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https://www.readbyqxmd.com/read/29339773/postural-adaptations-to-unilateral-knee-joint-hypomobility-induced-by-orthosis-wear-during-gait-initiation
#1
A Delafontaine, P Fourcade, J L Honeine, S Ditcharles, E Yiou
Balance control and whole-body progression during gait initiation (GI) involve knee-joint mobility. Single knee-joint hypomobility often occurs with aging, orthopedics or neurological conditions. The goal of the present study was to investigate the capacity of the CNS to adapt GI organization to single knee-joint hypomobility induced by the wear of an orthosis. Twenty-seven healthy adults performed a GI series on a force-plate in the following conditions: without orthosis ("control"), with knee orthosis over the swing leg ("orth-swing") and with the orthosis over the contralateral stance leg ("orth-stance")...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29338346/foot-mobility-magnitude-and-stiffness-in-children-with-and-without-calcaneal-apophysitis
#2
Simon Christopher McSweeney, Lloyd Reed, Scott Wearing
BACKGROUND: This study evaluated quasi-static measures of foot mobility magnitude (FMM) and foot stiffness (FS) in children, aged 8 to 14 years, with and without calcaneal apophysitis. METHODS: Between 2016 and 2017, FMM and FS measurements were captured on 41 children (22 cases and 19 controls) using a custom-built foot assessment platform. The platform incorporated a portable force plate that allowed quantification of vertical force during double-limb stance (DLS)...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29288908/the-role-of-military-footwear-and-workload-on-ground-reaction-forces-during-a-simulated-lateral-ankle-sprain-mechanism
#3
Jeffrey D Simpson, Hunter DeBusk, Christopher Hill, Adam Knight, Harish Chander
BACKGROUND: Ankle sprains are a common orthopedic injury in military populations, which may be attributed to occupational demands and footwear. Minimalist military boots have become popular, but their influence on ground reaction force (GRF) attenuation capabilities during an ankle inversion perturbation are unknown. Therefore, the purpose of this study was to examine potential differences in GRFs during an ankle inversion perturbation in a standard issue (STN) and minimalist military boot (MIN) before and after a simulated military workload...
November 22, 2017: Foot
https://www.readbyqxmd.com/read/29281893/adherence-over-time-the-course-of-adherence-to-customized-diabetic-insoles-as-objectively-assessed-by-a-temperature-sensor
#4
Dominic Ehrmann, Monika Spengler, Michael Jahn, Dea Niebuhr, Thomas Haak, Bernhard Kulzer, Norbert Hermanns
BACKGROUND: Temperature sensors are an objective way to assess adherence to diabetic footwear. Good adherence is essential for the prevention of diabetic foot problems. Little is known about the long-term course of adherence in patients at risk for diabetic foot problems. METHOD: A temperature sensor was incorporated into the specialized footwear of patients with type 2 diabetes after their first plantar ulceration. Kaplan-Meier curve was used to analyze when patients started to become nonadherent (not wearing the footwear for two straight weeks)...
December 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29277058/the-ifst-an-instrumented-version-of-the-fukuda-stepping-test-for-balance-assessment
#5
Valeria Belluscio, Elena Bergamini, Marco Iosa, Marco Tramontano, Giovanni Morone, Giuseppe Vannozzi
The maintenance of the upright posture during dynamic balance requires the integration of sensory inputs regulated by the brain. After a neurological event, the assessment of balance control impairments is crucial for supporting health professionals in the design of personalized rehabilitation protocols. A commonly used test to assess balance ability is the Fukuda Stepping Test (FST). However, the clinical parameters traditionally considered are not fully representative of the patient's motor ability. The purpose of this study was to devise an instrumented version of the FST (iFST) that embodies inertial sensors and allows to obtain individual motor strategy information...
December 16, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29245290/operative-versus-nonoperative-treatment-of-displaced-intra-articular-calcaneal-fractures-a-meta-analysis-of-current-evidence-base
#6
REVIEW
Ning Wei, Peizhi Yuwen, Wei Liu, Yanbin Zhu, Wenli Chang, Chen Feng, Wei Chen
BACKGROUND: The relative efficacy of operative and nonoperative treatments for the displaced intra-articular calcaneal fractures (DIACF) remains uncertain. OBJECT: We conducted a meta-analysis to compare the effectiveness of operative and nonoperative treatments in treating patients with DIACF. METHODS: Databases including Cochrane Library, Medline, Embase, CBM, CNKI, and Google Scholar were searched. After independent study selection by 2 authors, data were extracted and collected independently...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29244535/whether-flexible-flatfoot-needs-the-treatment-an-observation-of-plantar-pressure-effects-on-adults-with-flexible-flatfoot-by-wearing-over-the-counter-insoles-when-walking-on-level-surface-upstairs-and-downstairs
#7
JunNa Zhai, Jue Wang, YuSheng Qiu
BACKGROUND: Orthotic insole is one popular physiotherapy for flatfoot. However, the effects and if flexible flatfoot needs the treatment are not clear and how the plantar pressure change while walking upstairs and downstairs had not been studied. This study observed the plantar pressure of different walking condition to find out the answers. METHODS: Fifteen adults with flexible flatfoot and fifteen adults with normal foot were examined while walking on a level surface, walking up and down 10 cm and 20 cm stairs before treatment...
December 15, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29241713/effects-of-superficial-heating-and-insulation-on-walking-speed-in-people-with-hereditary-and-spontaneous-spastic-paraparesis-a-randomised-crossover-study
#8
Amanda L Denton, Alan D Hough, Jennifer A Freeman, Jonathan F Marsden
OBJECTIVES: Cooling of the lower limb in people with Hereditary and Spontaneous Spastic Paraparesis (pwHSSP) has been shown to affect walking speed and neuromuscular impairments. The investigation of practical strategies, which may help to alleviate these problems is important. The potential of superficial heat to improve walking speed has not been explored in pwHSSP. Primary objective was to explore whether the application of superficial heat (hot packs) to lower limbs in pwHSSP improves walking speed...
December 11, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29240004/synchronizing-gait-with-cardiac-cycle-phase-alters-heart-rate-response-during-running
#9
Keren Constantini, Abigail S L Stickford, Jeffery L Bleich, Paul D Mannheimer, Benjamin D Levine, Robert F Chapman
Timing foot strike to occur in synchrony with cardiac diastole may reduce left ventricular afterload and promote coronary and skeletal muscle perfusion. PURPOSE: To assess heart rate (HR) and metabolic responses to running when foot strikes are timed to occur exclusively during 1) the systolic phase of the cardiac cycle, or 2) the diastolic phase. METHODS: Ten elite male distance runners performed a testing session on a treadmill at 4.72 m[BULLET OPERATOR]s while matching their steps to an auditory tone and wearing a chest strap that transmitted accelerometer and ECG signals...
December 12, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29238258/do-red-and-blue-uniforms-matter-in-football-and-handball-penalties
#10
Bjoern Krenn, Niklas Pernhaupt, Markus Handsteiner
Past research has revealed ambiguous results on the impact of red uniforms in sports competition. The current study was aimed at analyzing the role of red and blue uniforms in football and handball penalties. Two experiments were conducted using a within subjects design, where participants rated uniform color-manipulated video clips. In the first study, participants (n = 39) watched footage of football players kicking a penalty, whereas in the second study (n = 118) videos of handball penalty takers, handball goalkeepers and football goalkeepers preparing themselves to score/save a penalty were shown...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29215571/application-of-the-superelastic-niti-spring-in-ankle-foot-orthosis-afo-to-create-normal-ankle-joint-behavior
#11
Amirhesam Amerinatanzi, Hashem Zamanian, Narges Shayesteh Moghaddam, Ahmadreza Jahadakbar, Mohammad Elahinia
Hinge-based Ankle Foot Orthosis (HAFO) is one of the most common non-surgical solutions for the foot drop. In conventional HAFOs, the ankle joint is almost locked, and plantar flexion is restricted due to the high stiffness of the hinge mechanism. This often leads to a rigid walking gate cycle, poor muscle activity, and muscle atrophy. Since the ankle torque-angle loop has a non-linear profile, the use of a superelastic NiTi spring within the hinge, due to its nonlinear behavior, could recreate a close-to-normal stiffness of the normal ankle joint, which, in turn, could create a more natural walk...
December 7, 2017: Bioengineering
https://www.readbyqxmd.com/read/29205209/foot-mechanics-in-young-women-are-altered-after-walking-in-high-heeled-shoes
#12
Sławomir Winiarski, Alicja Rutkowska-Kucharska, Paweł Zostawa, Natalia Uścinowicz-Zostawa, Sebastian Klich
PURPOSE: Nowadays, fashion has caused that many young women are wearing high-heeled shoes. Therefore, the aim of this study was to examine the effects of long-term walking in high-heeled shoes on the foot mechanics during barefoot gait. METHODS: Forty-three young women (22 ± 2.1 years) divided into two groups participated in this retrospective cohort study. The first group was composed of women who frequently wear high-heeled footwear. The second, infrequent wearers group, consisted of women who preferred flat-heeled shoes...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29195062/compressive-stockings-after-hindfoot-and-ankle-surgery
#13
Florian Grubhofer, Sabrina Catanzaro, Regula Schüpbach, Mohamed A Imam, Stephan Wirth
BACKGROUND: Swelling and pain are common after foot and ankle procedures. We hypothesized that compressive stockings (CS) treatment after hindfoot surgery would positively influence patient outcomes. METHODS: We undertook this randomized controlled trial in 87 consecutive patients to analyze the clinical effect of CS after hindfoot and ankle surgery and evaluate CS-wearing compliance using sensors that were implanted into CS. Ankle swelling, pain status, quality of life (SF-36 score), and the American Orthopaedic Foot & Ankle Score (AOFAS) were set as the primary end points...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29189099/creative-prosthetic-foot-selection-enables-successful-ambulation-in-stiletto-high-heels
#14
Elizabeth Russell Esposito, Delbert H Lipe, Christopher A Rábago
BACKGROUND: Walking in high heels presents biomechanical challenges, yet they remain part of many women's attire. However, women with a lower limb amputation are limited in available footwear options. Case description and methods: This case study is in response to one patient's assertion that she walked better and more symmetrically in heels than flat shoes with her below-knee prosthesis. She underwent gait analysis in athletic shoes and 10-cm stiletto high heels worn with a pediatric running foot to determine if these claims could be substantiated through biomechanical measures...
November 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29161626/the-effect-of-augmented-somatosensory-feedback-on-standing-postural-sway
#15
Angela Smalley, Scott C White, Robert Burkard
Impaired balance resulting from reduced postural control occurs with aging and various medical conditions. Sensory input for balance control is provided by the visual, vestibular and somatosensory systems. Previous research suggests that increased proprioceptive feedback from various lower extremity devices improves balance. Mixed results have been reported with the use of orthoses such as ankle foot orthoses (AFOs). In this study, 20 healthy subjects wore footplates in their shoes or straps around their lower legs in order to imitate the somatosensory feedback produced by wearing AFOs, but without providing ankle restriction...
November 14, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29156379/evaluating-the-immediate-effects-of-wearing-foot-orthotics-in-children-with-joint-hypermobility-syndrome-jhs-by-analysis-of-temperospatial-parameters-of-gait-and-dynamic-balance-a-preliminary-study
#16
P McDermott, E Wolfe, C Lowry, K Robinson, H P French
Joint Hypermobility Syndrome (JHS) in children, presents with increased joint range of motion and can lead to altered gait strategies and reduced dynamic balance. Despite limited evidence foot orthoses are sometimes prescribed to patients with JHS with the aim to improve the stability of their gait pattern and theoretically reduce associated symptoms of fatigue and joint pain. The purpose of this study was therefore to analyse the immediate effects of 'off the shelf' orthoses on temporospatial parameters of gait and dynamic balance in this cohort...
November 15, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29145504/quantifying-performance-on-an-outdoor-agility-drill-using-foot-mounted-inertial-measurement-units
#17
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
#18
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...
December 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
#19
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
#20
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
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