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https://www.readbyqxmd.com/read/28801988/prompt-scanning-and-quantification-of-lumbar-muscles-seeing-the-butterly
#1
Eda Gürçay, Murat Kara, Bayram Kaymak, Abdullah Ruhi Soylu, Levent Özçakar
We have taken interest in the article by Hides and Stanton which has been published in your journal (Hides et al., 2017). First, we congratulate the authors for their effort in calling attention to the use of ultrasound (US) for scanning the multifidus and quadratus lumborum (QL) muscles. Errors in quantification might stem mainly from two reasons; failure to capture an appropriate image and failure to technically quantify it (Özçakar et al., 2011 and 2013). This article is protected by copyright. All rights reserved...
August 12, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28774686/does-stabilization-of-the-degenerative-lumbar-spine-itself-produce-multifidus-atrophy
#2
Young Eun Kim, Hae Won Choi
The effect of stabilization of the degenerative segment on changes in the pattern of paraspinal muscle activity was investigated using a previously developed musculoskeletal model. Muscle activity change depending on L4-L5 segment stabilization with and without taking into account the presence of multifidus atrophy according to direct invasion of the back muscle during surgery (MADIBM) was analysed in erect standing and 20° flexed postures. For the stabilization of the degenerative segment, a fusion or non-fusion stabilization with a pedicle-based dynamic stabilization system (PBDS) was applied...
July 31, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28756299/is-the-size-and-composition-of-the-paraspinal-muscles-associated-with-low-back-pain-a-systematic-review
#3
REVIEW
Tom A Ranger, Flavia M Cicuttini, Tue Secher Jensen, Waruna L Peiris, Sultana Monira Hussain, Jessica Fairley, Donna M Urquhart
Background Context Although previous studies have investigated the association between paraspinal muscle morphology and low back pain (LBP), the results are conflicting. Purpose This systematic review examined the relationship between size and composition of the paraspinal muscles and LBP. Study design/ setting: Systematic review Patient sample: N/A Outcome measures: N/A Methods A systematic search of electronic databases was conducted to identify studies investigating the association between the cross-sectional area and/or fatty infiltration of the paraspinal muscles (erector spinae, multifidus, psoas and quadratus lumborum) and LBP...
July 26, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28748488/association-between-paraspinal-muscle-morphology-clinical-symptoms-and-functional-status-in-patients-with-lumbar-spinal-stenosis
#4
Maryse Fortin, Àron Lazáry, Peter Paul Varga, Michele C Battié
PURPOSE: Lumbar spinal stenosis (LSS) is a disabling condition associated with narrowing of the spinal canal or vertebral foramina. Paraspinal muscle atrophy and fatty infiltration have been reported in patients with chronic LBP and disc herniation. However, very few imaging studies have examined paraspinal muscle morphology and composition in patients with LSS. The purpose of this study was to investigate the association of paraspinal muscle size, composition and asymmetry with functional status in patients with LSS...
July 26, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28746244/the-effect-of-unicycle-riding-course-on-trunk-strength-and-trunk-stability-functions-in-children
#5
Andrej Kocjan, Nejc Sarabon
PURPOSE: The aim of the study was to assess the effect of unicycling on trunk strength and timing of automatic stability actions of the selected trunk muscles (multifidus, obliquus externus, erector spine). METHODS: Twenty healthy 12-year-old children (12 boys, 8 girls; age 12.1 ± 0.2 yrs; body height 1.57 ± 0.05 m; body mass 52.8 ± 10.6 kg) were assigned to experimental and control group. Experimental group performed a supervised 12-session course of unicycling...
July 24, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28746131/assessment-of-the-cross-sectional-areas-of-the-psoas-major-and-multifidus-muscles-in-patients-with-adult-spinal-deformity-a-case-control-study
#6
Tomohiro Banno, Yu Yamato, Tomohiko Hasegawa, Sho Kobayashi, Daisuke Togawa, Shin Oe, Yuki Mihara, Kenta Kurosu, Naoto Yamamoto, Yukihiro Matsuyama
STUDY DESIGN: This is a case-control study. OBJECTIVE: The present study aimed to compare the cross-sectional areas of the psoas major and multifidus muscles between elderly patients with adult spinal deformity (ASD) and age-matched and body weight-matched controls, and to evaluate the associations between the cross-sectional areas of these muscles and the severity of spinal deformity. SUMMARY OF BACKGROUND DATA: The study included 49 female kyphosis patients with mild scoliosis (Cobb angle <20 degrees; mean age, 70...
August 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28739019/the-effect-of-2-different-exercise-programs-on-pain-intensity-and-muscle-dimensions-in-patients-with-chronic-low-back-pain-a-randomized-controlled-trial
#7
Narjess Nabavi, Mohammad A Mohseni Bandpei, Zahra Mosallanezhad, Mahdi Rahgozar, Shapour Jaberzadeh
OBJECTIVES: The purpose of this study was to compare the effect of 2 exercise programs combined with electrotherapy on pain intensity and lumbar stabilizer muscles dimensions in patients with nonspecific chronic low back pain. METHODS: A randomized controlled clinical trial was performed with 41 patients with chronic LBP. Participants were randomly allocated into 2 groups: an experimental group (n = 20) received stabilization exercises plus electrotherapy, and a control group (n = 21) received routine exercises plus electrotherapy...
July 21, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28719508/is-the-organisation-of-the-primary-motor-cortex-in-low-back-pain-related-to-pain-movement-and-or-sensation
#8
Edith Elgueta-Cancino, Siobhan Schabrun, Paul Hodges
Primary motor cortex (M1) organisation differs between individuals with and without chronic low back pain (CLBP), in parallel with motor and sensory impairments. This study investigated whether movement behaviour and tactile/pain sensation are related to M1 organisation in CLBP. Transcranial magnetic stimulation (TMS) was used to map the M1 representation of the erector spinae and multifidus muscles in 20 participants with and without CLBP. Cortical organisation was quantified by: map volume; center of gravity (CoG); number of peaks; and primary and secondary peak location...
July 17, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28715299/test-retest-reliability-of-measurements-of-abdominal-and-multifidus-muscles-using-ultrasound-imaging-in-adults-aged-50-79-years
#9
W A Cuellar, L Blizzard, M L Callisaya, J A Hides, G Jones, C Ding, T M Winzenberg
Test-retest reliability of the combined process of ultrasound imaging (USI) and image measurement of thickness of abdominal and upper lumbar multifidus (MF) muscles and MF cross sectional area (CSA) of older adults has not been established. Imaging muscles of older adults can be challenging due to age-related changes in the spine and skeletal muscle so establishing test-retest reliability in this population is important. This study aimed to evaluate test-retest reliability of USI of abdominal and MF muscle thickness and MF CSA for adults aged 50-79 years...
April 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28698963/change-in-fatty-infiltration-of-lumbar-multifidus-erector-spinae-and-psoas-muscles-in-asymptomatic-adults-of-asian-or-caucasian-ethnicities
#10
Rebecca J Crawford, James M Elliott, Thomas Volken
PURPOSE: Fatty infiltration (FI) is a feature of degenerating muscle that predominates in the low lumbar spine, associates with pain, and is confounded by age, spinal degeneration, and curvature. We determined rates for decline of lumbar muscle quality according to ethnicity, muscle, and spinal level in asymptomatic subjects. METHODS: Cross-sectional simulation study assessing aggregated data; 650 Asians aged 20-89 years versus 80 Caucasians aged 20-62 years. Change in lumbar multifidus, erector spinae (ES), and psoas fat content were computed using synthetic data and Monte Carlo simulations...
July 11, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28673735/properties-of-paraspinal-muscles-in-japanese-high-school-baseball-players-with-terminal-stage-lumbar-spondylolysis
#11
Hiroyuki Tsuboi, Yukihide Nishimura, Takeshi Sakata, Hideaki Tanina, Hideki Arakawa, Takeshi Nakamura, Yuichi Umezu, Fumihiro Tajima
BACKGROUND: Lumbar spondylolysis is a defect in the pars interarticularis that is common in young athletes; the stress distribution at the pars interarticularis is the highest in extension and rotation movements. The paraspinal muscles play an important role in stabilization of the lumbar spine; however, no study has assessed the properties of paraspinal muscles in athletes with lumbar spondylolysis. OBJECTIVE: To evaluate the properties of paraspinal muscles in athletes with lumbar spondylolysis...
June 30, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28667897/rate-of-force-development-and-muscle-activation-of-trunk-muscles-in%C3%A2-women-with-and-without-low-back-pain-a-case-control-study
#12
Denise Martineli Rossi, Mary Hellen Morcelli, Adalgiso Coscrato Cardozo, Benedito Sérgio Denadai, Mauro Gonçalves, Marcelo Tavella Navega
OBJECTIVE: To evaluate the rate of force development (RFD) and the rate of electromyography rise (RER) of global and local trunk muscles in women with and without low back pain. DESIGN: Cross-sectional study. SETTING: Laboratory setting. PARTICIPANTS: Twenty-eight women divided into low back pain (LBP, n = 14) and control groups (CG, n = 14) participated in this study. MAIN OUTCOME MEASURES: Subjects performed isometric contractions of trunk using an isokinetic dynamometer, and simultaneously the electromyography (EMG) signals were collected for global (rectus abdominis and longissimus thoracic) and local (internal oblique and multifidus) muscles...
July 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28640896/beneficial-effects-of-a-gait-used-while-wearing-a-kimono-to-decrease-the-knee-adduction-moment-in-healthy-adults
#13
Susumu Ota, Yukari Ogawa, Hiroki Ota, Tomoya Fujiwara, Tadashi Sugiyama, Akira Ochi
The knee adduction moment (KAM) relates to medial knee osteoarthritis (OA). Several gait modifications to reduce the KAM for the prevention of knee OA have been studied. Most of the modifications, however, involve voluntary changes in leg alignment. Here we investigated the biomechanical effects for reducing the KAM of a walking style with a small trunk rotation and arm swing gait, which is a natural walking style used while wearing a kimono (Nanba walk) that shifts the ground reaction force toward the stance leg (reduced lever arm)...
2017: PloS One
https://www.readbyqxmd.com/read/28634547/kinesiophobia-pain-muscle-functions-and-functional-performances-among-older-persons-with-low-back-pain
#14
Nor Azizah Ishak, Zarina Zahari, Maria Justine
OBJECTIVES: This study aims (1) to determine the association between kinesiophobia and pain, muscle functions, and functional performances and (2) to determine whether kinesiophobia predicts pain, muscle functions, and functional performance among older persons with low back pain (LBP). METHODS: This is a correlational study, involving 63 institutionalized older persons (age = 70.98 ± 7.90 years) diagnosed with LBP. Anthropometric characteristics (BMI) and functional performances (lower limb function, balance and mobility, and hand grip strength) were measured...
2017: Pain Research and Treatment
https://www.readbyqxmd.com/read/28633669/impact-of-exercise-programs-among-helicopter-pilots-with-transient-lbp
#15
Knut Andersen, Roald Baardsen, Ingvild Dalen, Jan Petter Larsen
BACKGROUND: Flight related low back pain (LBP) among helicopter pilots is frequent and may influence flight performance. Prolonged confined sitting during flights seems to weaken lumbar trunk (LT) muscles with associated secondary transient pain. Aim of the study was to investigate if structured training could improve muscular function and thus improve LBP related to flying. METHODS: 39 helicopter pilots (35 men and 4 women), who reported flying related LBP on at least 1 of 3 missions last month, were allocated to two training programs over a 3-month period...
June 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28615336/prevention-and-reversal-of-latent-sensitization-of-dorsal-horn-neurons-by-glial-blockers-in-a-model-of-low-back-pain-in-male-rats
#16
Juanjuan Zhang, Siegfried Mense, Rolf-Detlef Treede, Ulrich Hoheisel
In an animal model of non-specific low back pain, recordings from dorsal horn neurons were made to investigate the influence of glial cells in the central sensitization process. To induce a latent sensitization of the neurons, nerve growth factor (NGF) was injected into the multifidus muscle; the manifest sensitization to a second NGF injection 5 days later was used as a read-out. The sensitization manifested in increased resting activity and in an increased proportion of neurons responding to stimulation of deep somatic tissues...
June 14, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28585998/correlation-of-the-features-of-the-lumbar-multifidus-muscle-with-facet-joint-osteoarthritis
#17
Bo Yu, Kaibiao Jiang, Xinfeng Li, Jidong Zhang, Zude Liu
Facet joint osteoarthritis is considered a consequence of the aging process; however, there is evidence that it may be associated with degenerative changes of other structures. The goal of this study was to investigate the correlation between lumbar multifidus muscle features and facet joint osteoarthritis. This retrospective study included 160 patients who had acute or chronic low back pain and were diagnosed with facet joint osteoarthritis on computed tomography scan. Morphometric parameters, including cross-sectional area, muscle-fat index, and percentage of bilateral multifidus asymmetry at L3-L4, L4-L5, and L5-S1, were evaluated with T2-weighted magnetic resonance imaging...
June 6, 2017: Orthopedics
https://www.readbyqxmd.com/read/28584310/effects-of-external-loading-on-lumbar-extension-moment-during-squat-lifting
#18
Iman Vahdat, Mostafa Rostami, Farhad Tabatabai Ghomsheh, Siamak Khorramymehr, Ali Tanbakoosaz
OBJECTIVES: The main objective of this study has been qualitative investigation of the effects of external loading on the lumbar extension moment during squat lifting. Findings of this study may allow to determine the factor with the most considerable effect on the lumbar extension moment and may help determine the lumbar spine risk factors at temporo-spatial coordination during squat lifting. MATERIAL AND METHODS: Twelve healthy men volunteered to perform slow and fast squat lifting of a box of varied mass (4 kg, 8 kg and 12 kg)...
May 29, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28582894/a-study-on-trunk-muscle-activation-patterns-according-to-tilt-angle-during-whole-body-tilts
#19
Sun Hye Shin, Seung Rok Kang, Tae-Kyu Kwon, Changho Yu
BACKGROUND: Lower back pain has a lifetime prevalence of 80% for people in a modern society, and in recent years, spinal stabilization movement has been highlighted as a method to treat lower back pain and an unbalanced position. OBJECTIVE: The objectives of this study were to assess the trunk muscle activities in accordance with the tilt angles (10∘, 20∘, 30∘, 40∘) during trunk tilt exercises with a 3D dynamic exercise device. METHODS: Active tilt mode (a self-generated active movement in the angle and direction steered by the user) was used in this study...
July 20, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28560116/infrared-thermography-applied-to-lower-limb-muscles-in-elite-soccer-players-with-functional-ankle-equinus-and-non-equinus-condition
#20
David Rodríguez-Sanz, Marta Elena Losa-Iglesias, Daniel López-López, César Calvo-Lobo, Patricia Palomo-López, Ricardo Becerro-de-Bengoa-Vallejo
Gastrocnemius-soleus equinus (GSE) is a foot-ankle complaint in which the extensibility of the gastrocnemius (G) and soleus muscles (triceps surae) and ankle are limited to a dorsiflexion beyond a neutral ankle position. The asymmetric forces of leg muscles and the associated asymmetric loading forces might promote major activation of the triceps surae, tibialis anterior, transverses abdominal and multifidus muscles. Here, we made infrared recordings of 21 sportsmen (elite professional soccer players) before activity and after 30 min of running...
2017: PeerJ
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