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https://www.readbyqxmd.com/read/28344451/retrospective-injury-epidemiology-and-risk-factors-for-injury-in-crossfit
#1
Alicia M Montalvo, Hilary Shaefer, Belinda Rodriguez, Tan Li, Katrina Epnere, Gregory D Myer
The objective of the study is to examine injury epidemiology and risk factors for injury in CrossFit athletes. A survey was administered to athletes at four owner-operated facilities in South Florida. Respondents reported number, location of injury, and training exposure from the preceding six months and answered questions regarding potential risk factors for injury. Fifty out of 191 athletes sustained 62 injuries during CrossFit participation in the preceding six months. The most frequently injured locations were the shoulder, knee, and lower back...
March 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28339418/survey-of-kinesiologists-functional-capacity-evaluation-practice-in-canada
#2
Kathryn E Sinden, Taya L McGillivary, Elizabeth Chapman, Steven L Fischer
BACKGROUND: In Canada, functional capacity evaluations (FCEs) are commonly administered by several health care professions including kinesiologists. Kinesiologists have been recently regulated as health care professionals in Ontario and we know little about their demographics, the frequency of FCE administration, or the types of FCEs used by this group. OBJECTIVE: The purposes of this study were to identify: 1) the demographic characteristics and FCE education of kinesiology FCE practitioners; 2) the FCE systems most used by these practitioners and 3) the constructs from assessments used to determine functional capacity...
March 23, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28320364/the-weight-of-pupils-schoolbags-in-early-school-age-and-its-influence-on-body-posture
#3
Anna Brzęk, Tarja Dworrak, Markus Strauss, Fabian Sanchis-Gomar, Ibtissam Sabbah, Birgit Dworrak, Roman Leischik
BACKGROUND: Postural development progresses through a series of stages (growth spurts, development of balance and coordination, postural stability) which occur when children are at school age. The reduction in the level of physical activity, increased body weight, overloaded school bags, asymmetry of the backpack straps, the method of putting on and taking off the backpacks and increased usage of electronic devices have negative side effects such as bad body posture habits. METHODS: A prospective cohort study in the group of 155 pupils at early school age 7-9 years old has been conducted...
March 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28319141/heightened-clinical-utility-of-smartphone-versus-body-worn-inertial-system-for-shoulder-function-b-b-score
#4
Claude Pichonnaz, Kamiar Aminian, Céline Ancey, Hervé Jaccard, Estelle Lécureux, Cyntia Duc, Alain Farron, Brigitte M Jolles, Nigel Gleeson
BACKGROUND: The B-B Score is a straightforward kinematic shoulder function score including only two movements (hand to the Back + lift hand as to change a Bulb) that demonstrated sound measurement properties for patients for various shoulder pathologies. However, the B-B Score results using a smartphone or a reference system have not yet been compared. Provided that the measurement properties are comparable, the use of a smartphone would offer substantial practical advantages. This study investigated the concurrent validity of a smartphone and a reference inertial system for the measurement of the kinematic shoulder function B-B Score...
2017: PloS One
https://www.readbyqxmd.com/read/28293139/a-vortex-model-for-forces-and-moments-on-low-aspect-ratio-wings-in-side-slip-with-experimental-validation
#5
Adam C DeVoria, Kamran Mohseni
This paper studies low-aspect-ratio ([Formula: see text]) rectangular wings at high incidence and in side-slip. The main objective is to incorporate the effects of high angle of attack and side-slip into a simplified vortex model for the forces and moments. Experiments are also performed and are used to validate assumptions made in the model. The model asymptotes to the potential flow result of classical aerodynamics for an infinite aspect ratio. The [Formula: see text] → 0 limit of a rectangular wing is considered with slender body theory, where the side-edge vortices merge into a vortex doublet...
February 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28288842/thermo-sensitive-isopentane-aerification-for-mucosal-lift-during-endoscopic-resection-in-animal-models-with-video
#6
Wenjie Liu, Min Wang, Lili Zhao, Min Wang, Xiang Wang, Zhining Fan, Li Liu
BACKGROUND AND AIMS: Mucosal lift is critical for successful endoscopic treatment. Normal saline solution (NS) is widely used as the submucosal filler, but its short persistency restricts clinical endoscopic submucosal dissection (ESD) procedure. In this study, thermo-sensitive isopentane was introduced for submucosal injection. With a 27.8°C boiling point, liquid isopentane could be easily applied, whereas gasification inflation could provide great support for submucosal lifting at body temperature...
March 10, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28285746/single-and-multiple-step-balance-recovery-responses-can-be-different-at-first-step-lift-off-following-lateral-waist-pull-perturbations-in-older-adults
#7
Masahiro Fujimoto, Woei-Nan Bair, Mark W Rogers
An inability to recover lateral balance with a single step is predictive of future falls in older adults. This study investigated if balance stability at first step lift-off (FSLO) would be different between multiple and single stepping responses to lateral perturbations. 54 healthy older adults received left and right waist-pulls at 5 different intensities (levels 1-5). Crossover stepping responses at and above intensity level 3 that induced both single and multiple steps were analyzed. Whole-body center of mass (COM) and center of pressure (COP) positions in the medio-lateral direction with respect to the base of support were calculated...
February 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28272275/the-lipo-body-lift-a-new-circumferential-body-contouring-technique-useful-after-bariatric-surgery
#8
Sandy Dast, Christian Herlin, Richard Vaucher, Razvan Mercut, Lidia Dessena, Raphael Sinna
No abstract text is available yet for this article.
March 7, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28261383/malnutrition-negatively-impacts-the-quality-of-life-of-patients-with-cirrhosis-an-observational-study
#9
Gabriela Rojas-Loureiro, Alfredo Servín-Caamaño, Elizabeth Pérez-Reyes, Luis Servín-Abad, Fátima Higuera-de la Tijera
AIM: To verify how malnutrition is related to health-related quality of life (HRQL) impairment in patients with cirrhosis. METHODS: Data was retrospectively abstracted from medical records and obtained by direct interview. We included patients with cirrhosis from any etiology, evaluated at the Liver Clinic from Gastroenterology Department in a tertiary healthcare center, from June 2014 to June 2016. Child-Pugh score, data about complications, and demographic, clinical and anthropometric characteristics of patients were obtained...
February 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28259558/patient-satisfaction-body-image-and-quality-of-life-after-lower-body-lift-a-prospective-pre-and-postoperative-long-term-survey
#10
Martin F Vierhapper, Anna Pittermann, Stefan Hacker, Hugo B Kitzinger
BACKGROUND: Body contouring surgery after massive weight loss remains a fast growing field due to the rising number of postbariatric surgery patients, and it can improve patients' quality of life substantially. Patient expectations in these procedures are very high, but only little is known as to whether these procedures have a long lasting influence on body image, patient satisfaction, and quality of life. SETTING: University hospital, Austria. METHODS: We evaluated 40 consecutive female patients who underwent a lower body lift between 2009 and 2013...
January 11, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28252072/supersolid-formation-in-a-quantum-gas-breaking-a-continuous-translational-symmetry
#11
Julian Léonard, Andrea Morales, Philip Zupancic, Tilman Esslinger, Tobias Donner
The concept of a supersolid state combines the crystallization of a many-body system with dissipationless flow of the atoms from which it is built. This quantum phase requires the breaking of two continuous symmetries: the phase invariance of a superfluid and the continuous translational invariance to form the crystal. Despite having been proposed for helium almost 50 years ago, experimental verification of supersolidity remains elusive. A variant with only discrete translational symmetry breaking on a preimposed lattice structure-the 'lattice supersolid'-has been realized, based on self-organization of a Bose-Einstein condensate...
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28251054/surface-curvature-differentially-regulates-stem-cell-migration-and-differentiation-via-altered-attachment-morphology-and-nuclear-deformation
#12
Maike Werner, Sébastien B G Blanquer, Suvi P Haimi, Gabriela Korus, John W C Dunlop, Georg N Duda, Dirk W Grijpma, Ansgar Petersen
Signals from the microenvironment around a cell are known to influence cell behavior. Material properties, such as biochemical composition and substrate stiffness, are today accepted as significant regulators of stem cell fate. The knowledge of how cell behavior is influenced by 3D geometric cues is, however, strongly limited despite its potential relevance for the understanding of tissue regenerative processes and the design of biomaterials. Here, the role of surface curvature on the migratory and differentiation behavior of human mesenchymal stem cells (hMSCs) has been investigated on 3D surfaces with well-defined geometric features produced by stereolithography...
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28242815/muscle-and-liver-glycogen-utilization-during-prolonged-lift-and-carry-exercise-male-and-female-responses
#13
Thomas B Price, Kimberly Sanders
This study examined the use of carbohydrates by men and women during lift/carry exercise. Effects of menstrual cycle variation were examined in women. Twenty-five subjects (15 M, 10 F) were studied; age 25 ± 2y M, 26 ± 3y F, weight 85 ± 3 kg* M, 63 ± 3 kg F, and height 181 ± 2 cm* M, 161 ± 2 cm F (* P < 0.0001). During exercise subjects squatted to floor level and lifted a 30 kg box, carried it 3 m, and placed it on a shelf 132 cm high 3X/min over a 3-hour period (540 lifts) or until they could not continue...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28242097/cutaneous-basidiobolomycosis-seven-cases-in-southern-benin
#14
F Atadokpédé, J Gnossikè, H Adégbidi, B Dégboé, Y Sissinto-Savi de Tovè, A Adéyé, C Koudoukpo, A Chauty, D Chabasse, J-P Saint-André, M-T Dieng, M-C Koeppel, H-G Yedomon, F do-Ango-Padonou
BACKGROUND: Cutaneous basidiobolomycosis is the most common form of entomophthoramycosis. Herein we report seven cases of cutaneous basidiobolomycosis. PATIENTS AND METHODS: A retrospective observational study was conducted at the Buruli ulcer treatment centre in Pobè and at the national teaching hospital in Cotonou from 2010 to 2015. RESULTS: Seven cases of cutaneous basidiobolomycosis were diagnosed. The mean patient age was 9.53 years...
February 24, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28237075/rasch-analysis-indicates-that-the-simple-shoulder-test-is-robust-but-minor-item-modifications-and-attention-to-gender-differences-should-be-considered
#15
Jayaprakash Raman, Joy C MacDermid, David Walton, George S Athwal
STUDY DESIGN: Repeated cross-sectional study. INTRODUCTION: Multiple studies have evaluated the psychometric properties of the Simple Shoulder Test (SST) through traditional methods supporting it as valid and reliable. Since the evidentiary pool supporting the use of the SST has only partially addressed key measurement properties and the development of SST pre-dates the common use of Rasch model, validation of SST has become a necessity to establish as a reliable and valid PRO for shoulder conditions...
February 22, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28235906/speed-dependent-modulation-of-wing-muscle-recruitment-intensity-and-kinematics-in-two-bat-species
#16
Nicolai Konow, Jorn A Cheney, Thomas J Roberts, Jose Iriarte-Díaz, Kenneth S Breuer, J Rhea S Waldman, Sharon M Swartz
Animals respond to changes in power requirements during locomotion by modulating the intensity of recruitment of their propulsive musculature, but many questions concerning how muscle recruitment varies with speed across modes of locomotion remain unanswered. We measured average muscle recruitment intensity (aEMG) for pectoralis major and biceps brachii at different flight speeds in two relatively distantly related bat species: the aerial insectivore Eptesicus fuscus, and the primarily fruit eating Carollia perspicillata These ecologically distinct species employ different flight behaviors but possess similar wing aspect ratio, wing loading and body mass...
February 24, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28214616/exploring-factors-influencing-low-back-pain-in-people-with-nondysvascular-lower-limb-amputation-a-national-survey
#17
Hemakumar Devan, Paul Hendrick, Leigh Hale, Allan Carman, Michael P Dillon, Daniel Cury Ribeiro
BACKGROUND: Chronic low back pain (LBP) is a common musculoskeletal impairment in people with lower limb amputation. Given the multifactorial nature of LBP, exploring the factors influencing the presence and intensity of LBP is warranted. OBJECTIVE: To investigate which physical, personal, and amputee-specific factors predicted the presence and intensity of LBP in persons with nondysvascular transfemoral amputation (TFA) and transtibial amputation (TTA). DESIGN: A retrospective cross-sectional survey...
March 2, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28211058/a-feasibility-study-of-a-hybrid-breast-immobilization-system-for-early-breast-cancer-in-proton-beam-therapy
#18
Takeshi Arimura, Takashi Ogino, Takashi Yoshiura, Mitsugi Matsuyama, Naoaki Kondo, Hideki Miyazaki, Akari Sakuragi, Takayuki Ohara, Etsuyo Ogo, Yoshio Hishikawa
PURPOSE: We aimed to develop a new breast-immobilizing system for proton beam therapy (PBT) of early breast cancer (EBC) that would provide the optimum breast shape during the treatment as well as increased fixation reliability by reducing the influence of respiratory movement. METHODS: The breast-immobilizing system (HyBIS; Hybrid Breast-Immobilizing System) consists of a whole body immobilization system (WBIS), position converting device (to change patient position), photo scanning system, breast cup (made using a three-dimensional printer), breast cup fitting apparatus, breast cup holding device (to ensure the breast remains lifted in the supine position), and dedicated stretcher fixed to the WBIS (to carry the patient)...
February 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28209380/space-maintaining-management-in-maxillary-sinus-lifting-a-novel-technique-using-a-resorbable-polymeric-thermo-reversible-gel
#19
G Cossellu, G Farronato, D Farronato, G Ceschel, F Angiero
Several techniques have been proposed to achieve sinus floor elevation and the formation of new bone through the grafting of autologous, heterologous, or alloplastic materials. The grafted materials act as a scaffold for bone formation inside the maxillary sinus. This study investigated a non-graft sinus lifting procedure using a resorbable polymeric thermo-reversible gel. A space-maintaining approach to sinus lifting, using a resorbable polymeric thermo-reversible gel, was applied in 11 patients undergoing implant treatment in the atrophic posterior maxilla...
February 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28196148/from-the-track-to-the-ocean-using-flow-control-to-improve-marine-bio-logging-tags-for-cetaceans
#20
Giovani Fiore, Erik Anderson, C Spencer Garborg, Mark Murray, Mark Johnson, Michael J Moore, Laurens Howle, K Alex Shorter
Bio-logging tags are an important tool for the study of cetaceans, but superficial tags inevitably increase hydrodynamic loading. Substantial forces can be generated by tags on fast-swimming animals, potentially affecting behavior and energetics or promoting early tag removal. Streamlined forms have been used to reduce loading, but these designs can accelerate flow over the top of the tag. This non-axisymmetric flow results in large lift forces (normal to the animal) that become the dominant force component at high speeds...
2017: PloS One
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