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https://www.readbyqxmd.com/read/28708747/footwear-and-insole-design-features-to-prevent-foot-ulceration-in-people-with-diabetes-a-systematic-review-protocol
#1
Richard Collings, Jennifer Freeman, Jos M Latour, Sam Glasser, Joanne Paton
The aim of this systematic review is to identify the key design features of footwear and insoles that are used to offload the plantar surface of the foot to prevent foot ulceration in adults with diabetes.More specifically, the objectives are to identify the key design features of footwear and insoles to offload the plantar surface of the foot with regard to.
July 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28689681/locomotion-pattern-and-foot-pressure-adjustments-during-gentle-turns-in-healthy-subjects
#2
Kathrin E Peyer, Charlotte A Brassey, Kayleigh A Rose, William I Sellers
People suffering from locomotor impairment find turning manoeuvres more challenging than straight-ahead walking. Turning manoeuvres are estimated to comprise a substantial proportion of steps taken daily, yet research has predominantly focused on straight-line walking, meaning that the basic kinetic, kinematic and foot pressure adaptations required for turning are not as well understood. We investigated how healthy subjects adapt their locomotion patterns to accommodate walking along a gently curved trajectory (radius 2...
June 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28687150/virtually-optimized-insoles-for-offloading-the-diabetic-foot-a-randomized-crossover-study
#3
S Telfer, J Woodburn, A Collier, P R Cavanagh
Integration of objective biomechanical measures of foot function into the design process for insoles has been shown to provide enhanced plantar tissue protection for individuals at-risk of plantar ulceration. The use of virtual simulations utilizing numerical modeling techniques offers a potential approach to further optimize these devices. In a patient population at-risk of foot ulceration, we aimed to compare the pressure offloading performance of insoles that were optimized via numerical simulation techniques against shape-based devices...
June 24, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28684213/a-generalisable-methodology-for-stability-assessment-of-walking-aid-users
#4
E Costamagna, S B Thies, L P J Kenney, D Howard, A Liu, D Ogden
To assist balance and mobility, older adults are often prescribed walking aids. Nevertheless, surprisingly their use has been associated with increased falls-risk. To address this finding we first need to characterise a person's stability while using a walking aid. Therefore, we present a generalisable method for the assessment of stability of walking frame (WF) users. Our method, for the first time, considers user and device as a combined system. We define the combined centre of pressure (CoPsystem) of user and WF to be the point through which the resultant ground reaction force for all feet of both the WF and user acts if theresultant moment acts only around an axisperpendicular tothe ground plane...
July 3, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28660074/treatment-of-hallux-valgus-deformity
#5
Lukas Fraissler, Christian Konrads, Maik Hoberg, Maximilian Rudert, Matthias Walcher
Hallux valgus deformity is a very common pathological condition which commonly produces painful disability. It is characterised as a combined deformity with a malpositioning of the first metatarsophalangeal joint caused by a lateral deviation of the great toe and a medial deviation of the first metatarsal bone.Taking the patient's history and a thorough physical examination are important steps. Anteroposterior and lateral weight-bearing radiographs of the entire foot are crucial for adequate assessment in the treatment of hallux valgus...
August 2016: EFORT open reviews
https://www.readbyqxmd.com/read/28649018/rear-foot-kinematics-when-wearing-lateral-wedge-insoles-and-foot-alignment-influence-the-effect-of-knee-adduction-moment-for-medial-knee-osteoarthritis
#6
Tomonori Sawada, Kenji Tanimoto, Kazuki Tokuda, Yoshitaka Iwamoto, Yuta Ogata, Masaya Anan, Makoto Takahashi, Nobuhiro Kito, Koichi Shinkoda
Lateral wedge insoles (LWIs) are prescribed for patients with medial knee osteoarthritis to reduce the external knee adduction moment (KAM). However, the biomechanical effects of LWIs are limited in some patients. The purpose of this study was to investigate whether the biomechanical effects of LWIs depend on individual foot alignment and to examine the relationship between change in KAM and changes in foot and ankle biomechanics when wearing LWIs. Twenty-one patients participated in this study. They were categorized into normal or abnormal foot groups based on the foot posture index (FPI)...
June 15, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28632050/effects-of-turf-and-cleat-footwear-on-plantar-load-distributions-in-adolescent-american-football-players-during-resisted-pushing
#7
Jeffrey B Taylor, Anh-Dung Nguyen, Janet R Griffin, Kevin R Ford
Metatarsal and midfoot injuries are common in American football. Footwear design may influence injury rates by altering plantar foot loading patterns in these regions. The purpose of this study was to determine the effect of cleat design on in-shoe plantar foot loading during a football-specific, resisted pushing task. Twenty competitive football players (age 14.7 ± 1.8 years, height 1.72 ± 0.10 m, and mass 71.8 ± 26.9 kg) completed three trials of pushing a weighted sled at maximal effort in a standard shoe (CLEAT) and artificial turf-specific shoe (TURF), with flexible in-shoe force measuring insoles...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28627227/smarter-sole-survival
#8
Bijan Najafi, Eyal Ron, Ana Enriquez, Ivan Marin, Javad Razjouyan, David G Armstrong
OBJECTIVE: This study examined adherence to alert-based cues for plantar pressure offloading in patients with diabetic foot disease. METHOD AND DESIGN: Participants (n = 17) with in diabetic foot remission (history of neuropathic ulceration) were instructed to wear a smart insole system (the SurroSense Rx, Orpyx Medical Technologies Inc, Calgary, Canada) over a three-month period. This device is designed to cue offloading to manage unprotected sustained plantar pressures in an effort to prevent foot ulceration...
January 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28599003/measurement-agreement-between-a-newly-developed-sensing-insole-and-traditional-laboratory-based-method-for-footstrike-pattern-detection-in-runners
#9
Roy T H Cheung, Winko W An, Ivan P H Au, Janet H Zhang, Zoe Y S Chan, Alfred Man, Fannie O Y Lau, Melody K Y Lam, K K Lau, C Y Leung, N W Tsang, Louis K Y Sze, Gilbert W K Lam
This study introduced a novel but simple method to continuously measure footstrike patterns in runners using inexpensive force sensors. Two force sensing resistors were firmly affixed at the heel and second toe of both insoles to collect the time signal of foot contact. A total of 109 healthy young adults (42 males and 67 females) were recruited in this study. They ran on an instrumented treadmill at 0°, +10°, and -10° inclinations and attempted rearfoot, midfoot, and forefoot landings using real time visual biofeedback...
2017: PloS One
https://www.readbyqxmd.com/read/28547924/effect-of-a-thin-customized-insole-on-pain-and-walking-ability-in-rheumatoid-arthritis-a-randomized-study
#10
Berit Hagemoen Linberg, Anne Marit Mengshoel
OBJECTIVE: The aim of the study was to investigate the immediate effects of a thin, easily customizable insole on pain and walking ability in patients with rheumatoid arthritis (RA) who have forefoot pain, and to determine whether the insoles were in use 1 year afterwards. DESIGN: An experimental, assessor-blinded design was applied to compare the immediate effects when walking with or without insoles in random order. After 1 year, a structured telephone interview was conducted...
May 25, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28513212/an-optical-fiber-based-smart-textile-smart-socks-to-manage-biomechanical-risk-factors-associated-with-diabetic-foot-amputation
#11
Bijan Najafi, Hooman Mohseni, Gurtej S Grewal, Talal K Talal, Robert A Menzies, David G Armstrong
OBJECTIVE: This study aimed to validate a smart-textile based on fiber-optics for simultaneous measurement of plantar temperature, pressure, and joint angles in patients with diabetic peripheral neuropathy (DPN). METHODS: After in-vitro validation in the laboratory, 33 eligible subjects with DPN were recruited (age: 58 ± 8 years, BMI: 31.5 ± 8 kg/m(2)) for assessing plantar pressure and temperature during habitual gait-speed in a clinical-setting. All participants were asked to walk at their habitual speed while wearing a pair of sensorized socks made from highly flexible fiber optics (SmartSox)...
May 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28497718/the-biomechanical-effects-and-perceived-comfort-of-textile-fabricated-insoles-during-straight-line-walking
#12
Wai-Ting Lo, Del P Wong, Kit-Lun Yick, Sun Pui Ng, Joanne Yip
BACKGROUND: Orthotic insoles that are made of foam material often have less breathability and thus cause discomfort to the wearer. Given that a sandwich structure offers better porosity and breathability that would improve comfort, the impact of custom-made insoles made with three-dimensional spacer fabric is studied. OBJECTIVES: To examine the biomechanical effects and subjective comfort of spacer-fabric insoles during walking. STUDY DESIGN: Repeated measures...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28473871/lateral-wedges-with-and-without-custom-arch-support-for-people-with-medial-knee-osteoarthritis-and-pronated-feet-an-exploratory-randomized-crossover-study
#13
Michael A Hunt, Judit Takacs, Natasha M Krowchuk, Gillian L Hatfield, Rana S Hinman, Ryan Chang
BACKGROUND: Pronated foot posture is associated with many clinical and biomechanical outcomes unique to medial compartment knee osteoarthritis (OA). Though shoe-worn insole treatment, including lateral wedges, is commonly studied in this patient population, their effects on the specific subgroup of people with medial knee OA and concomitant pronated feet are unknown. The purpose of this study was to evaluate whether lateral wedge insoles with custom arch support are more beneficial than lateral wedge insoles alone for knee and foot symptoms in people with medial tibiofemoral knee osteoarthritis (OA) and pronated feet...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28472092/influence-of-slope-steepness-foot-position-and-turn-phase-on-plantar-pressure-distribution-during-giant-slalom-alpine-ski-racing
#14
Thomas Falda-Buscaiot, Frédérique Hintzy, Patrice Rougier, Patrick Lacouture, Nicolas Coulmy
The purpose of this study was to investigate the evolution of ground reaction force during alpine skiing turns. Specifically, this study investigated how turn phases and slope steepness affected the whole foot normal GRF pattern while performing giant slalom turns in a race-like setting. Moreover, the outside foot was divided into different plantar regions to see whether those parameters affected the plantar pressure distribution. Eleven skiers performed one giant slalom course at race intensity. Runs were recorded synchronously using a video camera in the frontal plane and pressure insoles under both feet's plantar surface...
2017: PloS One
https://www.readbyqxmd.com/read/28456333/how-symmetric-are-metal-on-metal-hip-resurfacing-patients-during-gait-insights-for-the-rehabilitation
#15
Renan A Resende, Renata N Kirkwood, John F Rudan, Kevin J Deluzio
Metal-on-metal hip resurfacing patients demonstrate hip biomechanics closer to normal in comparison to total hip arthroplasty during gait. However, it is not clear how symmetric is the gait of hip resurfacing patients. Biomechanical data of 12 unilateral metal-on-metal hip resurfacing participants were collected during gait at a mean time of 45months (SD 24) after surgery. Ankle, knee, hip, pelvis and trunk kinematics and kinetics of both sides were measured with a motion and force-capture system. Principal component analysis and mean hypothesis' tests were used to compare the operated and healthy sides...
April 19, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28351488/investigating-the-effect-of-external-trauma-through-a-dynamic-system-modeling-approach-for-clustering-causality-in-diabetic-foot-ulcer-development
#16
Parisa Salimi, Mohsen Hamedi, Nima Jamshidi, Milad Vismeh
Diabetes and its associated complications are realized as one of the most challenging medical conditions threatening more than 29 million people only in the USA. The forecasts suggest a suffering of more than half a billion worldwide by 2030. Amid all diabetic complications, diabetic foot ulcer (DFU) has attracted much scientific investigations to lead to a better management of this disease. In this paper, a system thinking methodology is adopted to investigate the dynamic nature of the ulceration. The causal loop diagram as a tool is utilized to illustrate the well-researched relations and interrelations between causes of the DFU...
April 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28338396/should-ballet-dancers-vary-postures-and-under-foot-surfaces-when-practicing-postural-balance
#17
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/28299934/antibacterial-composite-film-based-triboelectric-nanogenerator-for-harvesting-walking-energy
#18
Guang Qin Gu, Chang Bao Han, Jing Jing Tian, Cun Xin Lu, Chuan He, Tao Jiang, Zhou Li, Zhong Lin Wang
As a green and eco-friendly technology, triboelectric nanogenerator (TENG) can harvest energy from human motion to generate electricity, so TENGs have been widely applied in wearable electronic devices to replace traditional batteries. However, the surface of these TENGs is easily contaminated and breeds bacteria, which is a threat to human health. Here, we report an antibacterial composite film-based triboelectric nanogenerator (ACF-TENG) that uses Ag-exchanged zeolite (Ag-zeolite) and polypropylene (PP) composite film as the triboelectric layer...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28256245/effects-of-medially-posted-insoles-on-foot-and-lower-limb-mechanics-across-walking-and-running-in-overpronating-men
#19
Jukka Kosonen, Juha-Pekka Kulmala, Erich Müller, Janne Avela
Anti-pronation orthoses, like medially posted insoles (MPI), have traditionally been used to treat various of lower limb problems. Yet, we know surprisingly little about their effects on overall foot motion and lower limb mechanics across walking and running, which represent highly different loading conditions. To address this issue, multi-segment foot and lower limb mechanics was examined among 11 overpronating men with normal (NORM) and MPI insoles during walking (self-selected speed 1.70±0.19m/s vs 1.72±0...
February 6, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28245273/influence-of-custom-made-and-prefabricated-insoles-before-and-after-an-intense-run
#20
Angel Gabriel Lucas-Cuevas, Andrés Camacho-García, Raúl Llinares, Jose Ignacio Priego Quesada, Salvador Llana-Belloch, Pedro Pérez-Soriano
Each time the foot contacts the ground during running there is a rapid deceleration that results in a shock wave that is transmitted from the foot to the head. The fatigue of the musculoskeletal system during running may decrease the ability of the body to absorb those shock waves and increase the risk of injury. Insoles are commonly prescribed to prevent injuries, and both custom-made and prefabricated insoles have been observed to reduce shock accelerations during running. However, no study to date has included a direct comparison of their behaviour measured over the same group of athletes, and therefore great controversy still exists regarding their effectiveness in reducing impact loading during running...
2017: PloS One
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