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https://www.readbyqxmd.com/read/29332739/multifidus-muscle-size-in-adolescents-with-and-without-back-pain-using-ultrasonography
#1
Nahid Rahmani, Ali Kiani, Mohammad Ali Mohseni-Bandpei, Iraj Abdollahi
OBJECTIVE: The purposes of this study were; a) to compare multifidus muscle cross sectional area (CSA) in male adolescents suffering from low back pain (LBP) with healthy male adolescents using ultrasonography (US), and b) to assess the correlation between multifidus muscle size and demographic variables. METHODS: A random sample of 40 healthy boys (as a control group) and 40 boys with LBP (as an experimental group) at the age range of 15-18 years was recruited in the present cohort study...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332031/difference-of-the-thickness-and-activation-of-trunk-muscles-during-static-stoop-lift-at-different-loads-between-subjects-with-and-without-low-back-pain
#2
Hoe-Song Yang
BACKGROUND: Patients suffering from low back pain (LBP) have been reported to alter muscle contraction strategies. OBJECTIVE: To compare activity and thickness of the trunk muscles (external oblique (EO), internal oblique (IO), transversus abdominis (TrA), and lumbar multifidus (LM)) during static stoop lift at different lifting loads between the subjects with and without LBP. METHODS: Twenty eight subjects with LBP and twenty healthy subjects were recruited...
December 29, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29318571/fiber-type-composition-of-epaxial-muscles-is-geared-toward-facilitating-rapid-spinal-extension-in-the-leaper-galago-senegalensis
#3
Emranul Huq, Andrea B Taylor, Zuowei Su, Christine E Wall
OBJECTIVES: We hypothesized that the vertical leaper Galago senegalensis will have epaxial extensor muscles with a fast fiber phenotype to facilitate rapid spinal extension during leaping in comparison to the slow-moving quadruped Nycticebus coucang. To test this, we determined the percentage of fiber cross-sectional area (%CSA) devoted to Type 2 fibers in epaxial muscles of G. senegalensis compared to those of N. coucang. MATERIALS AND METHODS: Immunohistochemistry was used to identify Type 1, Type 2, and hybrid fibers in iliocostalis, longissimus, and multifidus muscles of G...
January 10, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29284521/exercise-intervention-for-unilateral-amputees-with-low-back-pain-study-protocol-for-a-randomised-controlled-trial
#4
Joseph G Wasser, Daniel C Herman, MaryBeth Horodyski, Jason L Zaremski, Brady Tripp, Phillip Page, Kevin R Vincent, Heather K Vincent
BACKGROUND: Atraumatic lower limb amputation is a life-changing event for approximately 185,000 persons in the United States each year. A unilateral amputation is associated with rapid changes to the musculoskeletal system including leg and back muscle atrophy, strength loss, gait asymmetries, differential mechanical joint loading and leg length discrepancies. Even with high-quality medical care and prostheses, amputees still develop secondary musculoskeletal conditions such as chronic low back pain (LBP)...
December 29, 2017: Trials
https://www.readbyqxmd.com/read/29276459/immediate-effect-of-lumbar-mobilization-on-activity-of-erector-spinae-and-lumbar-multifidus-muscles
#5
Fahed Mehyar, Marcio Santos, Sara E Wilson, Vincent S Staggs, Neena K Sharma
Objective: The purpose of this study was to investigate the effect of grade IV lumbar mobilization on the activity/contraction of erector spinae (ES) and lumbar multifidus (LM) muscles in healthy people. Methods: A randomized, repeated-measures design was used. Sixteen healthy subjects attended 3 testing sessions with a different intervention in each session (no intervention, grade IV central lumbar mobilization at L4, and placebo/light touch). Lying in a prone position, subjects lifted a light weight with their right arm while ultrasound images of LM and surface electromyography signals of ES were captured before and immediately after application of the intervention in the session...
December 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/29249454/biomechanical-consequences-of-running-with-deep-core-muscle-weakness
#6
Margaret E Raabe, Ajit M W Chaudhari
The deep core muscles are often neglected or improperly trained in athletes. Improper function of this musculature may lead to abnormal spinal loading, muscle strain, or injury to spinal structures, all of which have been associated with increased low back pain (LBP) risk. The purpose of this study was to identify potential strategies used to compensate for weakness of the deep core musculature during running and to identify accompanying changes in compressive and shear spinal loads. Kinematically-driven simulations of overground running were created for eight healthy young adults in OpenSim at increasing levels of deep core muscle weakness...
December 6, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29244235/new-therapy-for-refractory-chronic-mechanical-low-back-pain-restorative-neurostimulation-to-activate-the-lumbar-multifidus-one-year-results-of-a-prospective-multicenter-clinical-trial
#7
REVIEW
Kristiaan Deckers, Kris De Smedt, Bruce Mitchell, David Vivian, Marc Russo, Peter Georgius, Matthew Green, John Vieceli, Sam Eldabe, Ashish Gulve, Jean-Pierre van Buyten, Iris Smet, Vivek Mehta, Shankar Ramaswamy, Ganesan Baranidharan, Richard Sullivan, Robert Gassin, James Rathmell, Chris Gilligan
OBJECTIVES: The purpose of the international multicenter prospective single arm clinical trial was to evaluate restorative neurostimulation eliciting episodic contraction of the lumbar multifidus for treatment of chronic mechanical low back pain (CMLBP) in patients who have failed conventional therapy and are not candidates for surgery or spinal cord stimulation (SCS). MATERIALS AND METHODS: Fifty-three subjects were implanted with a neurostimulator (ReActiv8, Mainstay Medical Limited, Dublin, Ireland)...
December 15, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29230905/muscle-control-and-non-specific-chronic-low-back-pain
#8
REVIEW
Marc Russo, Kristiaan Deckers, Sam Eldabe, Kyle Kiesel, Chris Gilligan, John Vieceli, Peter Crosby
OBJECTIVES: Chronic low back pain (CLBP) is the most prevalent of the painful musculoskeletal conditions. CLBP is a heterogeneous condition with many causes and diagnoses, but there are few established therapies with strong evidence of effectiveness (or cost effectiveness). CLBP for which it is not possible to identify any specific cause is often referred to as non-specific chronic LBP (NSCLBP). One type of NSCLBP is continuing and recurrent primarily nociceptive CLBP due to vertebral joint overload subsequent to functional instability of the lumbar spine...
December 12, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29227152/analysis-of-intra-and-extramyocellular-lipids-in-the-multifidus-muscle-in-patients-with-chronic-low-back-pain-using-mr-spectroscopy
#9
Hiroyuki Takashima, Tsuneo Takebayashi, Izaya Ogon, Mitsunori Yoshimoto, Tomonori Morita, Rui Imamura, Mitsuhiro Nakanishi, Hiroshi Nagahama, Yoshinori Terashima, Toshihiko Yamashita
OBJECTIVE: To analyse the intra- (IMCL) and extramyocellular lipids (EMCL) concentration in the multifidus muscle (Mm) using MR spectroscopy (MRS) in patients with low back pain (LBP), and to evaluate the correlation between those lipid concentrations and age, obesity, atrophy of the Mm and LBP intensity. METHODS: 60 LBP patients underwent routine diagnostic MRI of the lumbar spine before undergoing imaging for the study. Body mass index, as an indicator of obesity and visual analogue scale, as an indicator of LBP were also measured...
January 2, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29201819/asymmetric-atrophy-of-paraspinal-muscles-in-patients-with-chronic-unilateral-lumbar-radiculopathy
#10
Jinmann Chon, Hee-Sang Kim, Jong Ha Lee, Seung Don Yoo, Dong Hwan Yun, Dong Hwan Kim, Seung Ah Lee, Yoo Jin Han, Hyun Seok Lee, Young Rok Han, Seonyoung Han, Yong Kim
Objective: To assess the cross-sectional area (CSA) of the muscles for investigating the occurrence of asymmetry of the paraspinal (multifidus and erector spinae) and psoas muscles and its relation to the chronicity of unilateral lumbar radiculopathy using magnetic resonance imaging (MRI). Methods: This retrospective study was conducted between January 2012 to December 2014. Sixty one patients with unilateral L5 radiculopathy were enrolled: 30 patients had a symptom duration less than 3 months (group A) and 31 patients had a symptom duration of 3 months or more (group B)...
October 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29187313/immediate-changes-in-resting-and-contracted-thickness-of-transversus-abdominis-after-dry-needling-of-lumbar-multifidus-in-healthy-participants-a-randomized-controlled-crossover-trial
#11
Emilio J Puentedura, Sarah J Buckingham, Daniella Morton, Crystal Montoya, Cesar Fernandez de Las Penas
OBJECTIVE: The purpose of this study was to investigate changes in resting and/or contraction thickness of the transversus abdominis (TrA) muscle after dry needling (DN) of the lumbar multifidus (LM) in asymptomatic participants. METHODS: A randomized controlled laboratory trial with crossover design was performed. Forty-seven healthy individuals who had not experienced low back pain in the previous 6 months were randomly assigned to receive DN to the LM or a sham-DN intervention...
October 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29184289/proprioceptive-change-impairs-balance-control-in-older-patients-with-low-back-pain
#12
Tadashi Ito, Yoshihito Sakai, Kazunori Yamazaki, Kazuma Igarashi, Noritaka Sato, Kiyoko Yokoyama, Yoshifumi Morita
[Purpose] This study aims to determine the specific proprioceptive control strategy used during postural balance in older patients with low back pain (LBP) and non-LBP (NLBP) and to assess whether this strategy is related to proprioceptive decline and LBP. [Subjects and Methods] Pressure displacement center was determined in 47 older persons with LBP and 64 older persons with NLBP during upright stance on a balance board without vision. Gastrocnemius (GS) and lumbar multifidus muscle (LM) vibratory stimulations of 60 and 240-Hz, respectively, were applied to evaluate the relative contributions of different proprioceptive signals (relative proprioceptive weighting ratio, RPW) used in postural control...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29174911/modulation-of-corticospinal-excitability-of-trunk-muscles-in-preparation-of-rapid-arm-movement
#13
Hugo Massé-Alarie, Cécilia Neige, Laurent Bouyer, Catherine Mercier
Many studies have described the dynamic modulation of corticospinal excitability of the prime movers during motor preparation. However although anticipatory postural adjustments (APA) are an inherent part of most voluntary movements investigation of trunk muscle corticospinal excitability during motor preparation has been neglected in the literature. In the present study, the corticospinal excitability of the superficial multifidus (sMF) and rectus abdominis (RA) muscle has been assessed during the preparation of rapid arm flexions and extensions in fifteen participants...
November 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/29158954/the-relationship-between-segmental-rolling-ability-and-lumbar-multifidus-activation-time
#14
Nicole Clark, Michael L Voight, Ashley M Campbell, Sherry Pierce, Pat Sells, Ryan Cook, Clint Henley, Lindsey Schiller
Background: Segmental rolling has been utilized as an assessment and intervention tool to identify and affect dysfunction of the upper quarter, core, and lower quarter. One theory to explain dysfunctional segmental rolling is a lack of segmental spinal control / stabilization. Faulty muscle firing sequencing has been related to poor spinal stability, however to date, no assessment tool exists to evaluate a patient's motor coordination of local and global musculature. Purpose: The purpose of this study was to assess the temporal sequence of lumbar multifidus activation associated with anterior deltoid activation, and to determine if faulty sequencing was associated with the inability to segmentally roll in subjects without mobility restrictions...
November 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29154265/analysis-of-correlation-between-degeneration-of-lower-lumbar-paraspinal-muscles-and-spinopelvic-alignment-in-patients-with-osteoporotic-vertebral-compression-fracture
#15
Qiguang Li, Jianmin Sun, Xingang Cui, Zhensong Jiang, Tao Li
BACKGROUND: A few studies have pointed that trunk extensors may affect the spinopelvic alignment; however, little is known about the exact association between degeneration of lower lumbar paraspinal muscles and spinopelvic parameters. OBJECTIVE: The study aimed to analyze the relationship between degeneration of lower lumbar paraspinal muscles and spinopelvic alignment in patients with osteoporotic vertebral compression fracture (OVCF). METHODS: Thirty-nine OVCF patients were involved in this study...
November 6, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29143122/vitamin-d-supplementation-attenuates-oxidative-stress-in-paraspinal-skeletal-muscles-in-patients-with-low-back-pain
#16
Katarzyna Dzik, Wojciech Skrobot, Damian Jozef Flis, Mateusz Karnia, Witold Libionka, Wojciech Kloc, Jan Jacek Kaczor
PURPOSE: The aim of the study was to evaluate markers of oxidative stress and vitamin D receptor in paraspinal muscles in low back pain patients with vitamin D deficiency, with normal level of vitamin D, and after 5 weeks of vitamin D supplementation. METHODS: Patients were divided into three groups: supplemented (SUP) with vitamin D, placebo with normal concentration of vitamin D (SUF), and the placebo group with vitamin D deficiency (DEF). The concentration of serum vitamin D was measured before and after the supplementation with vitamin D (3200 IU/ day for 5 weeks)...
January 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29117256/mri-defined-paraspinal-muscle-morphology-in-japanese-population-the-wakayama-spine-study
#17
Takahide Sasaki, Noriko Yoshimura, Hiroshi Hashizume, Hiroshi Yamada, Hiroyuki Oka, Ko Matsudaira, Hiroki Iwahashi, Kazunori Shinto, Yuyu Ishimoto, Keiji Nagata, Masatoshi Teraguchi, Ryohei Kagotani, Shigeyuki Muraki, Toru Akune, Sakae Tanaka, Hiroshi Kawaguchi, Kozo Nakamura, Akihito Minamide, Yukihiro Nakagawa, Munehito Yoshida
OBJECTIVE: This study aimed to establish sex- and age-dependent distributions of the cross sectional area and fatty infiltration ratio of paraspinal muscles, and to examine the correlation between paraspinal muscle degeneration and low back pain in the Japanese population. METHODS: In this cross-sectional study, data from 796 participants (241 men, 555 women; mean age, 63.5 years) were analyzed. The measurement of the cross sectional area and fatty infiltration ratio of the erector spinae and multifidus from the level of T12/L1 to L4/5 and psoas major at the level of T12/L1 was performed using axial T2-weighted magnetic resonance imaging...
2017: PloS One
https://www.readbyqxmd.com/read/29097271/the-effects-of-an-8-week-stabilization-exercise-program-on-lumbar-multifidus-muscle-thickness-and-activation-as-measured-with-ultrasound-imaging-in-patients-with-low-back-pain-an-exploratory-study
#18
Christian Larivière, Dany H Gagnon, Sharon M Henry, Richard Preuss, Jean-Pierre Dumas
BACKGROUND: Lumbar statilization exercise programs (LSEP) produce positive effects on clinical outcomes, but the underlying mechanisms remain fairly unexplored. Psychological and neuromuscular mechanisms can be involved such as a better activation of the lumbar multifidus which represents one possibility. OBJECTIVES: To determine the (1) effect of a LSEP on lumbar multifidus muscle thickness and activation, as measured with rehabilitative ultrasound imaging (RUSI), in patients with low back pain (LBP); (2) correlation between RUSI measures and any change in clinical outcomes following the LSEP; (3) reliability of RUSI measures in control subjects over 8 weeks...
October 30, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29060921/the-use-of-electromyography-and-magnetic-resonance-imaging-to-evaluate-a-core-strengthening-exercise-programme
#19
Alicja Rutkowska-Kucharska, Agnieszka Szpala
BACKGROUND: The question that was asked in the study was whether a training routine based on curl-up exercises with a load provided by body mass of the person increases local muscle strength or local muscle endurance. OBJECTIVE: The aim of this study was to evaluate the effect of 4 weeks training based on a small load and low movement velocity on electrical activity (EMG), cross-sectional area (CSA) of core stabilisers. METHODS: The EMG activity was measured in the rectus abdominis (RA), obliquus abdominis externus and erector spinae (ES) muscles...
October 13, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29054327/sex-differences-in-anticipatory-postural-adjustments-during-rapid-single-leg-lift
#20
Melanie D Bussey, Marcelo Peduzzi de Castro, Daniela Aldabe, Jonathan Shemmell
The aim of this study was to assess the influence of sex on the kinetic, kinematic and neuromuscular correlates of anticipatory postural adjustments (APAs) during a single leg lift task performed by healthy participants. Fifty healthy age and body mass index matched participants (25 women and 25 men) performed 20 single leg lift task (hip flexion to 90 ° as quickly as possible) with their dominant and their non-dominant lower limbs. A force plate was used to determine the medial-lateral displacement of the center of pressure (COPML), and the initiation of weight shift (T0); kinematics was used to determine leg lift (T1); and electromyography was used to determine onset times from eight muscles: bilateral external oblique, internal oblique and lumbar multifidus, and unilateral (stance limb) gluteus maximus and biceps femoris...
October 17, 2017: Human Movement Science
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