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https://www.readbyqxmd.com/read/28436583/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#1
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
April 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28432379/high-resolution-tomography-based-quantification-of-cortical-porosity-and-cortical-thickness-at-the-surgical-neck-of-the-humerus-during-aging
#2
Tobias Helfen, Christoph M Sprecher, Ursula Eberli, Boyko Gueorguiev, Peter E Müller, Robert G Richards, Florian Schmidutz
Fractures of the proximal humerus are highly related to age and osteoporotic bone remodeling. Previous studies have highlighted the cortex as a major side of the bone loss, but the microstructural changes of the humerus have not been evaluated entirely. Sixty-four (n = 64) humeri of a representative collective (18-100 years) were scanned with high-resolution peripheral quantitative computed tomography (82 µm). Bone mineral density (BMD), trabecular bone volume fraction (Tb.BV/TV), cortical thickness (Ct...
April 21, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28426535/frailty-in-hiv-infected-people-a-new-risk-factor-for-bone-mineral-density-loss
#3
Sylvie Bregigeon, Anne Galinier, Olivia Zaegel-Faucher, Carla E Cano, Véronique Obry, Hélène Laroche, Sophie Trijau, Armelle Saout, Isabelle Poizot-Martin
OBJECTIVE: This study aims to assess the association between bone mineral density (BMD) and frailty in a cohort of HIV-infected patients. DESIGN: A cross-sectional study in an HIV outpatient unit where nearly 1,000 patients are monitored. METHODS: Subjects undergoing bone densitometry were proposed an evaluation of frailty using criteria of the Cardiovascular Health Study (CHS) and the Study of Osteoporotic Fractures (SOF). Frailty markers (FM) were weight-loss, self-reported exhaustion, physical activity, grip strength, chair stands, and slow gait...
April 19, 2017: AIDS
https://www.readbyqxmd.com/read/28412631/effectiveness-of-physiotherapy-interventions-plus-extrinsic-feedback-for-neck-disorders-a-systematic-review-with-meta-analysis
#4
Francisco Xavier de Araujo, Maurício Scholl Schell, Daniel Cury Ribeiro
PURPOSE: To systematically review the effectiveness of Physiotherapy interventions combined with extrinsic feedback (EF) compared to Physiotherapy interventions alone or control for the management of neck pain and disability. METHODS: Randomized clinical trials were searched and retrieved from six databases, from inception through August 2016. Risk of bias of included studies was assessed using the PEDro scale. When possible data were pooled and Meta-analyses were conducted...
April 8, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28411737/neck-posture-during-lifting-and-its-effect-on-trunk-muscle-activation-and-lumbar-spine-posture
#5
Thomas M Hlavenka, Vanessa F K Christner, Diane E Gregory
Neck and head posture have been found to have a significant influence on the posture of the lower spine region during lifting and both an extended/upward gaze and a flexed/downward gaze have been hypothesized to lead to increased pain and/or overuse of the neck musculature. As a result, strength training recommendations have turned to the use of a retracted neck posture as being the safer posture to assume during lifting. This study examined trunk and neck muscle activity and lumbar spine posture in seven participants while performing moderate load lifts using a retracted neck posture (chin drawn in posteriorly; recently gaining popularity among coaches, trainers, and physical therapists to reduce neck pain during lifting, and freestyle neck posture (no instructions given)...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28409514/neck-strength-and-self-reported-neck-dysfunction-what-is-the-impact-of-a-season-of-rugby-union
#6
Danielle M Salmon, S John Sullivan, Phil Handcock, Nancy J Rehrer, Brian Niven
BACKGROUND: Neck strength has been reported to reduce the incidence of concussions and neck injuries. However little is known about how neck strength changes over a playing season. AIM: To understand the impact a 20-week rugby season has on neck strength, neck pain (NP) and neck stiffness (NS) in a cohort of rugby players, relative to a non-contact control group. METHODS: This prospective cohort study employed a fixed-frame dynamometer to measure neck strength in a simulated contact posture in rugby players (n=32) and controls (n=15)...
April 13, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28404575/dietary-protein-and-bone-health-a-systematic-review-and-meta-analysis-from-the-national-osteoporosis-foundation
#7
Marissa M Shams-White, Mei Chung, Mengxi Du, Zhuxuan Fu, Karl L Insogna, Micaela C Karlsen, Meryl S LeBoff, Sue A Shapses, Joachim Sackey, Taylor C Wallace, Connie M Weaver
Background: Considerable attention has recently focused on dietary protein's role in the mature skeleton, prompted partly by an interest in nonpharmacologic approaches to maintain skeletal health in adult life.Objective: The aim was to conduct a systematic review and meta-analysis evaluating the effects of dietary protein intake alone and with calcium with or without vitamin D (Ca±D) on bone health measures in adults.Design: Searches across 5 databases were conducted through October 2016 including randomized controlled trials (RCTs) and prospective cohort studies examining 1) the effects of "high versus low" protein intake or 2) dietary protein's synergistic effect with Ca±D intake on bone health outcomes...
April 12, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28391429/femoral-neck-fracture-osteosynthesis-by-the-biplane-double-supported-screw-fixation-method-bdsf-reduces-the-risk-of-fixation-failure-clinical-outcomes-in-207-patients
#8
Orlin Filipov, Karl Stoffel, Boyko Gueorguiev, Christoph Sommer
INTRODUCTION: Osteosynthesis of femoral neck fractures is related up to 46% rate of complications. The novel method of biplane double-supported screw fixation (BDSF; Filipov's method) offers better stability using three medially diverging cannulated screws with two of them buttressed on the calcar. Biomechanically, the most effective component is the distal screw placed at steeper angle and supported on a large area along the distal and posterior cortex of the femoral neck following its spiral anterior curve...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28382551/high-doses-of-vitamin-c-plus-e-reduce-strength-training-induced-improvements-in-areal-bone-mineral-density-in-elderly-men
#9
Astrid Kamilla Stunes, Unni Syversen, Sveinung Berntsen, Gøran Paulsen, Tonje H Stea, Ken J Hetlelid, Hilde Lohne-Seiler, Mats Peder Mosti, Thomas Bjørnsen, Truls Raastad, Glenn Haugeberg
PURPOSE: Resistance training is beneficial for maintaining bone mass. We aimed to investigate the skeletal effects of high doses of antioxidants [vitamin C + E (α-tocopherol)] supplementation during 12-week supervised strength training in healthy, elderly men METHODS: Design: double-blinded randomized placebo-controlled study. Participants followed a supervised, undulating periodic exercise program with weekly adjusted load: 3 sessions/week and 3-15 repetitions maximum (RM) sets/exercise...
April 5, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28379913/misaligned-versus-straight-placement-of-anterior-cervical-plates-a-clinical-and-radiologic-outcomes-study
#10
Kingsley R Chin, Fabio J R Pencle, Shannon D Francis, Chloe A Francis, Jason A Seale, Elijah A Hothem
BACKGROUND: In anterior cervical diskectomy and fusion (ACDF), misaligned plates are concerning because of the risk of screw-and-plate failure; however, these plates also hypothetically have the potential for asymmetric micromotion on the facet and uncovertebral joint. The aim of this study was to determine whether misaligned plate placement during ACDF had clinical benefits compared with straight plate placement. METHODS: Postoperative AP radiographs of 128 consecutive patients who underwent ACDF with anterior cervical plate (ACP) fixation were reviewed, and plate alignment was assessed...
May 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28379051/the-reliability-of-assessing-sternocleidomastoid-muscle-length-and-strength-in-adults-with-and-without-mild-neck-pain
#11
Michael T Cibulka, Jessica Herren, Anne Kilian, Steven Smith, Fatima Mahmutovic, Courtney Dolles
BACKGROUND: The sternocleidomastoid (SCM) is an important cervical spine muscle. Weakness of the SCM muscle has been implicated with cervical problems. No studies have examined the reliability of assessing the SCM muscle length or strength. Also no studies exist that have looked to see if imbalances in SCM muscle length or strength exists between the left and right sides in those with and without neck pain. OBJECTIVE: To determine the reliability of assessing the SCM muscle for length and strength and to see if SCM length could predict SCM strength in those with and without neck pain...
April 5, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28378797/study-of-the-tensile-properties-of-individual-multicellular-fibres-generated-by-bacillus-subtilis
#12
Xuan Ye, Liang Zhao, Jiecun Liang, Xide Li, Guo-Qiang Chen
Multicellular fibres formed by Bacillus subtilis (B. subtilis) are attracting interest because of their potential application as degradable biomaterials. However, mechanical properties of individual fibres remain unknown because of their small dimensions. Herein, a new approach is developed to investigate the tensile properties of individual fibres with an average diameter of 0.7 μm and a length range of 25.7-254.3 μm. Variations in the tensile strengths of fibres are found to be the result of variable interactions among pairs of microbial cells known as septa...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28378776/locking-plate-alone-versus-in-combination-with-two-crossed-kirschner-wires-for-fifth-metacarpal-neck-fracture
#13
Hongyi Zhu, Zhengyu Xu, Haifeng Wei, Xianyou Zheng
Fracture of fifth metacarpal neck commonly requires open reduction and internal fixation. However, the current methods of internal fixation in fifth metacarpal neck fractures remain unsatisfactory. Patients with fractures of fifth metacarpal neck received open reduction and internal fixation with either locking plate in combination with two crossed Kirschner wires (K-wires) or locking plate alone were evaluated for the clinical outcomes. Clinical outcomes included grip strength, Michigan hand outcomes questionnaire (MHQ), final angulation and range of motion (ROM) one year after treatment...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28378290/associations-between-hip-bone-mineral-density-aortic-calcification-and-cardiac-workload-in-community-dwelling-older-australians
#14
A J Rodríguez, D Scott, A Hodge, D R English, G G Giles, P R Ebeling
In older adults, lower bone density in the proximal femur was associated with increased heart burden, and this association was linked to calcification in the aorta. These results were seen in women but not in men. PURPOSE: To determine whether there is an association between lower bone mineral density (BMD) and increased cardiac workload in older adults, and if this association was independent of abdominal aortic calcification (AAC). METHODS: Three hundred thirty-seven participants [mean ± SD age = 70 ± 5 years and BMI = 28 ± 5 kg/m(2), 61% females] had BMD determined by dual-energy X-ray absorptiometry and AAC determined by radiography...
April 4, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28373146/increased-detection-of-genetic-loci-associated-with-risk-predictors-of-osteoporotic-fracture-using-a-pleiotropic-cfdr-method
#15
Jonathan Greenbaum, Kehao Wu, Lan Zhang, Hui Shen, Jigang Zhang, Hong-Wen Deng
Although GWAS have been successful in identifying some osteoporosis associated loci, the findings explain only a small fraction of the total genetic variance. In this study we use a recently developed novel pleiotropic conditional false discovery rate (cFDR) method to identify novel genetic loci associated with two risk traits for osteoporotic fracture (the clinical outcome and end result of osteoporosis), Height (HT) and Femoral Neck (FNK) BMD. The cFDR method allows us to improve the detection of associated variants by incorporating any potentially shared genetic mechanisms between the two associated traits...
March 31, 2017: Bone
https://www.readbyqxmd.com/read/28369286/a-2-year-follow-up-after-a-2-year-rct-with-vitamin-d-and-exercise-effects-on-falls-injurious-falls-and-physical-functioning-among-older-women
#16
Kirsti Uusi-Rasi, Radhika Patil, Saija Karinkanta, Pekka Kannus, Kari Tokola, Christel Lamberg-Allardt, Harri Sievänen
Background: Both exercise and vitamin D are recommended means to prevent falls among older adults, but their combined effects on fall-induced injuries are scarcely studied. Methods: A 2-year follow-up of a previous 2-year randomized controlled trial with vitamin D and exercise (Ex) of 409 older home-dwelling women using a factorial 2 × 2 design (D-Ex-, D+Ex-, D-Ex+, D+Ex+). Besides monthly fall diaries, femoral neck bone mineral density (fn-BMD), and physical functioning were assessed at 1 and 2 years after the intervention...
March 21, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28366109/reflections-the-value-of-patient-support-groups
#17
Amanda Hu
A patient support group is defined as "a group of people with common experiences and concerns who provide emotional and moral support for one another." Support groups fulfill many functions: educating patients/family, sharing the illness experience, providing strength to its members, raising public awareness, and fundraising. Some research has shown an improvement in quality of life of patients with head and neck cancer who have participated in support groups. A wide variety of support groups are available for otolaryngology patients, ranging from head and neck oncology to tinnitus and spasmodic dysphonia...
April 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28365811/disuse-osteopenia-induced-by-botulinum-toxin-is-similar-in-skeletally-mature-young-and-aged-female-c57bl-6j-mice
#18
Jens Bay Vegger, Annemarie Brüel, Mikkel Bo Brent, Jesper Skovhus Thomsen
Osteopenia and osteoporosis predominately occur in the fully grown skeleton. However, it is unknown whether disuse osteopenia in skeletally mature, but growing, mice resembles that of fully grown mice. Twenty-four 16-week-old (young) and eighteen 44-week-old (aged) female C57BL/6J mice were investigated. Twelve young and nine aged mice were injected with botulinum toxin in one hind limb; the remaining mice served as controls. The mice were euthanized after 3 weeks of disuse. The femora were scanned by micro-computed tomography (µCT) and bone strength was determined by mechanically testing the femoral mid-diaphysis and neck...
April 1, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28365278/a-role-for-plasma-aromatic-amino-acids-in-injurious-pecking-behavior-in-laying-hens
#19
Patrick Birkl, Leonora Franke, T Bas Rodenburg, Ester Ellen, Alexandra Harlander-Matauschek
Injurious pecking, including feather pecking (FP), is one of the most prevalent causes of mortality for commercial laying hens. The underlying biological mechanisms of FP are not yet fully understood, but they could be related to alterations in the serotonin (5-HT) and/or dopamine (DA) circuits within the brain. In the past, the central synthesis of 5-HT and DA was found to be influenced by the availability of their precursors, aromatic amino acids (AAA) such as tryptophan (TRP), phenylalanine (PHE), and tyrosine (TYR), in blood plasma, which are transported across the blood-brain-barrier into the brain...
March 30, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28362373/proximal-cadaveric-femur-preparation-for-fracture-strength-testing-and-quantitative-ct-based-finite-element-analysis
#20
Dan Dragomir-Daescu, Asghar Rezaei, Susheil Uthamaraj, Timothy Rossman, James T Bronk, Mark Bolander, Vincent Lambert, Sean McEligot, Rachel Entwistle, Hugo Giambini, Iwona Jasiuk, Michael J Yaszemski, Lichun Lu
Cadaveric fracture testing is routinely used to understand factors that affect proximal femur strength. Because ex vivo biological tissues are prone to lose their mechanical properties over time, specimen preparation for experimental testing must be performed carefully to obtain reliable results that represent in vivo conditions. For that reason, we designed a protocol and a set of fixtures to prepare the femoral specimens such that their mechanical properties experienced minimal changes. The femora were kept in a frozen state except during preparation steps and mechanical testing...
March 11, 2017: Journal of Visualized Experiments: JoVE
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