, Wen-Yen Lin, Kin-Fong Lei, Chih-Hsiu Cheng, Shiau-Chian Jeng, Yang-Hua Lin
BACKGROUND: Mechanomyography (MMG) has been used to investigate mechanical characteristics of muscle contraction in clinical and experimental settings. OBJECTIVE: The aim of this study was to determine the test-retest reliability of mechanomyographic amplitude (MMGRMS) measurements as a tool for measuring the maximal voluntary isometric contractions (MVICs) of trunk muscles in healthy participants. METHODS: There were ten young adults participating in this study...
May 5, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28502411/abdominal-bracing-during-lifting-alters-trunk-muscle-activity-and-body-kinematics
#4
Pieter Coenen, Amity Campbell, Kevin Kemp-Smith, Peter O'Sullivan, Leon Straker
We assessed whether participants are able to perform abdominal bracing during lifting, and described its effects on trunk muscle activity and body kinematics. Fourteen participants performed 10 lifts (symmetrical lifting of a 15 kg load from floor level), 5 with abdominal bracing and 5 without. Activity of the lumbar multifidus (LM) and internal oblique (IO) muscles, and trunk and lower body kinematics were obtained. During non-bracing lifting, IO activity did not increase beyond rested standing levels (with average muscle activity ranging between 8...
September 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28480978/lumbar-multifidus-muscle-degenerates-in-individuals-with-chronic-degenerative-lumbar-spine-pathology
#5
Bahar Shahidi, James C Hubbard, Michael C Gibbons, Severin Ruoss, Vinko Zlomislic, Richard Todd Allen, Steven R Garfin, Samuel R Ward
Histological and cell-level changes in the lumbar musculature in individuals with chronic lumbar spine degenerative conditions are not well characterized. Although prior literature supports evidence of changes in fiber type and size, little information exists describing the tissue quality and biology of pathological features of muscle in this population. The purpose of this study was to quantify multifidus tissue composition and structure, inflammation, vascularity, and degeneration in individuals with chronic degenerative lumbar spine pathology...
May 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28465030/twente-spine-model-a-complete-and-coherent-dataset-for-musculo-skeletal-modeling-of-the-thoracic-and-cervical-regions-of-the-human-spine
#6
Riza Bayoglu, Leo Geeraedts, Karlijn H J Groenen, Nico Verdonschot, Bart Koopman, Jasper Homminga
Musculo-skeletal modeling could play a key role in advancing our understanding of the healthy and pathological spine, but the credibility of such models are strictly dependent on the accuracy of the anatomical data incorporated. In this study, we present a complete and coherent musculo-skeletal dataset for the thoracic and cervical regions of the human spine, obtained through detailed dissection of an embalmed male cadaver. We divided the muscles into a number of muscle-tendon elements, digitized their attachments at the bones, and measured morphological muscle parameters...
April 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28463899/acute-metabolic-response-energy-expenditure-and-emg-activity-in-sitting-and-standing
#7
Ying Gao, Mika Silvennoinen, Arto Pesola, Heikki Kainulainen, Neil J Cronin, Taija Finni
PURPOSE: While merely standing up interrupts sedentary behavior, it is important to study acute metabolic responses during single bouts of sitting and standing to understand the physiological processes affecting the health of office workers. METHODS: 18 healthy middle aged women aged 49.4 ± 7.9 years (range: 40 to 64) with a BMI of 23.4 ± 2.8 kg·m volunteered for this laboratory-based randomized crossover trial where they performed two hours desk work either in sitting or standing postures after overnight fasting...
May 2, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28459281/self-managed-exercises-strength-and-fitness-training-and-multifidus-muscle-size-in-elite-footballers
#8
Julie A Hides, Jazmin Walsh, Melinda M Franettovich Smith, M Dilani Mendis
CONTEXT:   Low back pain (LBP) and lower limb injuries are common among Australian Football League (AFL) players. Smaller size of 1 key trunk muscle, the lumbar multifidus (MF), has been associated with LBP and injuries in footballers. The size of the MF muscle has been shown to be modifiable with supervised motor-control training programs. Among AFL players, supervised motor-control training has also been shown to reduce the incidence of lower limb injuries and was associated with increased player availability for games...
May 1, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28456669/lumbar-muscle-structure-and-function-in-chronic-versus-recurrent-low-back-pain-a-cross-sectional-study
#9
Dorien Goubert, Robby De Pauw, Mira Meeus, Tine Willems, Barbara Cagnie, Stijn Schouppe, Jessica Van Oosterwijck, Evy Dhondt, Lieven Danneels
BACKGROUND CONTEXT: Heterogeneity exists within the low back pain population. Some patients recover after every pain episode, whereas others suffer daily from LBP complaints. Until now, studies rarely make a distinction between recurrent low back pain (RLBP) and chronic low back pain (CLBP), although both are characterized by a different clinical picture. Clinical experiences also indicate that heterogeneity exists within the CLBP population. Muscle degeneration, like atrophy, fat infiltration, alterations in muscle fiber type and altered muscle activity, compromises proper biomechanics and motion of the spinal units in low back pain (LBP) patients...
April 26, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28427393/correlation-between-intervertebral-disc-degeneration-paraspinal-muscle-atrophy-and-lumbar-facet-joints-degeneration-in-patients-with-lumbar-disc-herniation
#10
Dong Sun, Peng Liu, Jie Cheng, Zikun Ma, Jingpei Liu, Tingzheng Qin
BACKGROUND: To assess the correlation between lumbar disc degeneration (LDD), multifidus muscle atrophy (LMA), and facet joints degeneration in patients with L4-L5 lumbar disc herniation (LDH). METHODS: Sixty patients with L4-L5 LDH diagnosed by a 1.5 T MRI scanner were enrolled in the study group and another 60 patients with non-specific back pain were enrolled in the control group. LDD, LMA, and facet joints degeneration were examined and analyzed independently by two independent orthopedic surgeons using T2-weighted images...
April 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28420353/the-influence-of-fatigue-and-chronic-low-back-pain-on-muscle-recruitment-patterns-following-an-unexpected-external-perturbation
#11
Júlia Jubany, Lieven Danneels, Rosa Angulo-Barroso
BACKGROUND: Chronic low back pain (CLBP) has been associated with altered trunk muscle responses as well as increased muscle fatigability. CLBP patients and fatigued healthy subjects could experience similar neuromuscular strategies to attempt to protect the spine. The current study examined muscle activation differences between healthy and CLBP subjects following a perturbation. In addition, the possible role of muscle fatigue was evaluated by investigating the healthy control subjects in a non-fatigued and a fatigued condition...
April 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28413118/cadaveric-and-ultrasonographic-validation-of-needling-placement-in-the-cervical-multifidus-muscle
#12
César Fernández-de-Las-Peñas, Juan A Mesa-Jiménez, Jose A Paredes-Mancilla, Shane L Koppenhaver, Samuel Fernández-Carnero
OBJECTIVE: The aim of this study was to determine if a needle is able to reach the cervical multifidus during the application of dry needling or acupuncture. METHODS: Dry needling and ultrasound imaging of cervical multifidi was conducted on 5 patients (age: 32 ± 5 years) with mechanical neck pain and on 2 fresh cadavers (age: 64 ± 1 years). Dry needling was done using a needle of 40 mm in length inserted perpendicular to the skin about 1 cm lateral to the spinous process at C3-C4...
April 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28413116/trunk-muscle-emg-during-intermediate-pilates-mat-exercises-in-beginner-healthy-and-chronic-low-back-pain-individuals
#13
Ivye L R Pereira, Bergson Queiroz, Jefferson Loss, César Amorim, Isabel C N Sacco
OBJECTIVE: The purpose of this study was to compare the electromyographic pattern of core muscles during intermediate Pilates mat exercises between healthy people and those with low back pain. METHODS: We evaluated healthy participants (n = 19; mean ± standard deviation [SD]: age 28 ± 8 years, body mass 65 ± 10 kg, height 160.0 ± 9.1 cm) and a low back pain group (n = 13; mean ± SD: age 30 ± 9 years, body mass 67 ± 12 kg, height 170.0 ± 6.6 cm). Electromyographic analysis assessed the multifidus, external oblique, internal oblique, and rectus abdominis muscles during classical Pilates exercises (single leg stretch, criss-cross, and dead bug)...
April 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28409152/the-association-between-imaging-parameters-of-the-paraspinal-muscles-spinal-degeneration-and-low-back-pain
#14
REVIEW
Leonid Kalichman, Eli Carmeli, Ella Been
This narrative review investigated imaging parameters of the paraspinal muscles and their association with spinal degenerative features and low back pain (LBP) found in the literature. Three principal signs of muscle degeneration were detected on imaging: decreased muscle size, decreased radiographic density, and increased fat deposits. Men have a higher density of paraspinal muscles than women, younger individuals have a higher density than older ones, and lean individuals have a higher density than those with an increased body mass index...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28376754/fat-in-the-lumbar-multifidus-muscles-predictive-value-and-change-following-disc-prosthesis-surgery-and-multidisciplinary-rehabilitation-in-patients-with-chronic-low-back-pain-and-degenerative-disc-2-year-follow-up-of-a-randomized-trial
#15
Kjersti Storheim, Linda Berg, Christian Hellum, Øivind Gjertsen, Gesche Neckelmann, Ansgar Espeland, Anne Keller
BACKGROUND: Evidence is lacking on whether fat infiltration in the multifidus muscles affects outcomes after total disc replacement (TDR) surgery and if it develops after surgery. The aims of this study were 1) to investigate whether pre-treatment multifidus muscle fat infiltration predicts outcome 2 years after treatment with TDR surgery or multidisciplinary rehabilitation, and 2) to compare changes in multifidus muscle fat infiltration from pre-treatment to 2-year follow-up between the two treatment groups...
April 4, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28372312/the-recovery-of-damaged-paraspinal-muscles-by-posterior-surgical-treatment-for-patients-with-lumbar-degenerative-diseases-and-its-clinical-consequence
#16
Jae-Ryong Cha, Yong-Chan Kim, Wan-Keun Yoon, Won-Gyu Lee, Tae-Hwan Kim, Jae-Keun Oh, Seok-Woo Kim, Suk Hoon Ohn, Ji Hao Cui
BACKGROUND: Posterior lumbar surgery can lead to damage on paraspinal muscles. OBJECTIVE: Our study aimed to examine the recovery in the denervated paraspinal muscles by posterior lumbar surgery and to determine that of improvement in the lower back pain (LBP). METHODS: Depending on surgical treatments, the patients were divided into two groups: The group I (interspinous implantation with decompression) and II (posterior lumbar interbody fusion with decompression)...
March 24, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28361652/electrical-activity-of-powerhouse-muscles-during-the-teaser-exercise-of-pilates-using-different-types-of-apparatus
#17
Débora da Rocha Werba, Débora Cantergi, Leandro Tolfo Franzoni, Alex de Oliveira Fagundes, Jefferson Fagundes Loss, Aline Nogueira Haas
We compared the electrical activity of certain powerhouse muscles-External Oblique, Multifidus, Adductor Longus, and Gluteus Medius-during the teaser exercise of the Pilates Method, performed on various types of apparatus-the Mat, Reformer, and Wall Unit. Fifteen female practitioners of the Classic Pilates Method (32.6 ± 7.7 years old; 21.9 ± 1.9 body mass index) performed the teaser in each situation while electromyographic (EMG) and kinematic data were collected. Root mean square values of the flexion phase were compared...
April 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28356650/the-effects-of-pelvic-diagonal-movements-and-resistance-on-the-lumbar-multifidus
#18
Ji-Yeon Lee, Dong-Yeop Lee, Ji-Heon Hong, Jae-Ho Yu, Jin Seop Kim
[Purpose] The purpose of this study was to compare the effects of pelvic diagonal movements, made with and without resistance, on the thickness of lumbar multifidus muscles. [Subjects and Methods] Participants in this study were healthy subjects who had no musculoskeletal disorders or lumbar-related pain. Participants were positioned on their side and instructed to lie with their hip flexor at 40 degrees. Ultrasonography was used for measurement, and the values of two calculations were averaged. [Results] The thickness of ipsilateral lumbar multifidus muscles showed a significant difference following the exercise of pelvic diagonal movements...
March 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28344736/recovery-of-hip-and-back-muscle-fatigue-following-a-back-extension-endurance-test
#19
Sharon Wang-Price, Mohammad Almadan, Carissa Stoddard, Dustin Moore
Literature has not shown the minimum time required to recover from muscle fatigue after a prolonged trunk isometric contraction. The purpose of this study was to determine if the lumbar multifidus (LM) and gluteus maximus (GM) muscles would recover from fatigue after three different rest periods following performance of a back extension endurance test. Endurance time and electromyographic (EMG) activity of bilateral LM and GM muscles were collected from 12 healthy adults during a modified Biering-Sørensen test...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28323694/assessment-of-paraspinal-muscle-cross-sectional-area-after-lumbar-decompression-minimally-invasive-versus-open-approaches
#20
Lacey E Bresnahan, Justin S Smith, Alfred T Ogden, Steven Quinn, George R Cybulski, Narina Simonian, Raghu N Natarajan, Richard D Fessler, Richard G Fessler
STUDY DESIGN: A retrospective, blinded analysis of imaging studies. SUMMARY OF BACKGROUND DATA: To evaluate changes in paraspinal muscle cross-sectional area (CSA) after surgical treatment for lumbar stenosis and to compare these changes between minimally invasive and standard open approaches. The open approach to lumbar stenosis is effective, but it involves retraction and resection of muscle from the spinous process, which can result in ischemia and denervation of paraspinal musculature and may lead to muscle atrophy and pain...
April 2017: Clinical Spine Surgery
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