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Jennifer R DuBose, Zorana Matić, Maria Fernanda Wong Sala, Joel M Mumma, Colleen S Kraft, Lisa M Casanova, Kimberly Erukunuakpor, Francis T Durso, Victoria L Walsh, Puja Shah, Craig M Zimring, Jesse T Jacob
OBJECTIVE: To identify ways that the built environment may support or disrupt safe doffing of personal protective equipment (PPE) in biocontainment units (BCU). DESIGN: We observed interactions between healthcare workers (HCWs) and the built environment during 41 simulated PPE donning and doffing exercises. SETTING: The BCUs of 4 Ebola treatment facilities and 1 high-fidelity BCU mockup.ParticipantsA total of 64 HCWs (41 doffing HCWs and 15 trained observers) participated in this study...
June 18, 2018: Infection Control and Hospital Epidemiology
Shelain Patel, Parag Garg, M Ali Fazal, Muhammad S Shahid, Derek H Park, Pinak S Ray
BACKGROUND: The reverse camber shoe is commonly used after hallux valgus corrective surgery to offload the forefoot but is associated with back pain and poor compliance. Recent designs of postoperative shoes may obviate the need for a reverse camber. The purpose of this study was to compare the effects of a reverse camber shoe and a noncambered shoe with transitional rigidity after hallux valgus correction. METHODS: A cohort of 80 feet was prospectively studied undergoing surgery at a single NHS trust...
June 1, 2018: Foot & Ankle Specialist
Yasar Tatar, Nejla Gercek, Nusret Ramazanoglu, Irfan Gulmez, Selda Uzun, Goktug Sanli, Cengiz Karagozoglu, Hasan Birol Cotuk
BACKGROUND: Amputee football is a worldwide popular sport with positive physical and psychological effects on the disabled. Amputee players use their hands dominantly for locomotion. However, the effect of using upper extremity which is not accommodated to loading is not very well known. RESEARCH QUESTION: The objective of this study was to determine the load distribution of amputee football players during walking, running and kicking the ball. METHODS: This study was conducted with 15 certified amputee football players (age 24...
June 9, 2018: Gait & Posture
P Salvador-Coloma, M D Arguisuelas, J Doménech-Fernández, D Sánchez-Zuriaga, J J Amer-Cuenca, J Martínez-Gramage, F J Montañez-Aguilera, J F Lisón
INTRODUCTION: Unstable shoes were developed as a walking device to strengthen the lower extremity muscles and reduce joint loading. Many studies have reported increased muscle activity throughout the gait cycle in most of the lower limb muscles in healthy adults using these shoes. However, no previous studies have explored the effects of wearing unstable shoes on trunk muscle activity in patients with chronic low back pain (CLBP). Therefore, the aim of the present study was to compare the activity of selected trunk muscles in patients with CLBP during a gait test while walking wearing unstable shoes or conventional flat shoes (control)...
June 11, 2018: Gait & Posture
Daniel Koska, Jasmin Gaudel, Tobias Hein, Christian Maiwald
BACKGROUND: The popular protocol used to study running motion suffers from problems that lead to a limited ability to generalize the obtained results. Inertial measurement units (IMU) appear to be promising in increasing ecological validity of the collected data. However, quantifying running kinematics utilizing IMU signals is complex and potentially affected by several well-established and less well-known errors. RESEARCH QUESTION: The purpose of this study was to examine the validity of kinematic variables obtained from a single, shoe-mounted IMU using an opto-electronic motion analysis reference system...
June 9, 2018: Gait & Posture
Lynsey Northeast, Charlotte N Gautrey, Lindsay Bottoms, Gerwyn Hughes, Andrew C S Mitchell, Andrew Greenhalgh
BACKGROUND: Chronic ankle instability (CAI) has previously been linked to altered lower limb kinematics and muscle activation characteristics during walking, though little research has been performed analysing the full time-series across the stance and swing phases of gait. RESEARCH QUESTION: The aim of this study was to compare trunk and lower limb kinematics and muscle activity between those with chronic ankle instability and healthy controls. METHODS: Kinematics and muscle activity were measured in 18 (14 males, 4 females) healthy controls (age 22...
June 7, 2018: Gait & Posture
Sandy Wenting Zhou, Audrey Yuan Ching Pang, Eugenie Wei Ting Poh, Chee Fang Chin
BACKGROUND: To describe an unusual case of traumatic globe luxation with optic chiasmal avulsion and review the existing literature on this rare condition for further discussion of mechanisms, diagnosis, and management. METHODS: Case report and review of existing case reports and case series identified through literature search. RESULTS: A 28-year-old woman, with no previous medical history, had left globe luxation and optic chiasm avulsion after being stabbed directly into the left orbit with the use of the stiletto high heel of a shoe...
June 12, 2018: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
Christine D Pollard, Justin A Ter Har, J J Hannigan, Marc F Norcross
Background: Lower extremity injuries are common among runners. Recent trends in footwear have included minimal and maximal running shoe types. Maximal running shoes are unique because they provide the runner with a highly cushioned midsole in both the rearfoot and forefoot. However, little is known about how maximal shoes influence running biomechanics. Purpose: To examine the influence of maximal running shoes on biomechanics before and after a 5-km (5K) run as compared with neutral running shoes...
June 2018: Orthopaedic Journal of Sports Medicine
Mustafa Mohamed Osman Elhadi, Christina Zong-Hao Ma, Wing Kai Lam, Winson Chiu-Chun Lee
BACKGROUND: Long-distance walking is a convenient way for prompting physical activity of elderly people. However, walking ability declines with aging. RESEARCH QUESTION: This study assessed if silicone insoles with heel lifts (named here the prescribed insoles) could facilitate long-distance walking of older adults. METHODS: Fifteen adults aged over 65, who did not have obvious lower-limb problems, walked on a treadmill for totally 60 min in two separate walking sessions: 1) with the prescribed insoles, and 2) with original insoles of the standardized shoes...
June 4, 2018: Gait & Posture
Michael E Hales, John D Johnson
PURPOSE: The study investigated different sport field properties influence on muscular recruitment patterns and metabolic response during a series of running and agility drills. METHODS: Eleven male athletes were fitted with a standard multi-purpose training shoe. The test protocol consisting of four high-intensity trials with 60 seconds rest between trials performed on two fields with different properties. Time-dependent field properties were recorded using ASTM protocol (F-1936)...
June 12, 2018: International Journal of Sports Physiology and Performance
Manon Westra, Jaap J van Netten, Hendrik A Manning, Jeff G van Baal, Sicco A Bus
BACKGROUND: Non-removable knee-high devices, such as a total contact cast (TCC), are recommended for offloading diabetic plantar forefoot ulcers. However, it is insufficiently known how each of the different design characteristics of these devices contribute to offloading the diabetic foot. RESEARCH QUESTION: What is the offloading effect of the different design characteristics that make up a non-removable knee-high cast for people with diabetes and active or previous plantar forefoot ulcers? METHODS: Sixteen persons with diabetes, peripheral neuropathy and a healed or active plantar forefoot ulcer had their plantar pressures measured during walking in a non-removable knee-high device (TCC), in that device made removable (BTCC), in that device made below-ankle (cast shoe), in that cast shoe worn with a different walking sole and in a newly made cast shoe without a custom-moulded foot-device interface...
May 22, 2018: Gait & Posture
Jennifer M Neugebauer, Michael LaFiandra
INTRODUCTION: Ground reaction forces (GRFs) during load carriage differ from unloaded walking. Methods to quantify peak vertical GRF (pGRFvert) of Soldiers walking with loads outside of a laboratory are needed in order to study GRFs during operationally relevant tasks. PURPOSE: Develop a statistically based model to predict pGRFvert during loaded walking from ActiGraph GT3X+ activity monitor (AM) vertical acceleration. METHODS: 15 male Soldiers (25...
June 8, 2018: Medicine and Science in Sports and Exercise
Sobhan Sobhani, Ehsan Sinaei, Alireza Motealleh, Fatemeh Hooshyar, Niloofar Sami Kashkooli, Amin Kordi Yoosefinejad
OBJECTIVE: The purpose of this study was to compare the efficacy of 4 weeks of whole body vibration training on balance in older adults who word two different types of shoes: unstable (unstable group) versus standard shoes (stable group). DESIGN: Randomized, single-blind clinical trial. PARTICIPANTS: Seventy eight eligible older adults were initially enrolled; 59 participants (mean age 69.7±5.3 years) completed the program. INTERVENTION: Participants were randomized 1:1 to an intervention group that received whole body vibration with unstable shoes, and a control group that received whole body vibration with standard shoes...
May 30, 2018: Archives of Gerontology and Geriatrics
Marcin Derlatka, Mariusz Bogdan
Biometrics is currently an area that is both very interesting as well as rapidly growing. Among various types of biometrics the human gait recognition seems to be one of the most intriguing. However, one of the greatest problems within this field of biometrics is the change in gait caused by footwear. A change of shoes results in a significant lowering of accuracy in recognition of people. The following work presents a method which uses data gathered by two sensors: force plates and Microsoft Kinect v2 to reduce this problem...
May 21, 2018: Sensors
Tadesse Hailu, Megbaru Alemu, Bayeh Abera, Wondemagegn Mulu, Endalew Yizengaw, Ashenafi Genanew, Fetlework Bereded
Background: Soil-transmitted helminths and Schistosoma mansoni infections are the major causes of morbidity and mortality in Sub-Saharan countries. The highest burden of the disease resides in school-age children. Poor water sanitation and hygiene are believed to be the major contributing factors for the high prevalence. Therefore, the goal of this study was to determine the prevalence of intestinal parasite infections in rural Bahir Dar, Northwest Ethiopia. Methods: A cross-sectional study was conducted from April 2017-June 2017 among 409 randomly selected primary school children...
2018: Tropical Diseases, Travel Medicine and Vaccines
Moira McRitchie, Helen Branthwaite, Nachiappan Chockalingam
Background: A high percentage of the population report footwear related foot pain, yet there is limited research on the effect footwear has on the development of this pain. The aim of this study was to establish whether footwear purchased by patients have an association with foot pain and what choices determined a purchase decision. Methods: Shape and size measurements of the dominant foot and footwear (length and width) were taken from 67 female participants who routinely received podiatric treatment...
2018: Journal of Foot and Ankle Research
Gosia Speed, Kate Harris, Tessa Keegel
This systematic review updates the current state of evidence on the effectiveness of softer flooring and cushioned shoe insoles on reducing musculoskeletal discomfort amongst workers who are required to stand for prolonged periods to work and the impact of factors such as age and gender on the outcomes. A systematic search identified 10 unique studies that met the eligibility criteria. The heterogeneity of study designs impacted on the strength of evidence. A moderate level of evidence was found in support of using cushioned materials in reducing discomfort/fatigue among standing workers...
July 2018: Applied Ergonomics
Taylor Jones, Arian Iraqi, Kurt Beschorner
No abstract text is available yet for this article.
July 2018: Applied Ergonomics
Arian Iraqi, Rakié Cham, Mark S Redfern, Kurt E Beschorner
Measuring the available coefficient of friction (ACOF) of a shoe-floor interface is influenced by the choice of normal force, shoe-floor angle and sliding speed. The purpose of this study was to quantify the quality of slip prediction models based on ACOF values measured across different testing conditions. A dynamic ACOF measurement device that tests entire footwear specimens (Portable Slip Simulator) was used. The ACOF was measured for nine different footwear-contaminant combinations with two levels of normal force, sliding speed and shoe-floor angle...
July 2018: Applied Ergonomics
Ana-María Díaz-Díaz, Bárbara Sánchez-Silva, Javier Tarrío-Saavedra, Jorge López-Beceiro, Julia Janeiro-Arocas, Carlos Gracia-Fernández, Ramón Artiaga
PURPOSE: This work shows an effective methodology to evaluate the dynamic viscoelastic behavior of silicones for application in podiatry. The aim is to characterize, compare their viscoelastic properties according to the dynamic stresses they can be presumably subjected when used in podiatry orthotic applications. These results provide a deeper insight which extends the previous creep-recovery results to the world of dynamic stresses developed in physical activity. In this context, it shoulod be taken into account that an orthoses can subjected to a set of static and dynamic shear and compressive forces...
May 26, 2018: Journal of the Mechanical Behavior of Biomedical Materials
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