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Neck strength

Jaewon Yang, Namki Hong, Jee-Seon Shim, Yumie Rhee, Hyeon Chang Kim
Background: Type 2 diabetes mellitus is associated with an increased risk of osteoporotic fracture despite relatively preserved bone mineral density (BMD). Although this paradox might be attributed to the influence of insulin resistance (IR) on bone structure and material properties, the association of IR with femur bone geometry and strength indices remains unclear. Methods: Using data from the Cardiovascular and Metabolic Disease Etiology Research Center cohort study, we conducted a cross-sectional analysis among nondiabetic postmenopausal women...
May 2018: Journal of Bone Metabolism
Yixue Luo, Chenyu Luo, Yuhui Cai, Tianyun Jiang, Tianhong Chen, Wenyue Xiao, Junchao Guo, Yubo Fan
The different mechanical stimulus affects the bone mass and bone strength. The aim of this study was to investigate the effect of landing posture of the hoopster and paratrooper on the bone mass. In this study, 39 male participants were recruited including 13 paratroopers, 13 hoopsters, and 13 common students (control groups). Bone area (BA), BMD and BMC of calcaneus, and 1-5th of the metatarsus, hip, and lumbar spine (L1 -L4 ) were measured by the dual-energy X-ray absorptiometry. Also, the vertical ground reaction forces (GRFs) of hoopsters and paratroopers were measured by the landing of 1...
2018: Journal of Healthcare Engineering
Jennifer L Spiegel, Yiannis Pilavakis, Martin Canis, Christian Welz
Background: The pedicled supraclavicular artery island flap (SCAIF) for reconstruction of the head and neck has been shown to be a pliable alternative to established pedicled flaps, such as the pectoralis major myocutaneous flap. Because there are limited published data regarding shoulder morbidity after SCAIF procedure, we aimed to investigate it with 2 established questionnaires for the upper extremity [Constant-Murley score and Disabilities of the Arm, Shoulder and Hand Outcome Measure (DASH) score]...
April 2018: Plastic and Reconstructive Surgery. Global Open
Bertil Lundborg, Wilhelmus Ja Grooten
BACKGROUND: Many professional musicians report performance- related musculoskeletal disorders (PRMDs). Evidence shows that resistance training programs are preventive for musculoskeletal disorders, but only a few studies have been performed among musicians. OBJECTIVE: The aim of this study was to evaluate whether a functional resistance training program can increase isometric back endurance and isometric strength in the neck, shoulder, and wrist for professional string musicians and affect their perceived performance during instrumental play, as well as their muscle and joint mobility and the occurrence and intensity of pain...
June 2018: Medical Problems of Performing Artists
A M Heredia-Rizo, I Navarro-Carmona, F Piña-Pozo
Aims To assess the impact of dry needling on neural mechanosensitivity and grip strength in male subjects with a history of persistent pain in the neck/shoulder area. Methods Case series study. Eight male subjects (mean age 25±6.24 years) with a recurrent history of bilateral neck/shoulder pain for at least 6 months, and with symptoms provoked by neck/shoulder postures or movement were recruited from a University-based clinical research center. Measurements were taken at baseline, immediately after intervention, and fifteen days later, of the pressure pain threshold (PPT) over the median, ulnar, and radial nerves, and the tibialis anterior (TA) muscle...
December 29, 2017: Scandinavian Journal of Pain
B Degeorge, L Athlani, F Dap, G Dautel
The Tactys® implant is a total anatomic gliding and modular prosthesis for proximal interphalangeal (PIP) arthritis. We report the clinical and radiographic results of this implant with a minimum follow-up of 12 months. Thirty-three implants in 27 patients with a mean age of 67 years were reviewed. Surgical approach was mid-line dorsal and trans-tendinous. Postoperative active motion was performed with a protective splint for 4 weeks. All patients were evaluated (pain, range of motion, strength, function through QuickDASH and PRWE scores, X-rays) by an independent examiner...
May 31, 2018: Hand Surgery and Rehabilitation
Jacqueline K Benfield, Lisa F Everton, Philip M Bath, Timothy J England
OBJECTIVE: To describe and systematically review the current evidence on the effects of swallow therapy augmented by biofeedback in adults with dysphagia (PROSPERO 2016:CRD42016052942). DATA SOURCES: Two independent reviewers conducted searches which included MEDLINE, EMBASE, trial registries and grey literature up to December 2016. STUDY SELECTION: Randomised controlled trials (RCTs) and non-RCTs were assessed, including for risk of bias and quality...
May 30, 2018: Archives of Physical Medicine and Rehabilitation
Saulo Martelli, Egon Perilli
Time-elapsed micro-computed-tomography (μCT) imaging allows studying bone micromechanics. However, no study has yet performed time-elapsed μCT imaging of human femoral neck fractures. We developed a protocol for time-elapsed synchrotron μCT imaging of the microstructure in the entire proximal femur, while inducing clinically-relevant femoral neck fractures. Three human cadaver femora (females, age: 75-80 years) were used. The specimen-specific force to be applied at each load step was based on the specimens' strength estimated a priori using finite-element analysis of clinical CT images...
May 22, 2018: Journal of the Mechanical Behavior of Biomedical Materials
Baokun Zhang, Jingwen Liu, Wei Zhang
Purpose: The purpose of this study is to verify whether the headless cannulated compression screw (HCCS) has higher biomechanical stability than the ordinary cannulated compression screw (OCCS) in the treatment of vertical femoral neck fractures. Materials and Methods: 30 synthetic femur models were equally divided into 2 groups, with 50°, 60°, and 70° Pauwels angle of femoral neck fracture, under 3D printed guiding plates and C-arm fluoroscopic guidance. The femur molds were fixed with three parallel OCCSs as OCCS group and three parallel HCCSs as HCCS group...
2018: BioMed Research International
Raúl A Rosario-Concepción, Juan Carlos Pérez, Claudia Jiménez, Walter R Frontera, Carmen López-Acevedo
Introduction: Brown-Séquard Syndrome (BSS) is one of the rarest incomplete spinal cord syndromes. The combination of injuries to peripheral nerves and the central nervous system result in an array of symptoms that can result in overlapping clinical presentations and delayed diagnosis. Early detection of spinal cord injury in patients with peripheral nerve injury has been observed to have a positive effect on outcomes. Case presentation: This report discusses the case of a 29-year-old male patient with Brown-Sequard-Plus Syndrome (BSPS) and Brachial Plexopathy (BP) secondary to gunshot wound in the left inferior neck...
2018: Spinal Cord Series and Cases
Ming Gu, Longwei Lv, Feng Du, Tianxiao Niu, Tong Chen, Dandan Xia, Siyi Wang, Xiao Zhao, Jianzhang Liu, Yunsong Liu, Chunyang Xiong, Yongsheng Zhou
In recent years, dental implants have become the preferred approach for the restoration of missing teeth. At present, most dental implants are made of pure titanium, and are affected by peri-implantitis and bone resorption, which usually start from the implant neck, due to the complex environment in this region. To address these issues, in this study we modified the surface of titanium (Ti) implants to exploit the antibacterial and osteoinductive effects of single-layer graphene sheets. Chemical vapor deposition (CVD)-grown single-layer graphene sheets were transferred to titanium discs, and a method for improving the adhesion strength of graphene on Ti was developed due to compromised adhesion strength between graphene and titanium surface...
May 25, 2018: Scientific Reports
Kellie L Hawkins, Long Zhang, Derek K Ng, Keri N Althoff, Frank J Palella, Lawrence A Kingsley, Lisa P Jacobson, Joseph B Margolick, Jordan E Lake, Todd T Brown, Kristine M Erlandson
OBJECTIVE: The relationships between frailty and body composition in older adults with HIV infection are poorly understood. We sought to describe associations between frailty and measures of body composition among adult men with HIV and without HIV DESIGN/METHODS:: Men with and without HIV (age 50-69 years) in the Multicenter AIDS Cohort Study (MACS) Bone Strength Substudy were included if evaluated for frailty (by Fried phenotype) and body composition (body mass index [BMI], waist circumference [WC], abdominal visceral [VAT] and subcutaneous [SAT] adipose tissue, sarcopenia, and osteopenia/osteoporosis)...
May 1, 2018: AIDS
Min Fang, Wencheng Huang, Dan Mo, Wei Zhao, Rongyong Huang
BACKGROUND/AIMS: CTLA-4 polymorphisms are associated with susceptibility to various cancers, but the results are often conflicting. Hence, we performed a comprehensive meta-analysis to quantitatively investigate the association between CTLA-4 polymorphisms (rs231775, rs4553808,rs5742909, rs3087243 or rs733618) and cancer risk. METHODS: Data were collected from PubMed and Web of Science. A total of 67 case-control studies were selected for quantitative analysis...
May 18, 2018: Cellular Physiology and Biochemistry
Salvatore Campanella, Elisa Schroder, Marie-Anne Vanderhasselt, Chris Baeken, Charles Kornreich, Paul Verbanck, Boris Burle
Inhibitory control, a process deeply studied in laboratory settings, refers to the ability to inhibit an action once it has been initiated. A common way to process data in such tasks is to take the mean response time (RT) and error rate per participant. However, such an analysis ignores the strong dependency between spontaneous RT variations and error rate. Conditional accuracy function (CAF) is of particular interest, as by plotting the probability of a response to be correct as a function of its latency, it provides a means for studying the strength of impulsive responses associated with a higher frequency of fast response errors...
May 1, 2018: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
Dominik Knierzinger, Christian H Heinrichs, Clemens Hengg, Marko Konschake, Franz Kralinger, Werner Schmoelz
BACKGROUND: Sufficient tuberosity fixation in proximal humeral fractures treated with shoulder arthroplasty is essential to gain a good clinical outcome. This biomechanical study evaluated the strength of the reattached tuberosities in reverse total shoulder arthroplasty fixed with cables or with sutures in a cerclage-like technique. Considering the mechanical advantages of flexible titanium alloy cables compared with conventional sutures for cerclage-like fixations, we hypothesized that titanium alloy cables would achieve higher fixation strengths of the tuberosities compared with heavy nonabsorbable sutures...
May 17, 2018: Journal of Shoulder and Elbow Surgery
Elise M Gane, Steven M McPhail, Anna L Hatton, Benedict J Panizza, Shaun P O'Leary
PURPOSE: The purpose of this study was to examine the relationship between physical impairments, quality of life and disability in patients following neck dissection, with consideration of patient and clinical characteristics. METHODS: Cross-sectional study of patients < 5 years after neck dissection for head and neck cancer. Quality of life and self-reported disability were measured with the Neck Dissection Impairment Index, Quick Disabilities of the Arm, Shoulder and Hand, and Neck Disability Index...
May 16, 2018: Journal of Cancer Survivorship: Research and Practice
Søren Krogh, Helge Kasch
OBJECTIVE: To investigate the temporal development of neck muscle function following whiplash injuries. DESIGN: A 1-year prospective, controlled observational study. SUBJECTS: A total of 141 individuals exposed to whiplash injury due to rear-end vehicle collisions and 40 age- and sex-matched controls with acute ankle distortion. METHODS: Neck muscle strength and endurance during cervical flexion and extension were measured at 1 week, 1 month, 3 months, 6 months and 1 year after injury...
May 16, 2018: Journal of Rehabilitation Medicine
Vibha Singhal, Karen Campoverde Reyes, Brooke Pfister, Kathryn Ackerman, Meghan Slattery, Katherine Cooper, Alexander Toth, Nupur Gupta, Mark Goldstein, Kamryn Eddy, Madhusmita Misra
BACKGROUND: Mechanical loading improves bone mineral density (BMD) and strength while decreasing fracture risk. Cross-sectional studies show that exercise advantage is lost in oligo-amenorrheic athletes (OA). Longitudinal studies examining the opposing effects of exercise and hypogonadism on bone are lacking in adolescents/young adults. OBJECTIVE: Evaluate differences in bone accrual over 12 months in OA, eumenorrheic athletes (EA) and non-athletes (NA). We hypothesized that bone accrual would be lower in OA than EA and NA, with differences most pronounced at non-weight bearing trabecular sites...
May 11, 2018: Bone
Christine M McDonough, Pengsheng Ni, Kara Peterik, Judith D Hershberg, Lesli R Bell, Leighton Chan, Diane E Brandt, Alan M Jette
OBJECTIVE: To examine the validity of the self-report Work-Disability Functional Assessment Battery (WD-FAB) physical function scales relative to clinician ratings of function and a performance-based functional capacity evaluation: the Physical Work Performance Evaluation (PWPE). DESIGN: Cross-sectional. SETTING: Outpatient rehabilitation. PARTICIPANTS: Adults (n=50) participating in physical therapy for musculoskeletal conditions INTERVENTIONS: Not applicable...
May 9, 2018: Archives of Physical Medicine and Rehabilitation
J A Cauley, A J Burghardt, S L Harrison, P M Cawthon, A V Schwartz, E Barrett Connor, Kristine E Ensrud, Lisa Langsetmo, S Majumdar, E Orwoll
Accelerated bone loss (ABL) shown on routine dual-energy X-ray absorptiometry (DXA) may be accompanied by microarchitectural changes, increased cortical porosity and lower bone strength. To test this hypothesis, we performed a cross-sectional study and used high resolution peripheral quantitative computed tomography (HR-pQCT) scans (SCANCO, Inc., Switzerland) to measure estimated bone strength and microarchitecture in the distal radius and distal and diaphyseal tibia. We studied 1628 men who attended the Year 14 exam of the Osteoporotic Fractures in Men (MrOS) study...
May 11, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
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