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https://www.readbyqxmd.com/read/28633066/an-emg-assisted-modeling-approach-to-assess-passive-lumbar-tissue-loading-in-vivo-during-trunk-bending
#1
Xiaopeng Ning
Lower back pain (LBP) is a condition with high prevalence and high cost both in the United States and around the world. The magnitude of mechanical loading on spine is strongly associated with the occurrence of LBP. Previously, to assess spinal loading, biologically assisted biomechanical models were developed to estimate trunk muscle contraction forces. Loadings on lumbar passive tissues are estimated using anatomical models. However, despite the substantial individual variability in lumbar ligament geometry and viscoelastic properties, the existing anatomical models do not account for these differences...
June 10, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28611320/prevalence-of-low-back-pain-and-carpal-tunnel-syndrome-among-dental-practitioners-in-dakshina-kannada-and-coorg-district
#2
D Anupama Prasad, Drithi Appachu, Vinayak Kamath, D Krishna Prasad
CONTEXT: Dental practitioners who usually have to work for long durations in a particular fixed posture are more prone to musculoskeletal disorders (MSDs), particularly those involving the hand and wrist and also of the lower back. AIMS: To study the prevalence of carpal tunnel syndrome (CTS) and low back pain (LBP) among dental practitioners and to correlate the symptoms with the duration of practice. SUBJECTS AND METHODS: A closed-end questionnaire was distributed to 100 dental practitioners from Dakshina Kannada and Coorg districts of Karnataka, India...
March 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28609182/infrared-thermography-reveals-effect-of-working-posture-on-skin-temperature-in-office-workers
#3
Roope Lasanen, Markus K H Malo, Olavi Airaksinen, Jari Karhu, Juha Töyräs, Petro Julkunen
INTRODUCTION: Musculoskeletal symptoms related to using traditional computer workstations are common. To improve ergonomics of workstations quantitative methods for measuring muscle stress and strain are needed. We hypothesize that infrared thermography (IRT) is suited for this purpose. METHODS: This hypothesis was evaluated by estimating muscle activity in upright and traditional working postures with IRT and surface electromyography (sEMG). IRT and sEMG measurements were conducted in 14 female participants with both working postures...
June 13, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28607896/a-survey-of-work-related-musculoskeletal-disorders-among-otolaryngologists
#4
Twinkle Dabholkar, Sujata Yardi, Yogesh G Dabholkar, Haritosh K Velankar, Gaurav Ghuge
There are increased reports of prevalence of work-related musculoskeletal disorders (WRMSDs) in surgeons performing minimal access surgeries. Due to the nature of the speciality, otolaryngologists spend their work days in performing markedly precise procedures in small workspaces i.e. the patients' ear, nose and throat. Due to this, they frequently adopt awkward neck, back and shoulder postures while using devices like otoscope, endoscope and microscope. The field of otolaryngology has barely received any attention with respect to ergonomic assessment...
June 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28593385/tailor-made-management-of-thoracic-scoliosis-with-cervical-hyperextension-in-muscular-dystrophy
#5
A Angelliaume, L Harper, A Lalioui, A Delgove, Y Lefèvre
PURPOSE: We report the case of a 13-year-old boy managed for fixed cervical hyperextension due to congenital muscular dystrophy with partial merosin deficiency. He presented a right decompensated thoracic scoliosis (T6-L1 Cobb angle 72°) associated with cervical and lumbar lordosis. The spinal extension was accompanied by major flexion of the hip resulting in the trunk being bent forward. This posture caused daily severe back pain responsible for significant loss of quality of life. This led to the decision to perform surgery...
June 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28593079/seat-pressure-distribution-characteristics-during-1-hour-sitting-in-office-workers-with-and-without-chronic-low-back-pain
#6
Nipaporn Akkarakittichoke, Prawit Janwantanakul
BACKGROUND: Low back pain (LBP) is a major problem for office workers. Individuals adopting poor postures during prolonged sitting have a considerably increased risk of experiencing LBP. This study aimed to investigate seat pressure distribution characteristics, i.e., average pressure, peak pressure ratio, frequency of postural shift, and body perceived discomfort (BPD), during 1 hour of sitting among office workers with and without chronic LBP. METHODS: Forty-six participants (chronic LBP = 23, control = 23) typed a standardized text passage at a computer work station for an hour...
June 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28582894/a-study-on-trunk-muscle-activation-patterns-according-to-tilt-angle-during-whole-body-tilts
#7
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...
May 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28576213/mechanical-exposure-of-ophthalmic-surgeons-a-quantitative-ergonomic-evaluation-of-indirect-ophthalmoscopy-and-slit-lamp-biomicroscopy
#8
Conrad Shaw, Rabia Bourkiza, Louisa Wickham, Ian Mccarthy, Cordelia Mckechnie
OBJECTIVE: Vitreoretinal (VR) surgeons have high rates of spinal pain. The aim of this study was to investigate if VR surgeons adopt more complex postures in indirect ophthalmoscopy procedures compared with procedures involving the slit-lamp or operating microscope. METHODS: Postures of the neck, back, and overall spine were measured by inclinometers on 13 VR surgeons. Each doctor was measured during 3 indirect examinations and 3 slit-lamp examinations (SLE), and then during 1 operating microscope procedure (phacoemulsification/vitrectomy) and 1 indirect procedure (indirect laser or cryotherapy/buckle)...
June 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28572078/the-effect-of-core-stabilization-exercise-on-the-kinematics-and-joint-coordination-of-the-lumbar-spine-and-hip-during-sit-to-stand-and-stand-to-sit-in-patients-with-chronic-nonspecific-low-back-pain-coscious-study-protocol-for-a-randomized-double-blind-controlled
#9
Mohammad Reza Pourahmadi, Ismail Ebrahimi Takamjani, Shapour Jaberzadeh, Javad Sarrafzadeh, Mohammad Ali Sanjari, Holakoo Mohsenifar, Rasool Bagheri, Morteza Taghipour
BACKGROUND: Chronic nonspecific low back pain (CNLBP) is among the most prevalent health problems. Lumbar spine and hips kinematics and coordination can be affected in CNLBP. The effects of exercises on the kinematics and coordination of lumbar spine and hips during sit-to-stand (STS) and its reverse have not been evaluated. OBJECTIVE: The aim of this study is to investigate the effect of core stabilization exercise on the kinematics and joint coordination of the lumbar spine and hip during STS and its reverse in CNLBP patients...
June 1, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28559751/analysis-of-patient-outcomes-using-the-myokinesthetic-system-for-the-treatment-of-low-back-pain-a-case-series
#10
Kari Brody, Alan M Nasypany, Russell T Baker, James M May
OBJECTIVE: The purpose of this case series was to test the feasibility of using the MyoKinesthetic (MYK) System as a treatment-based classification system and intervention for a sample of patients with low back pain. METHODS: This within-subject intervention was completed in a university athletic training clinic. Nine participants (mean age: 31 years) with a primary complaint of LBP were evaluated and included. An athletic trainer performed the initial assessment, which contained the following components: patient history, palpation, range of motion testing, lower quarter neurologic screening, MYK System posture screen, orthopedic special tests, and baseline data for pain intensity, disability, and function...
June 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/28536754/movement-amplitude-on-the-functional-re-adaptive-exercise-device-deep-spinal-muscle-activity-and-movement-control
#11
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/28533619/the-effects-of-exercise-using-an-ergometer-with-swaying-saddle-on-chronic-lower-back-pain
#12
Seung Jin Byeon, Ki Hyun Kim
[Purpose] This study aims to investigate the effects of exercise using an ergometer with swaying saddle on chronic lower back pain. [Subjects and Methods] Thirty-three normal adults (university students) with chronic lower back pain were randomly recruited. The flexibility and strength of muscles were measured before and after an 8-week intervention. Belly-bike, an ergometer with a swaying saddle, was used. The duration of intervention was 30 minutes a day, 3 times a week. To measure the level of pain, visual analogue scale (VAS) and Korean Oswestry Disability Index were used...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533614/the-effect-of-bridge-exercise-method-on-the-strength-of-rectus-abdominis-muscle-and-the-muscle-activity-of-paraspinal-muscles-while-doing-treadmill-walking-with-high-heels
#13
Taewook Kang, Jaeseok Lee, Junghoon Seo, Dongwook Han
[Purpose] The purpose of this research is to investigate the effect of the method of bridge exercise on the change of rectus abdominis muscle and the muscle activity of paraspinal muscles while doing treadmill walking with high heels. [Subjects and Methods] The subjects of this research are healthy female students consisting of 10 persons performing bridge exercises in a supine group, 10 persons performing bridge exercises in a prone group, and 10 persons in a control group while in S university in Busan. Bridge exercise in supine position is performed in hook lying position...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28532865/hamstring-muscle-length-and-pelvic-tilt-range-among-individuals-with-and-without-low-back-pain
#14
Francis Oluwafunsho Fasuyi, Ayodele A Fabunmi, Babatunde O A Adegoke
Hamstring tightness has been documented not to be related to the pelvic tilt position during static standing posture, but there is limited data on the relationship between hamstring muscle length (HML) and pelvic tilt range (PTR) during the dynamic movement of forward bending. This ex-post facto study was designed to compare each of HML and PTR in individuals with low back pain (LBP) and counterparts without LBP, and the relationship between HML and PTR in individuals with and without LBP. The study involved 30 purposively recruited individuals with LBP and 30 height and weight-matched individuals without LBP...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28529148/postural-preference-and-musculoskeletal-complaints-in-oral-and-maxillofacial-surgeons
#15
Corey A Taylor, Robert A Strauss, Alvin M Best
PURPOSE: Oral and maxillofacial surgeons traditionally have musculoskeletal pain. The aim of this study was to determine the postural preferences of oral and maxillofacial surgeons and their effect on musculoskeletal pain. MATERIALS AND METHODS: The authors designed and implemented a cross-sectional study. The association of demographic characteristics with postural preferences and use of loupes was explored. Then, the relation of demographic characteristics, postural preferences, and use of loupes to painful musculoskeletal complaints was analyzed...
April 26, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28527423/task-related-and-person-related-variables-influence-the-effect-of-low-back-pain-on-anticipatory-postural-adjustments
#16
Jesse V Jacobs, Courtney A Lyman, Juvena R Hitt, Sharon M Henry
BACKGROUND: People with low back pain exhibit altered postural coordination that has been suggested as a target for treatment, but heterogeneous presentation has rendered it difficult to identify appropriate candidates and protocols for such treatments. This study evaluated the associations of task-related and person-related factors with the effect of low back pain on anticipatory postural adjustments. METHODS: Thirteen subjects with and 13 without low back pain performed seated, rapid arm flexion in self-initiated and cued conditions...
May 17, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28453104/-low-back-pain-perception-from-the-prolonged-use-of-a-dynamic-seat-in-sitting-posture
#17
Zuli T Galindo-Estupiñan, Maria F Maradei-García, Francisco Espinel-Correal
Objective To determine whether a tilting system located in the seat of a chair allows for performing voluntary macro-repositioning movements of the pelvis in order to reduce the perception of pain after a prolonged period in the sitting posture. Methods Eight women participated in the experiment. They were asked to sit on the chair with the tilting system and the chair without the tilting system for sixty minutes on two different days but carried out at the same time of day. Discomfort was assessed with the visual analogic scale...
June 2016: Revista de Salud Pública
https://www.readbyqxmd.com/read/28428586/a-dentist-s-life-helping-dentists-prevent-poor-posture-and-back-pain
#18
(no author information available yet)
No abstract text is available yet for this article.
April 21, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28425239/an-8-week-thoracic-spine-stabilization-exercise-program-improves-postural-back-pain-spine-alignment-postural-sway-and-core-endurance-in-university-students-a-randomized-controlled-study
#19
Şeyda Toprak Çelenay, Derya Özer Kaya
BACKGROUND/AIM: To investigate the effects of an 8-week thoracic stabilization exercise program on back pain, spinal alignment, postural sway, and core endurance in university students. MATERIALS AND METHODS: University students were randomly allocated into exercise (n: 28) and control (n: 25) groups. The exercise program was carried out 3 days a week for 8 weeks. Postural pain, spinal alignment, postural sway, and core endurance were assessed via visual analogue scale, Spinal Mouse, Biodex Balance System, and McGill's trunk muscle endurance tests at the baseline and after 8 weeks of training...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28419796/-third-working-conditions-and-health-survey-in-navarre-spain-main-findings
#20
Vega García
OBJECTIVE: To describe health problems and working conditions perceived by workers of Navarra, Spain. METHODS: Conduct of the Third Survey of Working Conditions and Health in Navarre. We administered the Seventh Spanish National Survey of Working Conditions questionnaire by personal interviews conducted in the workers' homes between October 2014 and December 2014, and using a three-stage stratified sampling approach, by economic activity, work establishment size and gender...
April 2017: Archivos de Prevención de Riesgos Laborales
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