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https://www.readbyqxmd.com/read/27891180/the-effect-of-foot-orthoses-with-forefoot-cushioning-or-metatarsal-pad-on-forefoot-peak-plantar-pressure-in-running
#1
Michaela Hähni, Anja Hirschmüller, Heiner Baur
BACKGROUND: Foot orthoses are frequently used in sports for the treatment of overuse complaints with sufficient evidence available for certain foot-related overuse pathologies like plantar fasciitis, rheumatoid arthritis and foot pain (e.g., metatarsalgia). One important aim is to reduce plantar pressure under prominent areas like metatarsal heads. For the forefoot region, mainly two common strategies exist: metatarsal pad (MP) and forefoot cushioning (FC). The aim of this study was to evaluate which of these orthosis concepts is superior in reducing plantar pressure in the forefoot during running...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27888786/the-assessment-of-three-dimensional-foot-pronation-using-a-principal-component-analysis-method-in-the-stance-phase-of-running
#2
Mohammad Rabiei, Mansour Eslami, Afshin Fayyaz Movaghar
Foot pronation has not been quantified dynamically in three planes of movement in an in-vivo study. The aims of this study were to determine foot pronation through using Principal Component Analysis (PCA) method and to compare it among barefoot, shod and shod with 6° lateral wedge during the stance phase of running. In this method, three-dimension of foot movements were measured and each of these components represents a percentage of foot pronation. These components were derived based on eigenvalues and vectors of covariance matrix of primary variables...
September 20, 2016: Foot
https://www.readbyqxmd.com/read/27886017/influence-of-proprioceptive-insoles-on-spinal-curvature-in-patients-with-slight-idiopathic-scoliosis
#3
Christine Noll, Vanessa Steitz, Dorothea Daentzer
PURPOSE: Proprioceptive insoles are known to influence the functions of posture and gait by modulations of the sensory structures at the sole of the foot. Literature has shown that they could improve the position of the upper-body in patients with postural complaints of the musculoskeletal system. The aim of this study was to evaluate the influence of proprioceptive insoles on the spinal curvature in patients with slight idiopathic scoliosis. PATIENTS AND METHODS: Eighteen patients were included in this prospective, single-centre, randomized study...
November 18, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27843284/studying-maximum-plantar-stress-per-insole-design-using-foot-ct-scan-images-of-hyperelastic-soft-tissues
#4
Ali Sarikhani, Abbas Motalebizadeh, Sasan Asiaei, Babak Kamali Doost Azad
The insole shape and the resulting plantar stress distribution have a pivotal impact on overall health. In this paper, by Finite Element Method, maximum stress value and stress distribution of plantar were studied for different insoles designs, which are the flat surface and the custom-molded (conformal) surface. Moreover, insole thickness, heel's height, and different materials were used to minimize the maximum stress and achieve the most uniform stress distribution. The foot shape and its details used in this paper were imported from online CT-Scan images...
2016: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/27825592/immediate-effects-of-foot-orthoses-on-pain-during-functional-tasks-in-people-with-patellofemoral-osteoarthritis-a-cross-over-proof-of-concept-study
#5
Natalie J Collins, Rana S Hinman, Hylton B Menz, Kay M Crossley
BACKGROUND: The purpose of the study was to determine whether prefabricated foot orthoses immediately reduce pain during functional tasks in people with patellofemoral osteoarthritis, compared to flat insoles and shoes alone. METHODS: Eighteen people with predominant lateral patellofemoral osteoarthritis (nine women; mean [SD] age 59 [10]years; body mass index 27.9 [3.2]kg/m(2)) performed functional tasks wearing running sandals, and then wearing foot orthoses and flat insoles (random order)...
November 4, 2016: Knee
https://www.readbyqxmd.com/read/27824657/effect-of-footwear-on-joint-pain-and-function-in-older-adults-with-lower-extremity-osteoarthritis
#6
Amy Wagner, Sarah Luna
BACKGROUND AND PURPOSE: Lower extremity osteoarthritis (OA) is a common condition among older adults; given the risks of surgical and pharmaceutical interventions, conservative, lower-cost management options such as footwear warrant further investigation. This systematic review investigated the effects of footwear, including shoe inserts, in reducing lower extremity joint pain and improving gait, mobility, and quality of life in older adults with OA. METHODS: The CINAHL, SPORTDiscus, PubMed, RECAL, and Web of Knowledge databases were searched for publications from January 1990 to September 2014, using the terms "footwear," "shoes," "gait," "pain," and "older adult...
November 7, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27824259/preliminary-evaluation-of-a-cycling-cleat-designed-for-diabetic-foot-ulcers
#7
Ryan T Crews, Steven R Smith, Ramin Ghazizadeh, Sai Yalla, Stephanie C Wu
BACKGROUND: Offloading devices for diabetic foot ulcers (DFU) generally restrict exercise. In addition to traditional health benefits, exercise could benefit DFU by increasing blood flow and acting as thermotherapy. This study functionally evaluated a cycling cleat designed for forefoot DFU. METHODS: Fifteen individuals at risk of developing a DFU used a recumbent stationary bicycle to complete one 5-minute cycling bout with the DFU cleat on their study foot and one 5-minute bout without it...
November 8, 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27782089/plantar-pressure-detection-with-fiber-bragg-gratings-sensing-system
#8
Tsair-Chun Liang, Jhe-Jhun Lin, Lan-Yuen Guo
In this paper, a novel fiber-optic sensing system based on fiber Bragg gratings (FBGs) to measure foot plantar pressure is proposed. This study first explores the Pedar-X insole foot pressure types of the adult-size chart and then defines six measurement areas to effectively identify four foot types: neutral foot, cavus foot, supinated foot and flat foot. The plantar pressure signals are detected by only six FBGs, which are embedded in silicone rubber. The performance of the fiber optic sensing is examined and compared with a digital pressure plate of i-Step P1000 with 1024 barometric sensors...
October 22, 2016: Sensors
https://www.readbyqxmd.com/read/27752287/getting-the-right-balance-insole-design-alters-the-static-balance-of-people-with-diabetes-and-neuropathy
#9
Joanne Paton, Sam Glasser, Richard Collings, Jon Marsden
BACKGROUND: Over 1 in 3 older people with diabetes sustain a fall each year. Postural instability has been identified as independent risk factor for falls within people with Diabetic Peripheral Neuropathy (DPN). People with DPN, at increased risk of falls, are routinely required to wear offloading insoles, yet the impact of these insoles on postural stability and postural control is unknown. The aim of this study was to evaluate the effect of a standard offloading insole and its constituent parts on the balance in people with DPN...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27662483/in-shoe-pressure-measurements-during-different-motor-tasks-while-wearing-safety-shoes-the-effect-of-custom-made-insoles-vs-prefabricated-and-off-the-shelf
#10
Paolo Caravaggi, Alessia Giangrande, Giada Lullini, Giuseppe Padula, Lisa Berti, Alberto Leardini
Health and safety regulations in many countries require workers at risk to wear safety shoes in a factory environment. These shoes are often heavy, rigid, and uncomfortable. Wearing safety shoes daily leads to foot problems, discomfort and fatigue, resulting also in the loss of numerous working days. Currently, knowledge of the biomechanical effects of insoles in safety shoes, during working activities, is very limited. Seventeen workers from a metalworking factory were selected and clinically examined for any foot conditions...
September 11, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27650108/the-3-step-pyramid-insole-treatment-concept-for-idiopathic-toe-walking
#11
David Pomarino, Juliana Ramírez-Llamas, Stephan Martin, Andrea Pomarino
: The idiopathic toe walking (ITW) gait pattern is characterized in children for walking since the beginning on their first steps on the forefoot; however, these children are able to support their whole foot on the ground. ITW can only be diagnosed in the absence of any orthopaedic or neurological condition known to cause tiptoe walking. The aim of this article is to review other references and provide an outline of the different treatment options, including the 3-step-pyramid insole treatment concept for children with ITW...
September 19, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27649188/a-self-powered-insole-for-human-motion-recognition
#12
Yingzhou Han, Yalu Cao, Jingjing Zhao, Yajiang Yin, Liangchen Ye, Xiaofeng Wang, Zheng You
Biomechanical energy harvesting is a feasible solution for powering wearable sensors by directly driving electronics or acting as wearable self-powered sensors. A wearable insole that not only can harvest energy from foot pressure during walking but also can serve as a self-powered human motion recognition sensor is reported. The insole is designed as a sandwich structure consisting of two wavy silica gel film separated by a flexible piezoelectric foil stave, which has higher performance compared with conventional piezoelectric harvesters with cantilever structure...
2016: Sensors
https://www.readbyqxmd.com/read/27643676/material-properties-of-the-heel-fat-pad-across-strain-rates
#13
Grigoris Grigoriadis, Nicolas Newell, Diagarajen Carpanen, Alexandros Christou, Anthony M J Bull, Spyros D Masouros
The complex structural and material behaviour of the human heel fat pad determines the transmission of plantar loading to the lower limb across a wide range of loading scenarios; from locomotion to injurious incidents. The aim of this study was to quantify the hyper-viscoelastic material properties of the human heel fat pad across strains and strain rates. An inverse finite element (FE) optimisation algorithm was developed and used, in conjunction with quasi-static and dynamic tests performed to five cadaveric heel specimens, to derive specimen-specific and mean hyper-viscoelastic material models able to predict accurately the response of the tissue at compressive loading of strain rates up to 150s(-1)...
September 8, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/27618242/etiological-foundation-for-practical-strategies-to-prevent-exercise-related-foot-blisters
#14
Martin D Hoffman
This work outlines the etiological factors for exercise-related foot blisters and the pertinent prevention strategies related to these causes. Blisters result from shear forces within the epidermis causing cell necrosis. The extent of skin shear is influenced by friction at the skin and other interfaces, various skin characteristics, bony movement, and the shear modulus of the foot ware. The number of shear cycles is another factor in the development of blisters. Key preventative strategies include limiting the number of shear cycles, avoiding moisture and particulate accumulation next to the skin, frequent use of skin lubricants, elimination of pressure points through proper fitting and broken in shoes and callous removal, use of low shear modulus insoles, and induction of skin adaptations through proper training...
September 2016: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/27598160/pso-svm-based-online-locomotion-mode-identification-for-rehabilitation-robotic-exoskeletons
#15
Yi Long, Zhi-Jiang Du, Wei-Dong Wang, Guang-Yu Zhao, Guo-Qiang Xu, Long He, Xi-Wang Mao, Wei Dong
Locomotion mode identification is essential for the control of a robotic rehabilitation exoskeletons. This paper proposes an online support vector machine (SVM) optimized by particle swarm optimization (PSO) to identify different locomotion modes to realize a smooth and automatic locomotion transition. A PSO algorithm is used to obtain the optimal parameters of SVM for a better overall performance. Signals measured by the foot pressure sensors integrated in the insoles of wearable shoes and the MEMS-based attitude and heading reference systems (AHRS) attached on the shoes and shanks of leg segments are fused together as the input information of SVM...
2016: Sensors
https://www.readbyqxmd.com/read/27579800/how-do-leg-press-exercises-comply-with-limited-weight-bearing
#16
Linda Wild, Hans-Dieter Carl, Tobias Golditz, Bernd Swoboda, Thilo Hotfiel
OBJECTIVES: To investigate foot loadings in different leg press settings with respect to a possible graduation of weight bearing (WB). DESIGN: Case series. SETTINGS: Assessing plantar force values by means of dynamic pedobarography taken place in orthopaedic departments' rehab center. PARTICIPANTS: 15 healthy students (9 men and 6 women, age 23 ± 2, weight 75 ± 6 kg) were recruited as participants from the medical faculty...
May 10, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27555883/the-influence-of-insoles-with-a-peroneal-pressure-point-on-the-electromyographic-activity-of-tibialis-anterior-and-peroneus-longus-during-gait
#17
Oliver Ludwig, Jens Kelm, Michael Fröhlich
BACKGROUND: Peroneus longus acts as a foot evertor and pronator, thus ensuring stability of the talocrural joint by curbing inversion movement of the rearfoot. Increased activation of the peroneus longus muscle in the stance phase could have a stabilising effect on the ankle joint. This study aimed to determine whether the activity of the peroneus longus muscle could be increased by the targeted use of a specially formed lateral pressure element in a customised orthopaedic insole. METHODS: This was a laboratory-based study that utilised a randomised crossover design...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27555447/effects-of-foot-orthoses-with-medial-arch-support-and-lateral-wedge-on-knee-adduction-moment-in-patients-with-medial-knee-osteoarthritis
#18
Yoann Dessery, Étienne Belzile, Sylvie Turmel, Philippe Corbeil
BACKGROUND: There is contradictory evidence regarding whether the addition of medial arch supports to laterally wedged insoles reduces knee adduction moment, improves comfort, and reduces knee pain during the late stance phase of gait. OBJECTIVES: To verify if such effects occur in participants with medial knee osteoarthritis. STUDY DESIGN: Randomized single-blinded study. METHODS: Gait analysis was performed on 18 patients affected by medial knee osteoarthritis...
August 23, 2016: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27547242/clinical-practice-guidelines-for-the-foot-and-ankle-in-rheumatoid-arthritis-a-critical-appraisal
#19
Kym Hennessy, James Woodburn, Martijn Steultjens
BACKGROUND: Clinical practice guidelines are recommendations systematically developed to assist clinical decision-making and inform healthcare. In current rheumatoid arthritis (RA) guidelines, management of the foot and ankle is under-represented and the quality of recommendation is uncertain. This study aimed to identify and critically appraise clinical practice guidelines for foot and ankle management in RA. METHODS: Guidelines were identified electronically and through hand searching...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27541338/foot-alignments-influence-the-effect-of-knee-adduction-moment-with-lateral-wedge-insoles-during-gait
#20
Tomonori Sawada, Kazuki Tokuda, Kenji Tanimoto, Yoshitaka Iwamoto, Yuta Ogata, Masaya Anan, Makoto Takahashi, Nobuhiro Kito, Koichi Shinkoda
Lateral wedge insoles (LWIs) reduce the peak external knee adduction moment (KAM). However, the efficacy of LWIs is limited in certain individuals for whom they fail to decrease KAM. Possible explanations for a lack of desired LWI response are variations in foot alignments. The purpose of this study was to evaluate whether the immediate biomechanical effects of LWIs depend on individual foot alignments during gait. Fifteen healthy adults participated in this study. Their feet were categorized as normal, pronated, and supinated using the foot posture index...
September 2016: Gait & Posture
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