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https://www.readbyqxmd.com/read/28806708/predictive-simulation-of-diabetic-gait-individual-contribution-of-ankle-stiffness-and-muscle-weakening
#1
Gilmar F Santos, Aline A Gomes, Isabel C N Sacco, Marko Ackermann
Diabetic neuropathic individuals present massive muscle strength reduction at the ankle plantar- and dorsiflexors and increased joint stiffness. Our aim is to investigate the adaptation strategies to these musculoskeletal alterations during walking by means of predictive simulations. We used a seven segment planar musculoskeletal model actuated by eight Hill-type muscles in each leg. The effect of all passive tissue in muscles and other joint structures was modeled by net passive joint moment curves. The predictive simulations were generated by solving an optimal control problem that minimized a cost function, including effort and tracking terms, using direct collocation and a commercial optimal control package...
August 1, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28804984/3d-bioprinting-for-cartilage-and-osteochondral-tissue-engineering
#2
REVIEW
Andrew C Daly, Fiona E Freeman, Tomas Gonzalez-Fernandez, Susan E Critchley, Jessica Nulty, Daniel J Kelly
Significant progress has been made in the field of cartilage and bone tissue engineering over the last two decades. As a result, there is real promise that strategies to regenerate rather than replace damaged or diseased bones and joints will one day reach the clinic however, a number of major challenges must still be addressed before this becomes a reality. These include vascularization in the context of large bone defect repair, engineering complex gradients for bone-soft tissue interface regeneration and recapitulating the stratified zonal architecture present in many adult tissues such as articular cartilage...
August 14, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28804813/a-systematic-review-of-the-clinical-applications-and-complications-of-bone-marrow-aspirate-concentrate-in-management-of-bone-defects-and-nonunions
#3
REVIEW
Mohamed A Imam, James Holton, Lukas Ernstbrunner, Wojciech Pepke, Florian Grubhofer, Ali Narvani, Martyn Snow
PURPOSE: Fracture healing encompasses a succession of dynamic multifactorial metabolic events, which ultimately re-establishes the integrity of the biomechanical properties of the bone. Up to 10% of the fractures occurring annually will need additional surgical procedures because of impaired healing. The aim of this article is to review the current literature regarding the use of bone marrow aspirate concentrate (BMAC) and its effectiveness in the management of bone defects. METHODS: We have included all published clinical literature investigating the development, techniques and applications of BMAC...
August 13, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28803578/physiotherapy-managers-views-of-musculoskeletal-physiotherapy-service-provision-in-ireland-a-qualitative-study
#4
Helen P French, Rose Galvin
Aim Integrated multidisciplinary primary healthcare is still in a relatively early stage of development in Ireland, with significant restructuring occurring in the past decade. Musculoskeletal physiotherapy services traditionally provided in acute hospital settings have been relocated into the primary care setting where the physiotherapist works as part of the multidisciplinary team. This study aimed to explore physiotherapy managers' experiences of managing musculoskeletal physiotherapy services in primary care to gain an insight into the opportunities and challenges in service delivery, changing roles and ongoing professional development needs of staff...
August 14, 2017: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/28803518/a-feminist-intervention-that-hurt-women-biological-differences-ergonomics-and-occupational-health-une-intervention-f%C3%A3-ministe-qui-a-nui-aux-femmes-diff%C3%A3-rences-biologiques-%C3%A3-galit%C3%A3-ergonomie-et-sant%C3%A3-au-travail
#5
Karen Messing
The University of Québec in Montréal has agreements with trade unions providing access to university resources. Researchers involved in this program worked in partnership with union women's and health and safety committees for more than twenty years. Not all studies succeeded in improving women's working conditions. One joint project involved observational studies of tasks done by health-care workers, complemented by interviews and questionnaires. We found that task assignments, movements, postures, and work-related musculoskeletal disorders varied by gender/sex and made recommendations for change...
January 1, 2017: New Solutions: a Journal of Environmental and Occupational Health Policy: NS
https://www.readbyqxmd.com/read/28803367/the-role-of-agonist-and-antagonist-muscles-in-explaining-isometric-knee-extension-torque-variation-with-hip-joint-angle
#6
Theodoros M Bampouras, Neil D Reeves, Vasilios Baltzopoulos, Constantinos N Maganaris
PURPOSE: The biarticular rectus femoris (RF), operating on the ascending limb of the force-length curve, produces more force at longer lengths. However, experimental studies consistently report higher knee extension torque when supine (longer RF length) compared to seated (shorter RF length). Incomplete activation in the supine position has been proposed as the reason for this discrepancy, but differences in antagonistic co-activation could also be responsible due to altered hamstrings length...
August 12, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28803114/the-inferomedial-femoral-neck-is-compromised-by-age-but-not-disease-fracture-toughness-and-the-multifactorial-mechanisms-comprising-reference-point-microindentation
#7
T Jenkins, O L Katsamenis, O G Andriotis, L V Coutts, B Carter, D G Dunlop, R O C Oreffo, C Cooper, N C Harvey, P J Thurner, The OStEO Group
The influence of ageing on the fracture mechanics of cortical bone tissue is well documented, though little is known about if and how related material properties are further affected in two of the most prominent musculoskeletal diseases, osteoporosis and osteoarthritis (OA). The femoral neck, in close proximity to the most pertinent osteoporotic fracture site and near the hip joint affected by osteoarthritis, is a site of particular interest for investigation. We have recently shown that Reference Point micro-Indentation (RPI) detects differences between cortical bone from the femoral neck of healthy, osteoporotic fractured and osteoarthritic hip replacement patients...
June 30, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28802839/prevalence-patterns-and-predictors-of-massage-practitioner-utilization-results-of-a-us-nationally-representative-survey
#8
Tobias Sundberg, Holger Cramer, David Sibbritt, Jon Adams, Romy Lauche
BACKGROUND: The use of massage therapy is common, especially in patients with musculoskeletal pain. The purpose of this study was to examine the prevalence, utilization, socio-demographic and health-related predictors of massage practitioner consultations in the US population. METHODS: Cross-sectional data from the 2012 National Health Interview Survey for adults (n = 34,525). RESULTS: Prevalence of massage practitioner utilization were 12...
July 15, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28802459/head-trunk-and-arm-posture-amplitude-and-variation-muscle-activity-sedentariness-and-physical-activity-of-3-to-5-year-old-children-during-tablet-computer-use-compared-to-television-watching-and-toy-play
#9
Erin K Howie, Pieter Coenen, Amity C Campbell, Sonia Ranelli, Leon M Straker
Young children (ages 3 to 5) are using mobile touchscreen technology, including tablet computers, yet little is known on the potential musculoskeletal and physical activity implications of its use. This within-subject laboratory study (n = 10) examined head, trunk and arm postures, upper trapezius muscle activity, and total body and upper limb physical activity during playing with tablets compared to during TV watching and playing with non-screen toys. Overall, this study found that during tablet play children had greater mean head, trunk and upper arm angles compared to both TV watching and toy play...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28802456/can-a-smart-chair-improve-the-sitting-behavior-of-office-workers
#10
C C Roossien, J Stegenga, A P Hodselmans, S M Spook, W Koolhaas, S Brouwer, G J Verkerke, M F Reneman
Prolonged sitting can cause health problems and musculoskeletal discomfort. There is a need for objective and non-obstructive means of measuring sitting behavior. A 'smart' office chair can monitor sitting behavior and provide tactile feedback, aiming to improve sitting behavior. This study aimed to investigate the effect of the feedback signal on sitting behavior and musculoskeletal discomfort. In a 12-week prospective cohort study (ABCB design) among office workers (n = 45) was measured sitting duration and posture, feedback signals and musculoskeletal discomfort...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28802421/symptomatic-medial-humeral-epicondylar-fracture-non-union-rare-presentation-of-a-relatively-common-injury
#11
Vidisha S Kulkarni, Nitish Arora, Harshit Gehlot, Sagar Saxena, Sunil G Kulkarni, Supreet Bajwa
BACKGROUND: Symptomatic non-union of medial humeral epicondylar fractures is a limited entity. Some studies recommend surgical excision of the fragment, but the results are controversial. The purpose of this study is to evaluate the outcome of open reduction and internal fixation of a medial epicondyle non-union fragment. MATERIALS AND METHODS: A retrospective study was conducted in all the patients, who were operated in our hospital between the year 2010 and 2015 for symptomatic medial humeral epicondyle non-union...
August 2017: Injury
https://www.readbyqxmd.com/read/28802327/three-dimensional-motion-capture-applied-to-violin-playing-a-study-on-feasibility-and-characterization-of-the-motor-strategy
#12
Andrea Ancillao, Bernardo Savastano, Manuela Galli, Giorgio Albertini
BACKGROUND AND OBJECTIVE: Playing string instruments requires advanced motor skills and a long training that is often spent in uncomfortable postures that may lead to injuries or musculoskeletal disorders. Thus, it is interesting to objectively characterize the motor strategy adopted by the players. In this work, we implemented a method for the quantitative analysis of the motor performance of a violin player. METHODS: The proposed protocol takes advantage of an optoelectronic system and some infra-red reflecting markers in order to track player's motion...
October 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28802220/comparison-of-lower-limb-muscle-strength-between-diabetic-neuropathic-and-healthy-subjects-using-opensim
#13
Alessandra Scarton, Ilse Jonkers, Annamaria Guiotto, Fabiola Spolaor, Gabriella Guarneri, Angelo Avogaro, Claudio Cobelli, Zimi Sawacha
Diabetes neuropathy and vasculopathy are the two major complications of diabetes mellitus, leading to diabetic foot disease, of which the worst consequences are plantar ulcers and amputations. Motor impairments like joint stiffness and loss of balance are distinctive effects of diabetes and they have been extensively explored. However, while altered muscle function has been also assessed through experimentally measured surface electromyography, little is known about muscle forces. The objective of this study was to estimate muscle forces in subjects with diabetes and to use these data to identify differences with respect to a population of healthy subjects matched for age and BMI...
July 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28801877/are-barbed-sutures-associated-with-90-day-reoperation-rates-after-primary-tka
#14
Daniel C Austin, Benjamin J Keeney, Brendan E Dempsey, Karl M Koenig
BACKGROUND: Studies have suggested that barbed sutures for wound closure in TKAs are an acceptable alternative to standard methods. However others have observed a higher risk of wound-related complications with barbed sutures. QUESTIONS/PURPOSES: (1) Do 90-day TKA reoperation rates differ between patients undergoing a barbed suture arthrotomy closure compared with a traditional interrupted closure? (2) Do the 90-day reoperation rates of wound-related, deep infection, and arthrotomy failure complications differ between barbed suture and traditional closures? METHODS: A retrospective analysis of a longitudinally maintained institutional primary TKA database was conducted on all TKAs performed between April 2011 and September 2015...
August 11, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28801412/health-practitioners-perceptions-of-adopting-clinical-prediction-rules-in-the-management-of-musculoskeletal-pain-a-qualitative-study-in-australia
#15
Joan Kelly, Michele Sterling, Trudy Rebbeck, Aila Nica Bandong, Andrew Leaver, Martin Mackey, Carrie Ritchie
OBJECTIVES: To investigate health practitioners' understanding and practice behaviours with regards to clinical prediction rules (CPRs) and explore their perceptions of adopting a new whiplash CPR. DESIGN: Qualitative study using six semistructured focus groups. SETTING: Primary and secondary care in New South Wales and Queensland, Australia. PARTICIPANTS: Physiotherapists (n=19), chiropractors (n=6) and osteopaths (n=3) were purposively sampled to include health practitioners who provide routine treatment to people with whiplash-associated disorders...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28801032/physiotherapy-for-patients-with-shoulder-pain-in-primary-care-a-descriptive-study-of-diagnostic-and-therapeutic-management
#16
Y H J M Karel, G G M Scholten-Peeters, M Thoomes-de Graaf, E Duijn, J B van Broekhoven, B W Koes, A P Verhagen
BACKGROUND: Shoulder pain is one of the three main musculoskeletal complaints and more than 50% of the patients have symptoms longer than 6 months. Until now, limited data exist about the content of physiotherapy for patients with shoulder pain in primary care. OBJECTIVE: Describe current physiotherapeutic diagnostic- and therapeutic management, including the use of diagnostic ultrasound, in patients with shoulder pain in primary care. DESIGN AND SETTING: A prospective cohort study in primary care physiotherapy with a 12 week follow-up...
November 28, 2016: Physiotherapy
https://www.readbyqxmd.com/read/28801031/substitution-of-doctors-with-physiotherapists-in-the-management-of-common-musculoskeletal-disorders-a-systematic-review
#17
REVIEW
Darryn Marks, Tracy Comans, Leanne Bisset, Paul A Scuffham
BACKGROUND: There is large variation in models-of-care involving the professional substitution of doctors with physiotherapists. OBJECTIVE: To establish the impact upon patients and health services, of substituting doctors with physiotherapists in the management of common musculoskeletal disorders. DATA SOURCES: Medline, CINAHL and ABI Complete databases, and hand-searching of related studies. STUDY SELECTION: Randomised and non-randomised clinical trials, inter-rater reliability and comparative studies comparing the outcomes of usual care from doctors, with outcomes when the doctor was substituted with a physiotherapist...
November 28, 2016: Physiotherapy
https://www.readbyqxmd.com/read/28800763/causes-trends-and-severity-of-musculoskeletal-injuries-in-ghana
#18
Eric Lawer Torgbenu, Emmanuel K Nakua, Henry Kyei, Eric Badu, Maxwell Peprah Opoku
BACKGROUND: Musculoskeletal [MSK] injuries are common causes of long-term pain and physical disability which affect many people worldwide. The economic and social impacts on the individual, society and national health systems are enormous making a matter of public health concern. Therefore, this study examined the causes and extent of MSK injuries in a referral hospital in Ghana. METHODS: A prospective study design with consecutive sampling method was used to recruit patients admitted at Trauma Unit as well as those receiving orthopaedic reviews at St...
August 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28800436/tactile-acuity-testing-at-the-neck-a-comparison-of-methods
#19
Daniel S Harvie, Joan Kelly, Hayden Buckman, Jonathan Chan, Grace Sutherland, Mark Catley, James Novak, Neil Tuttle, Michele Sterling
BACKGROUND: Interest in measurement of tactile acuity in musculoskeletal practice has emerged following its link to functional reorganization of the somatosensory cortex in ongoing pain states. Several tactile acuity measurement methods have been described but have not been thoroughly investigated in the cervical region. OBJECTIVE: This study examined reliability, concurrent validity and responsiveness of four tests of tactile acuity-Two-point discrimination, Point-to-point, Graphesthesia, and Localisation tests-at the cervical region...
July 29, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28800349/musculoskeletal-disorders-personality-traits-psychological-distress-and-accident-proneness-of-chinese-coal-miners
#20
Mingming Deng, Feng Wu, Jun Wang, Linyan Sun
BACKGROUND: Human factors comprise one of the important reasons leading to the casualty accidents in coal mines. OBJECTIVE: The aim of this study was to analyze the relationships among musculoskeletal disorders (MSDs), personality traits, psychological distress, and accident proneness of coal miners. PARTICIPANTS: There were 1500 Chinese coal miners surveyed in this study. Among these miners, 992 valid samples were obtained. METHODS: The study surveyed the MSDs, personality traits, psychological distress, and accident proneness of coal miners with MSDs Likert scale, Eysenck personality questionnaire, Symptom Checklist-90 (SCL-90) scale, and accident proneness questionnaire, respectively...
2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
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