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https://www.readbyqxmd.com/read/28338396/should-ballet-dancers-vary-postures-and-under-foot-surfaces-when-practicing-postural-balance
#1
Nili Steinberg, Gordon Waddington, Roger Adams, Janet Karin, Oren Tirosh
BACKGROUND: Postural balance (PB) is an important component skill for professional dancers. However, the effects of different types of postures and different underfoot surfaces on PB have not been adequately addressed. PURPOSE: The main aim of the present study was to investigate the effect of different conditions of footwear, surfaces, and standing positions on static and dynamic PB ability of young ballet dancers. METHOD: Thirty-six male and female young professional ballet dancers (aged 14-19) completed static and dynamic balance testing, measured by head and lumbar accelerometers, while standing on one leg in the turn-out position, under six different conditions: 1...
March 24, 2017: Motor Control
https://www.readbyqxmd.com/read/28334016/does-shoe-heel-design-influence-ground-reaction-forces-and-knee-moments-during-maximum-lunges-in-elite-and-intermediate-badminton-players
#2
Wing-Kai Lam, Jaejin Ryue, Ki-Kwang Lee, Sang-Kyoon Park, Jason Tak-Man Cheung, Jiseon Ryu
BACKGROUND: Lunge is one frequently executed movement in badminton and involves a unique sagittal footstrike angle of more than 40 degrees at initial ground contact compared with other manoeuvres. This study examined if the shoe heel curvature design of a badminton shoe would influence shoe-ground kinematics, ground reaction forces, and knee moments during lunge. METHODS: Eleven elite and fifteen intermediate players performed five left-forward maximum lunge trials with Rounded Heel Shoe (RHS), Flattened Heel Shoe (FHS), and Standard Heel Shoes (SHS)...
2017: PloS One
https://www.readbyqxmd.com/read/28333644/random-forest-classifier-for-zero-shot-learning-based-on-relative-attribute
#3
Yuhu Cheng, Xue Qiao, Xuesong Wang, Qiang Yu
For the zero-shot image classification with relative attributes (RAs), the traditional method requires that not only all seen and unseen images obey Gaussian distribution, but also the classifications on testing samples are made by maximum likelihood estimation. We therefore propose a novel zero-shot image classifier called random forest based on relative attribute. First, based on the ordered and unordered pairs of images from the seen classes, the idea of ranking support vector machine is used to learn ranking functions for attributes...
March 21, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28326869/design-and-evaluation-of-vibratory-shoe-on-balance-control-for-elderly-subjects-technical-note
#4
Atefeh Aboutorabi, Mokhtar Arazpour, Farzam Farahmand, Mahmood Bahramizadeh, Reza Fadayevatan, Ehsan Abdollahi
BACKGROUND AND AIM: Aging often results in a decline in somatosensory function, and such changes are associated with diminished motor performance. Input noise can enhance sensory and motor function through a mechanism known as stochastic resonance (SR). This paper describes the development and testing of a new vibrating shoe to possibly assist the elderly patients in controlling their balance and decreasing their falling risks. TECHNIQUE: The new vibrating shoe was evaluated to ascertain its ability to generate appropriate random and nonlinear vibrations...
March 22, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28325673/lower-limb-dynamics-and-clinical-outcomes-for-habitually-shod-runners-who-transition-to-barefoot-running
#5
Rami Hashish, Sachithra D Samarawickrame, Susan Sigward, Stanley P Azen, George J Salem
OBJECTIVES: Recent investigations have revealed lower vertical loading rates and knee energy absorption amongst experienced barefoot runners relative to those who rear-foot strike (RFS). Although this has led to an adoption of barefoot running amongst many recreational shoe runners, recent investigations indicate that the experienced barefoot pattern is not immediately realized. Therefore, the purpose this investigation was to quantify changes in lower-extremity dynamics and clinical outcomes measures for habitually shod runners who perform a transition to barefoot running...
December 10, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28318407/effectiveness-of-the-custom-mold-room-temperature-vulcanizing-silicone-toe-separator-on-hallux-valgus-a-prospective-randomized-single-blinded-controlled-trial
#6
Navaporn Chadchavalpanichaya, Voraluck Prakotmongkol, Nattapong Polhan, Pitchaya Rayothee, Sirirat Seng-Iad
BACKGROUND: Silicone toe separator is considered as a conservative treatment for hallux valgus. The prefabricated toe separator does not fit all. However, effectiveness in prescription of the custom-mold toe separator is still unknown. OBJECTIVES: To investigate the effect of using a custom-mold room temperature vulcanizing silicone toe separator to decrease hallux valgus angle and hallux pain. The compliances, complications, and satisfactions of toe separator were also explored...
March 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28314678/practices-of-infectious-control-management-during-neutropenia-a-survey-from-149-french-hospitals
#7
N Lequilliec, R Raymond, D Vanjak, N Baghdadi, H Boulestreau, J-R Zahar, J-P Gangneux
OBJECTIVE OF THE STUDY: Neutropenic patients represent a growing and fragile population in our hospitals. Numerous treatments induce neutropenia in haematology wards and elsewhere. Although strict isolation is recommended during post-haematopoietic stem cell transplantation neutropenia, this may not be the current practice in other situations. In this study, our objective was to analyse what protective measures are applied in neutropenic patients in a French survey. MATERIELS AND METHODS: A questionnaire was sent out to infection control teams of 400 public and private French hospitals to enquire about their local recommendations regarding infection prevention in neutropenic patients...
March 14, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28302314/a-new-measure-of-trip-risk-integrating-minimum-foot-clearance-and-dynamic-stability-across-the-swing-phase-of-gait
#8
Brian W Schulz
Minimum toe clearance (MTC) is thought to quantify the risk of the toe contacting the ground during the swing phase of gait and initiating a trip, but there are methodological issues with this measure and the risk of trip-related falls has been shown to also be associated with gait speed and dynamic stability. This paper proposes and evaluates a new measure, trip risk integral (TRI), that circumvents many issues with MTC as typically calculated at a single point by considering minimum foot clearance across the entire swing phase and taking into account dynamic stability to estimate risk of falling due to a trip rather than risk of the foot contacting the floor...
February 27, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28292715/footwear-characteristics-are-related-to-running-mechanics-in-runners-with-patellofemoral-pain
#9
Jean-Francois Esculier, Blaise Dubois, Laurent J Bouyer, Bradford J McFadyen, Jean-Sébastien Roy
Running footwear is known to influence step rate, foot inclination at foot strike, average vertical loading rate (VLR) and peak patellofemoral joint (PFJ) force. However, the association between the level of minimalism of running shoes and running mechanics, especially with regards to these relevant variables for runners with patellofemoral pain (PFP), has yet to be investigated. The objective of this study was to explore the relationship between the level of minimalism of running shoes and habitual running kinematics and kinetics in runners with PFP...
March 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28283138/knowledge-attitudes-and-practices-related-to-schistosomiasis-among-children-in-northern-senegal
#10
Simona Frigerio, Fabrizio Bert, Marco Clari, Giovanni Di Fine, Susanna Riva, Ilaria Bergese, Samba Gueye Diouf, Rosaria Alvaro, Ersilia Buonomo
BACKGROUND: Schistosomiasis is a highly prevalent parasitic disease in Senegal. The early symptoms are hematuria and dysuria. Children's comprehension of the disease is fundamental to preventing the infection. OBJECTIVES: The aim of this study was to investigate the knowledge attitudes, and practices related to schistosomiasis among schoolchildren in 2 rural villages in Northern Senegal and to evaluate their impact on the disease. METHODS: A cross-sectional study was conducted...
September 2016: Annals of Global Health
https://www.readbyqxmd.com/read/28283083/a-novel-model-to-assess-lamellar-signaling-relevant-to-preferential-weight-bearing-in-the-horse
#11
A K Gardner, A W van Eps, M R Watts, T A Burns, J K Belknap
Supporting limb laminitis (SLL) is a devastating sequela to severe unilateral lameness in equine patients. The manifestation of SLL, which usually only affects one limb, is unpredictable and the etiology is unknown. A novel, non-painful preferential weight bearing model designed to mimic the effects of severe unilateral forelimb lameness was developed to assess lamellar signaling events in the supporting limb (SL). A custom v-shaped insert was attached to the shoe of one forelimb to prevent normal weight bearing and redistribute weight onto the SL...
March 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28280948/-wear-some-thick-socks-if-you-walk-in-my-shoes-agency-resilience-and-well-being-in-communities-of-north-american-sex-workers
#12
Theodore R Burnes, Elizabeth M Rojas, Irena Delgado, Tianna E Watkins
Using a participatory action research (PAR) paradigm, this study investigated how 35 individuals involved in the sex work industry exemplified aspects of agency and intentional well-being under harsh work environments. Using PAR and qualitative research, sex workers were asked to identify research questions and help to design a study investigating the relationship between well-being and sex worker agency. Participants in the study each completed one semi-structured individual interview to share their experiences in the sex work industry...
March 9, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28277405/the-preferred-movement-path-paradigm-influence-of-running-shoes-on-joint-movement
#13
Benno M Nigg, Jordyn Vienneau, Aimée C Smith, Matthieu B Trudeau, Maurice Mohr, Sandro R Nigg
PURPOSE: (a) to quantify differences in lower extremity joint kinematics for groups of runners subjected to different running footwear conditions, and (b) to quantify differences in lower extremity joint kinematics on an individual basis for runners subjected to different running footwear conditions. METHODS: Three-dimensional ankle and knee joint kinematics were collected for 35 heel-toe runners when wearing three different running shoes and when running barefoot...
March 8, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28272013/when-traditional-offloading-is-not-an-option-could-an-external-fixator-be-a-solution-a-case-report
#14
Abdulaziz A Kimawi, Robert J Snyder, Mario A Cala, Cherison Cuffy
Offloading is a cornerstone in managing diabetic plantar foot ulcers; however, it often represents one of the most challenging aspects of treatment for clinician and patient alike. The authors present a case of a 61-year-old African American man with type 2 diabetes and a limb-threatening plantar foot ulcer that required aggressive wound and surgical management. Due to the heavy drainage and patient adherence issues, traditional offloading techniques such as total contact cast, DH Pressure Relief Walker (Össur, Foothill Ranch, CA), and wedge shoes, among others, were not viable options...
February 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28269343/tribowalk-triboelectric-dual-functional-wireless-system-for-gait-monitoring-and-energy-harvesting
#15
Xian Li, Hui Huang, Ye Sun
In this paper, we report the design and validation of a novel wearable wireless system, TriboWalk, for gait monitoring and motion energy harvesting based on triboelectrification. Gait analysis is an important diagnostic method for medical rehabilitation. The TriboWalk system is capable of gait monitoring and analysis by capturing gait timing parameters and ground contact force (GCF) pattern based on four tribo-elements on each shoe sole. The tribo-elements are removable and easily placed on different shoes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269336/a-preliminary-evaluation-of-continuous-shoe-integrated-weight-measurements-for-heart-failure-patients
#16
Ahmed Elian, Nisrein Sada, Ibrahim Elfadel, Mohammed Saeed, Ayman Shabra
Weight measurements are part of current medical care for congestive heart failure (CHF) patients. In this work, we explore the potential of shoe-mounted pressure sensors to automatically and remotely estimate the weight of CHF patients. We show that weight estimation accuracy degrades due to human subject movement. Moreover, we show that for a standing human subject the accuracy is influenced by the characteristic of the sensor used to measure pressure. Our experimental evaluation of various pressure sensors widely used in wearable applications reveals that they exhibit properties that are undesirable for precise weight measurements...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268785/establishment-of-a-measurement-method-for-in-shoe-pressure-and-shear-stress-in-specific-regions-for-diabetic-ulcer-prevention
#17
Ayumi Amemiya, Hiroshi Noguchi, Makoto Oe, Hiromi Sanada, Taketoshi Mori
Pressure and shear stress are the factors of diabetic foot ulcers and callus formation. However, in-shoe shear stress of callus measurement could not have been measured because of technical difficulties. The purpose of this study is to verify reliability and validity of the established measurement system for in-shoe pressure and shear stress. For reliability, coefficients of variation (CV) and intraclass correlation coefficients (ICC) were confirmed. For known-groups validity, callus and non-callus feet were compared...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268324/testing-and-comparing-of-film-type-sensor-materials-in-measurement-of-plantar-pressure-distribution
#18
Satu Rajala, Timo Salpavaara, Sampo Tuukkanen
Simple in-shoe sensors based on film-type sensor materials were developed in this study. Three sensor materials were tested: polyvinylidenefluoride (PVDF), cellulose nanofibrils (CNF) and ElectroMechanical Film (EMFi). Plantar pressure distributions of a subject were measured with the developed in-shoe sensors; each consisting of three sensor channels (lateral and medial metatarsal heads and heel). In addition, piezoelectric sensor sensitivities and crosstalk between the sensor channels were determined. Differences between the tested film-type materials and measured plantar pressure distribution signals were studied...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265506/immediate-effects-of-eva-midsole-resilience-and-upper-shoe-structure-on-running-biomechanics-a-machine-learning-approach
#19
Andrea N Onodera, Wilson P Gavião Neto, Maria Isabel Roveri, Wagner R Oliveira, Isabel Cn Sacco
BACKGROUND: Resilience of midsole material and the upper structure of the shoe are conceptual characteristics that can interfere in running biomechanics patterns. Artificial intelligence techniques can capture features from the entire waveform, adding new perspective for biomechanical analysis. This study tested the influence of shoe midsole resilience and upper structure on running kinematics and kinetics of non-professional runners by using feature selection, information gain, and artificial neural network analysis...
2017: PeerJ
https://www.readbyqxmd.com/read/28257674/insertional-achilles-tendinopathy
#20
REVIEW
Gage M Caudell
Posterior heel pain is a common condition of the foot and ankle and is seen in a variety of foot types. Nonoperative treatment methods consisting of shoes inserts, heel lifts, stretching, physical therapy, nonsteroidal antiinflammatory drugs, eccentric strength training, and other modalities have been shown to have mixed results. When indicated, surgical repair can produce good long-term results. Complications, although uncommon, most commonly result from wound healing complications.
April 2017: Clinics in Podiatric Medicine and Surgery
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