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https://www.readbyqxmd.com/read/29775800/insertion-and-presence-of-fine-wire-intramuscular-electrodes-to-the-lumbar-paraspinal-muscles-do-not-affect-muscle-performance-and-activation-during-high-exertion-spinal-extension-activities
#1
Szu-Ping Lee, Jo Armour Smith, Matthew Kimber, Kelsey Houk
BACKGROUND: Low back pain (LBP) is commonly associated with paraspinal muscle dysfunctions. A method to study deep lumbar paraspinal (i.e. multifidus) muscle function and neuromuscular activation pattern is intramuscular electromyography (EMG). Previous studies have shown that the procedure does not significantly impact muscle function during activities involving low-level muscle contractions. However, it is currently unknown how muscular function and activation are affected during high-exertion contractions...
May 15, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29772368/volumetric-muscle-measurements-indicate-significant-muscle-degeneration-in-single-level-disc-herniation-patients
#2
Kaan Yaltırık, Burhan Oral Güdü, Yüksel Işık, Çiğdem Altunok, Ufuk Tipi, Başar Atalay
INTRODUCTION: There is a strong relationship between lower back pain and paraspinal muscle atrophy. In this study, we aimed to investigate the prevalence of lumbar paravertebral muscle atrophy in patients with and without single level disc herniation. MATERIALS AND METHODS: The 110 retrospectively analyzed patients in this study were divided into two groups. Group A included 55 patients with radiologically confirmed single level disc herniation with back pain and radiculopathy...
May 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29759081/comparative-study-of-the-paraspinal-muscles-after-ovf-between-the-insufficient-union-and-sufficient-union-using-mri
#3
Marina Katsu, Tetsuro Ohba, Shigeto Ebata, Hirotaka Haro
BACKGROUND: Identification of poor prognostic factors for OVF is important but has not yet been clearly established. Despite paraspinal muscles could play an important role in the etiology of OVF, what influence time-dependent changes in paraspinal muscles have after OVF, and the impact on conservative treatments for patients who have an OVF remain largely unknown. The purposes of this study were to (1) evaluate time-dependent changes of the paraspinal musculature using MRI after injury in patients with osteoporotic vertebral fractures (OVFs), and (2) compare paraspinal muscles between conservatively treated patients with OVF who have successful union and those failed to conservative treatment...
May 14, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29751850/comparison-between-transcutaneous-electrical-nerve-stimulation-and-stabilization-exercises-in-fatigue-and-transversus-abdominis-activation-in-patients-with-lumbar-disk-herniation-a-randomized-study
#4
Luiz Armando Vidal Ramos, Bianca Callegari, Fábio Jorge Renovato França, Maurício Oliveira Magalhães, Thomaz Nogueira Burke, Ana Paula de Moura Campos Carvalho E Silva, Gabriel Peixoto Leão Almeida, Josielli Comachio, Amélia Pasqual Marques
OBJECTIVE: The purpose of this study was to compare transcutaneous electrical nerve stimulation (TENS) and stabilization exercises in an attempt to prevent fatigue and improve muscle activation in patients with lumbar disk herniation associated with low back pain. METHODS: This study involved 29 patients (age range 25-58 years) randomized into 2 groups: the segmental stabilization group (n = 15), who received stabilization exercises on the transversus abdominis (TrA) and lumbar multifidus muscles; and the TENS group (n = 14), who received electrotherapy...
May 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29735964/effect-of-thunder-fire-moxibustion-on-pain-quality-of-life-and-tension-of-multifidus-in-patients-with-primary-osteoporosis-a-randomized-controlled-trial
#5
Dao-Ming Xu, Huaning Xu, Jing Liu, Tong Wang, Wenzhong Wu, Lanying Liu, Qianmo Tian, Hanjun Li, Lili Zhang, Yana Cao
BACKGROUND Primary osteoporosis is a common disease among postmenopausal women and the elderly; low back pain is the most typical clinical manifestation an is the primary reason for a clinic visit, and directly affects patients' quality of life. Anti-osteoporosis medications have undesirable side effects, and many kinds of special traditional Chinese moxibustion methods have been widely used in the clinical treatment of osteoporosis low back pain. The purpose of this study was to observe whether thunder-fire moxibustion therapy, compared to calcium supplements alone, can ease osteoporosis low back pain, improve quality of life, and reduce tension of the multifidus...
May 8, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29734942/methodological-considerations-in-region-of-interest-definitions-for-paraspinal-muscles-in-axial-mris-of-the-lumbar-spine
#6
David B Berry, Jennifer Padwal, Seth Johnson, Callan L Parra, Samuel R Ward, Bahar Shahidi
BACKGROUND: Magnetic Resonance Imaging (MRI) is commonly used to assess the health of the lumbar spine and supporting structures. Studies have suggested that fatty infiltration of the posterior lumbar muscles is important in predicting responses to treatment for low back pain. However, methodological differences exist in defining the region of interest (ROI) of a muscle, which limits the ability to compare data between studies. The purpose of this study was to determine reliability and systematic differences within and between two commonly utilized methodologies for ROI definitions of lumbar paraspinal muscle...
May 7, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29731814/morphology-of-the-lumbar-multifidus-muscle-in-lumbar-disc-herniation-at-different-durations-and-at-different-ages
#7
Zhi-Neng Chen, Xin-Miao Yao, Yi Lv, Bang-Jiang He, Jun-Cai Ye, Rong-Xue Shao, Huang-Wei Jiang
The aim of the present study was to evaluate the relative functional volume of bilateral lumbar multifidus (LM) muscles across different stages and ages of patients with lumbar disc herniation (LDH). The relative functional volumes of LM muscles in both non-affected and affected sides in the L4-L5 and L5-S1 segmental level were measured in a resting prone position, and visual analogue score (VAS) for pain and Japanese Orthopedic Association (JOA) scores were recorded. The correlation between changes in the relative net volume of LM muscles and times of onset, ages, VAS and JOA scores were analyzed...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29713406/assessment-of-paraspinal-muscle-atrophy-percentage-after-minimally-invasive-transforaminal-lumbar-interbody-fusion-and-unilateral-instrumentation-using-a-novel-contralateral-intact-muscle-controlled-model
#8
Luis Alberto Ortega-Porcayo, Andres Leal-López, Miroslava Elizabeth Soriano-López, Carlos Francisco Gutiérrez-Partida, Luis Rodolfo Ramírez-Barrios, Sergio Soriano-Solis, Manuel Rodríguez-García, Hector Antonio Soriano-Solis, José Antonio Soriano-Sánchez
Study Design: Retrospective comparative clinical study. Purpose: This study aimed to assess paraspinal muscle atrophy in patients who underwent minimally invasive transforaminal lumbar interbody fusion (MI-TLIF) and unilateral pedicle screw fixation using a novel contralateral intact muscle-controlled model. Overview of Literature: The increased incidence of paravertebral lumbar muscle injuries after open techniques has raised the importance of implementing minimally invasive spine surgical techniques using tubular retractors and minimally invasive screw placement...
April 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/29708263/parameters-and-functional-analysis-of-the-deep-epaxial-muscles-in-the-thoracic-lumbar-and-sacral-regions-of-the-equine-spine
#9
J A García Liñeiro, G H Graziotti, J M Rodríguez Menéndez, C M Ríos, N O Affricano, C L Victorica
The epaxial muscles produce intervertebral rotation in the transverse, vertical and axial axes. These muscles also counteract the movements induced by gravitational and inertial forces and movements produced by antagonistic muscles and the intrinsic muscles of the pelvic limb. Their fascicles are innervated by the dorsal branch of the spinal nerve, which corresponds to the metamere of its cranial insertion in the spinous process. The structure allows the function of the muscles to be predicted: those with long and parallel fibres have a shortening function, whereas the muscles with short and oblique fibres have an antigravity action...
April 30, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29706707/effect-of-trunk-stabilization-exercises-on-trunk-muscle-activation-using-different-respiratory-conditions
#10
Sang-Hun Lee, Seung-Geun Lee, Bo-Ram Choi
[Purpose] The purpose of this study is to evaluate differences in trunk muscle activity after 4 weeks of trunk stabilization exercises performed under expiration and inspiration conditions. [Subjects and Methods] Thirty subjects were assigned randomly to an expiration group (n=15) or an inspiration group (n=15). The outcomes measured were magnitude of muscle activation (rectus abdominis, multifidus, internal oblique and external oblique) in the bridge position and performance on a trunk muscle endurance test...
April 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29706695/effects-of-deep-breathing-on-internal-oblique-and-multifidus-muscle-activity-in-three-sitting-postures
#11
Min-Joo Ko, Eun-Joo Jung, Moon-Hwan Kim, Jae-Seop Oh
[Purpose] This study was to investigate differences in the level of activity of the external oblique (EO), internal oblique (IO), and multifidus (MF) muscles with deep breathing in three sitting postures. [Subjects and Methods] Sixteen healthy women were recruited. The muscle activity (EO, IO, MF) of all subjects was measured in three sitting postures (slumped, thoracic upright, and lumbo-pelvic upright sitting postures) using surface electromyography. The activity of the same muscles was then remeasured in the three sitting postures during deep breathing...
April 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29695727/functional-and-morphological-changes-in-the-deep-lumbar-multifidus-using-electromyography-and-ultrasound
#12
Shanshan Zhang, Yi Xu, Xiulan Han, Wen Wu, Yan Tang, Chuhuai Wang
Surface electromyography (sEMG) studies have indicated that chronic low back pain (cLBP) involves altered electromyographic activity and morphological structure of the lumbar multifidus (LM) beyond pain perception; however, most studies have evaluated the superficial lumbar multifidus. It is difficult to record electromyography (EMG) signals from the deep multifidus (DM) to determine the neuromuscular activation patterns, making it difficult to determine the relationship between functional and structural changes in cLBP...
April 25, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29687267/muscle-quality-characteristics-of-muscles-in-the-thigh-upper-arm-and-lower-back-in-elderly-men-and-women
#13
Akito Yoshiko, Takashi Kaji, Hiroki Sugiyama, Teruhiko Koike, Yoshiharu Oshida, Hiroshi Akima
PURPOSE: The ratio of fat within skeletal muscle is an important parameter that is indicative of muscle quality, and can be assessed using ultrasonography to measure echo intensity (EI). Muscle EI indicates muscle strength and risk of physical dysfunction; however, this observation was determined following examinations of only selected muscle. The purpose of this study was to investigate the EI characteristics of muscles in several regions in elderly men and women, using physical function tests and serum cholesterol levels...
April 23, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29680324/ultrasound-evaluation-of-the-abdominal-wall-and-lumbar-multifidus-muscles-in-participants-who-practice-pilates-a-1-year-follow-up-case-series
#14
Paula Gala-Alarcón, César Calvo-Lobo, Ana Serrano-Imedio, Alejandro Garrido-Marín, Patricia Martín-Casas, Gustavo Plaza-Manzano
OBJECTIVE: The purpose of this study was to describe ultrasound (US) changes in muscle thickness produced during automatic activation of the transversus abdominis (TrAb), internal oblique (IO), external oblique (EO), and rectus abdominis (RA), as well as the cross-sectional area (CSA) of the lumbar multifidus (LM), after 1 year of Pilates practice. METHODS: A 1-year follow-up case series study with a convenience sample of 17 participants was performed. Indeed, TrAb, IO, EO, and RA thickness, as well as LM CSA changes during automatic tests were measured by US scanning before and after 1 year of Pilates practice twice per week...
April 18, 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29660747/paraspinal-muscles-of-patients-with-lumbar-diseases
#15
Moon Soo Park, Seong-Hwan Moon, Tae-Hwan Kim, JaeKeun Oh, Seon-Jong Lee, Ho Guen Chang, Jae-Hyuk Shin
OBJECTIVE:  The treatment of atrophy or increased fat infiltration of the lumbar paraspinal muscles of patients with back pain, lumbar radiculopathy, or lumbar degenerative kyphosis is controversial. We review the literature on changes in the lumbar paraspinal muscles of these patients. METHODS:  We searched Medline for relevant English-language articles and retrieved 25 articles published from 1993 to 2017 on changes in the lumbar paraspinal muscles; 21 met our study criteria...
April 16, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29649092/ascorbic-acid-attenuates-multifidus-muscles-injury-and-atrophy-after-posterior-lumbar-spine-surgery-by-suppressing-inflammation-and-oxidative-stress-in-a-rat-model
#16
Pan Tang, Yu Gu, Jia-Ming Gu, Zi-Ang Xie, Jia-Qi Xu, Xiang-De Zhao, Kang-Mao Huang, Ji-Ying Wang, Xue-Sheng Jiang, Shun-Wu Fan, Zhi-Jun Hu
STUDY DESIGN: A rat model of multifidus muscles injury and atrophy after posterior lumbar spine surgery. OBJECTIVE: We determined the effect of ascorbic acid (AA) on the postoperative multifidus muscles in rat model. SUMMARY OF BACKGROUND DATA: Previous studies show oxidative stress and inflammation are two main molecular mechanisms in multifidus muscle injury and atrophy after posterior lumbar surgery. AA may have a protective effect in postoperative multifidus muscles...
April 11, 2018: Spine
https://www.readbyqxmd.com/read/29626268/intervertebral-disc-status-is-associated-with-vertebral-marrow-adipose-tissue-and-muscular-endurance
#17
Matthew Quittner, Timo Rantalainen, Nicola D Ridgers, Guy Trudel, Adnan Sheikh, David Connell, Daniel L Belavý
PURPOSE: Low back pain is a major public health issue. Identifying factors associated with better intervertebral disc (IVD) characteristics gives insight into IVD metabolism and highlights intervention targets for improvement of IVD health. This cross-sectional study investigates whether IVD T2-relaxation time on magnetic resonance imaging (MRI) is associated with vertebral fat fraction (VFF; to quantify marrow adipose tissue), trunk muscle cross-sectional area (CSA), muscle function and physical activity (PA)...
April 6, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29584507/trunk-muscle-recruitment-patterns-in-simulated-precrash-events
#18
Jóna Marín Ólafsdóttir, Jason B Fice, Daniel W H Mang, Karin Brolin, Johan Davidsson, Jean-Sébastien Blouin, Gunter P Siegmund
OBJECTIVES: To quantify trunk muscle activation levels during whole body accelerations that simulate precrash events in multiple directions and to identify recruitment patterns for the development of active human body models. METHODS: Four subjects (1 female, 3 males) were accelerated at 0.55 g (net Δv = 4.0 m/s) in 8 directions while seated on a sled-mounted car seat to simulate a precrash pulse. Electromyographic (EMG) activity in 4 trunk muscles was measured using wire electrodes inserted into the left rectus abdominis, internal oblique, iliocostalis, and multifidus muscles at the L2-L3 level...
February 28, 2018: Traffic Injury Prevention
https://www.readbyqxmd.com/read/29581666/lumbar-lordosis-angle-and-trunk-and-lower-limb-electromyographic-activity-comparison-in-hip-neutral-position-and-external-rotation-during-back-squats
#19
Tomoki Oshikawa, Yasuhiro Morimoto, Koji Kaneoka
[Purpose] To compare the lumbar lordosis angle and electromyographic activities of the trunk and lower-limb muscles in the hip neutral position and external rotation during back squats. [Subjects and Methods] Ten healthy males without severe low back pain or lower-limb injury participated in this study. The lumbar lordosis angle and electromyographic activities were measured using three-dimensional motion-capture systems and surface electrodes during four back squats: parallel back squats in the hip neutral position and external rotation and full back squats in the hip neutral position and external rotation...
March 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29562564/innovative-robotic-hippotherapy-improves-postural-muscle-size-and-postural-stability-during-the-quiet-stance-and-gait-initiation-in-a-child-with-cerebral-palsy-a-single-case-study
#20
Ji-Ho Park, Joshua Sung H You
BACKGROUND: Postural instability is an important pathomarker in children with cerebral palsy (CP), and is often implicated in gait disturbance. OBJECTIVE: The purpose of this study was to investigate the therapeutic effects of long-term robotic hippotherapy (HPOT) on postural muscles size and static and dynamic postural stability in a child with CP. METHODS: Ultrasonography was used to measure postural muscles size. We also evaluated the magnitude of the separation between the center of pressure (COP) and center of mass (COM) during quiet stance and gait initiation (GI) using an eight-camera motion capture system and two force plates...
2018: NeuroRehabilitation
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