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https://www.readbyqxmd.com/read/29145504/quantifying-performance-on-an-outdoor-agility-drill-using-foot-mounted-inertial-measurement-units
#1
Antonia M Zaferiou, Lauro Ojeda, Stephen M Cain, Rachel V Vitali, Steven P Davidson, Leia Stirling, Noel C Perkins
Running agility is required for many sports and other physical tasks that demand rapid changes in body direction. Quantifying agility skill remains a challenge because measuring rapid changes of direction and quantifying agility skill from those measurements are difficult to do in ways that replicate real task/game play situations. The objectives of this study were to define and to measure agility performance for a (five-cone) agility drill used within a military obstacle course using data harvested from two foot-mounted inertial measurement units (IMUs)...
2017: PloS One
https://www.readbyqxmd.com/read/29128666/comparison-of-plantar-pressure-distribution-in-cad-cam-and-prefabricated-foot-orthoses-in-patients-with-flexible-flatfeet
#2
Banafsheh Khodaei, Hassan Saeedi, Maryam Jalali, Maede Farzadi, Ehsan Norouzi
BACKGROUNDS: The effect of foot orthoses on plantar pressure distribution has been proven by researchers but there are some controversies about advantages of custom-made foot orthoses to less expensive prefabricated foot orthoses. METHODS: Nineteen flatfeet adults between 18 and 45 participated in this study. CAD-CAM foot orthoses were made for these patients according to their foot scan. Prefabricated foot orthoses were prepared according to their foot size. Plantar pressure, force and contact area were measured using pedar(®)-x in-shoe system wearing shoe alone, wearing CAD-CAM foot orthoses and wearing prefabricated foot orthoses...
July 13, 2017: Foot
https://www.readbyqxmd.com/read/29126041/the-effect-of-eliminating-leg-length-difference-on-plantar-foot-pressure-distribution-in-patients-wearing-forefoot-offloading-shoe
#3
Ezequiel Palmanovich, Moshe Ayalon, David Ben Sira, Meir Nyska, Iftach Hetsroni
BACKGROUND AND PURPOSE: Elevated heel construction offloads the forefoot after surgery. However, side-to-side height difference alters limb kinetics, whereas leg-length equalizing-sole at non-operated side may have beneficial effects on foot loading. The purpose of this study was to characterize leg-length equalizing sole effect on bilateral plantar pressures when using heel-lift forefoot-offloading shoe. MATERIALS AND METHODS: Twenty men were tested walking. Plantar peak pressures (PP) and pressure-time integrals (PTI) in the forefoot-offloading shoe and in contralateral running shoe were compared between two conditions: one with- and the other without leg-length equalizing sole elevation at the running shoe...
October 24, 2017: Foot
https://www.readbyqxmd.com/read/29111785/an-explorative-study-on-the-efficacy-and-feasibility-of-the-use-of-motivational-interviewing-to-improve-footwear-adherence-in-persons-with-diabetes-at-high-risk-of-foot-ulceration
#4
Renske Keukenkamp, Maarten J Merkx, Tessa E Busch-Westbroek, Sicco A Bus
BACKGROUND: In this explorative study we assessed the effect and feasibility of using motivational interviewing to improve footwear adherence in persons with diabetes who are at high-risk of foot ulceration and show low adherence to wearing prescribed custom-made footwear. METHODS: Thirteen persons with diabetes, ulcer history, and low footwear adherence (i.e. <80% of steps taken in prescription footwear) were randomly assigned to standard education (i.e. verbal and written instructions) or to standard education added with two 45-minute sessions of motivational interviewing...
November 7, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29095908/textured-insoles-affect-the-plantar-pressure-distribution-while-elite-rowers-perform-on-an-indoor-rowing-machine
#5
Taian Vieira, Alberto Botter, Laura Gastaldi, Isabel C N Sacco, Francesco Martelli, Claudia Giacomozzi
INTRODUCTION: During rowing, foot positioning on the foot stretcher is critical to optimise muscle force transmission and boat propulsion. Following the beneficial effects of textured insoles on gait and balance, this study aims at investigating whether passive stimulation of foot mechanoreceptors induced by these insoles may contribute to improving foot loading pattern and symmetry during indoor rowing. METHODS: Eleven elite rowers were assessed during controlled training on a standard rowing machine while wearing control, low-density or high-density textured insoles...
2017: PloS One
https://www.readbyqxmd.com/read/29092649/evaluation-of-the-keeogo%C3%A2-dermoskeleton
#6
Jonathan C Mcleod, Susie Jm Ward, Audrey L Hicks
PURPOSE: (1) To determine the specific functional characteristics of individuals with neurological impairments that may predict successful use of Keeogo™ dermoskeleton and (2) to quantify the specific benefit Keeogo™ provides to a regular user of the device. METHODS: Thirteen individuals (seven males; six females; 52 ± 4.6 years old) with mobility impairments due to neurological disease or injury were recruited. Berg Balance Sale (BBS) score and Timed Up and Go (TUG) performance were used to identify baseline characteristics in participants...
November 2, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29079236/effectiveness-of-foot-biomechanical-orthoses-to-relieve-patients-knee-pain-changes-in-neural-strategy-after-9%C3%A2-weeks-of-treatment
#7
Sébastien Moyne-Bressand, Carole Dhieux, Patrick Decherchi, Erick Dousset
Knee pain is one of the most common lower leg complaints. It is often treated with plantar orthoses to provide cushioning and correct locomotion, imbalances of the foot, and postural deficits. However, the published scientific data are poor concerning the mechanisms involved in pain reduction after wearing foot orthoses, and, to the best of our knowledge, no trial has investigated the mid-term effectiveness. The aim of the present study was to evaluate the effectiveness of foot orthoses according to sound biomechanical principles in the treatment of knee pain...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29065655/the-effect-of-arch-height-and-material-hardness-of-personalized-insole-on-correction-and-tissues-of-flatfoot
#8
Shonglun Su, Zhongjun Mo, Junchao Guo, Yubo Fan
Flat foot is one of the common deformities in the youth population, seriously affecting the weight supporting and daily exercising. However, there is lacking of quantitative data relative to material selection and shape design of the personalized orthopedic insole. This study was to evaluate the biomechanical effects of material hardness and support height of personalized orthopedic insole on foot tissues, by in vivo experiment and finite element modeling. The correction of arch height increased with material hardness and support height...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29060894/the-external-force-associated-with-callus-formation-under-the-first-metatarsal-head-is-reduced-by-wearing-rocker-sole-shoes
#9
Ayumi Amemiya, Rena Okonogi, Hiroki Yamakawa, Kaori Susumu, Tatsuya Jitsuishi, Hisayoshi Sugawara, Yuji L Tanaka, Masatoshi Komiyama, Taketoshi Mori
INTRODUCTION: Callus is one of the main causes of diabetic foot ulcers. Therefore, preventing callus formation is very important. In a previous study, it was clarified that callus formation under the first metatarsal head (MTH) is associated with high shear stress time integral/pressure time integral (SPR-i). another study, it was clarified that rocker sole shoes are effective in reducing peak pressure under the first MTH. Therefore, we hypothesized that rocker sole shoes reduce SPR-i under the first MTH...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29049244/isolated-heptadactylia-a-case-report-of-central-polydactyly-of-the-foot
#10
Nicolas Piette, Pierre-Yves Zambelli, Daniel N'Dele
RATIONALE: Heptadactylia is a rare congenital disorder from the polydactyly family. Polydactyly is generally classified into 3 major groups: preaxial (medial ray), postaxial (lateral ray), and central polydactyly. Most common cases are related to preaxial or postaxial polydactyly. The rarity of central polydactyly can be explained in 3 ways. First, central polydactyly with duplication appearing on metatarsal is pretty uncommon. Second, the duplication appears isolated on the foot. Polydactyly is mostly associated with other physical defects or others duplications...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29023199/responses-of-low-and-high-compression-during-recovery-after-repeated-sprint-training-in-well-trained-handball-players
#11
Christoph Zinner, Maximilian Pelka, Alexander Ferrauti, Tim Meyer, Mark Pfeiffer, Billy Sperlich
The aim of the study was to investigate the effects of wearing various levels of compression following repeated and exhausting sprint exercise on variables related to recovery. Twelve well-trained handball players performed three sessions of repeated and exhausting sprint exercise (30 × 30m). Directly after each session the participants wore tights extending from below the hip to the foot with either 0, 10, or 25 mm Hg of compression onto the thigh and calf muscles. 48 h after the training session all participants performed 5 × 30m sprints and counter movement jumps...
October 12, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29020659/3d-gait-analysis-with-and-without-an-orthopedic-walking-boot
#12
H Gulgin, K Hall, A Luzadre, E Kayfish
INTRODUCTION: Orthopedic walking boots have been widely used in place of traditional fiberglass casts for a variety of orthopedic injuries and post-surgical interventions. These walking boots create a leg length discrepancy (LLD). LLD has been shown to alter the kinematics and kinetics of gait and are associated with lumbar and lower limb conditions such as: foot over pronation, low back pain, scoliosis, and osteoarthritis of the hip and knee joints. Past gait analyses research with orthopedic boots is limited to findings on the ipsilateral limb...
January 2018: Gait & Posture
https://www.readbyqxmd.com/read/28994758/using-gold-standard-gait-analysis-methods-to-assess-experience-effects-on-lower-limb-mechanics-during-moderate-high-heeled-jogging-and-running
#13
Yan Zhang, Meizi Wang, Jan Awrejcewicz, Gusztáv Fekete, Feng Ren, Yaodong Gu
A limited number of studies have explored lower-limb biomechanics during high-heeled jogging and running, and most studies have failed to clarify the wearing experience of subjects. This protocol describes the differences in lower-limb kinematics and ground reaction force (GRF) between experienced wearers (EW) and inexperienced wearers (IEW) during moderate high-heeled jogging and running. A three-dimensional (3D) motion analysis system with a configured force platform was used to synchronously capture lower-limb joint movements and GRF...
September 14, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28985577/characteristics-of-clinical-measurements-between-biomechanical-responders-and-non-responders-to-a-shoe-designed-for-knee-osteoarthritis
#14
Yongwook Kim, Jim Richards, Roy H Lidtke, Renato Trede
PURPOSE: The purpose of this study was to investigate the characteristics of biomechanical and clinical measurements in relation to the knee adduction moment when wearing a standard shoe and a shoe design for individuals with knee osteoarthritis (Flex-OA). METHODS: Kinematic and kinetic data were collected from thirty-two healthy individuals (64 knees) using a ten camera motion analysis system and four force plates. Subjects performed 5 walking trials under the two conditions and the magnitude of individuals' biomechanical responses where explored in relation to the clinical assessment of the Foot Posture Index, hip rotation range, strength of hip rotators, and active ankle-foot motion, all of which have been described as possible compensation mechanisms in knee osteoarthritis...
September 29, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28985487/lower-extremity-dynamics-of-walking-in-neuropathic-diabetic-patients-who-wear-a-forefoot-offloading-shoe
#15
Sicco A Bus, Josina C Maas, Nicoline M Otterman
BACKGROUND: A forefoot-offloading shoes has a negative-heel rocker outsole and is used to treat diabetic plantar forefoot ulcers, but its mechanisms of action and their association with offloading and gait stability are not sufficiently clear. METHODS: Ten neuropathic diabetic patients were tested in a forefoot-offloading shoe and subsequently in a control shoe with no specific offloading construction, both worn on the right foot (control shoe on left), while walking at 1...
October 2, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28984811/dizziness-handicap-inventory-score-is-highly-correlated-with-markers-of-gait-disturbance
#16
Damiano Zanotto, Erin M Mamuyac, Adam R Chambers, John S Nemer, John A Stafford, Sunil K Agrawal, Anil K Lalwani
OBJECTIVE: To evaluate the association between Dizziness Handicap Inventory-Screening version (DHI-S) score and spatiotemporal gait parameters using SoleSound, a newly developed, inexpensive, portable footwear-based gait analysis system. STUDY DESIGN: Cross-sectional. PATIENTS: One hundred eighteen patients recruited from otology clinic. INTERVENTION(S): Subjects completed the DHI-S survey and four uninterrupted walking laps wearing SoleSound instrumented footwear on a hard, flat surface for 100 m...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28969253/patch-test-results-from-an-occupational-and-contact-dermatitis-clinic-in-a-tertiary-care-hospital-of-southern-india-a-retrospective-study
#17
Kumaravel Sadagopan, Deepa Kalappan, Nirmala Sivaprakasam, Vinoth
INTRODUCTION: Occupational contact dermatitis, accounting for 95% of cases of occupational dermatoses, is the most common occupational skin disease. AIM: To find out the various allergens in different occupational and environmental settings causing contact allergy, from our patients presented with contact dermatitis. MATERIALS AND METHODS: It was a retrospective study from the data in hospital outpatient register over one year period, which includes patients with age ranging from 11 years to 73 years...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28945975/effect-of-muscle-tone-on-ankle-kinetics-during-gait-with-ankle-foot-orthoses-in-persons-with-stroke
#18
Shiho Mizuno, Shigeru Sonoda, Kotaro Takeda, Shinichiro Maeshima
Background Individuals exhibiting hemiplegia and increased ankle plantar flexors muscle tone following stroke are frequently prescribed an ankle-foot orthosis (AFO) to regain functional ambulation. The effect of muscle tone on ankle kinetics when walking with an AFO remains unknown. Objectives To investigate the effect of plantar flexion (PF) muscle tone on ankle plantar flexion torque during walking with an ankle-foot orthosis Methods The study included 80 participants with first-ever stroke whose manual muscle testing (MMT) of ankle DF 0-4, and 10 healthy subjects...
September 25, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28933975/foot-problems-in-older-women
#19
F Guidozzi
Between 20 and 45% of women aged over 65 years of age will develop one or more foot problems, which, although not specific to older women, are more common in that age group than in younger women. These include structural defects of the toes including hallux valgus, hammer, mallet or claw toes, skin disorders, fungal infection of the toes and toe nails, thickened toe nails, ulcers, fissures or cracks between the toes, corns and calluses, flat or high-arched feet. Foot pain is common and may be associated with other co-morbid diseases of the foot...
December 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28894789/impact-of-the-mk-vi-skinsuit-on-skin-microbiota-of-terrestrial-volunteers-and-an-international-space-station-bound-astronaut
#20
Richard A Stabler, Helena Rosado, Ronan Doyle, David Negus, Philip A Carvil, Juan G Kristjánsson, David A Green, Rafael Franco-Cendejas, Cadi Davies, Andreas Mogensen, Jonathan Scott, Peter W Taylor
Microgravity induces physiological deconditioning due to the absence of gravity loading, resulting in bone mineral density loss, atrophy of lower limb skeletal and postural muscles, and lengthening of the spine. SkinSuit is a lightweight compression suit designed to provide head-to-foot (axial) loading to counteract spinal elongation during spaceflight. As synthetic garments may impact negatively on the skin microbiome, we used 16S ribosomal RNA (rRNA) gene amplicon procedures to define bacterial skin communities at sebaceous and moist body sites of five healthy male volunteers undergoing SkinSuit evaluation...
2017: NPJ Microgravity
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