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https://www.readbyqxmd.com/read/29145309/short-term-effects-of-sports-taping-on-navicular-height-navicular-drop-and-peak-plantar-pressure-in-healthy-elite-athletes-a-within-subject-comparison
#1
Taegyu Kim, Jong-Chul Park
Medial tibial stress syndrome (MTSS) is one of the most common exercise-induced leg pain. The navicular drop (ND) was identified as a risk factor for MTSS. This study aimed to evaluate the short-term effects of sports taping applied to the supporting lower leg during sitting, standing, walking, and jogging to restrict the ND in healthy elite athletes.Twenty-four healthy elite athletes without a history of exercise-induced pain or injuries in the lower limbs participated in this study (median age: 21.00 years; 1st--3rd quartiles; 19...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29139051/subject-specific-finite-element-modelling-of-the-human-foot-complex-during-walking-sensitivity-analysis-of-material-properties-boundary-and-loading-conditions
#2
Mohammad Akrami, Zhihui Qian, Zhemin Zou, David Howard, Chris J Nester, Lei Ren
The objective of this study was to develop and validate a subject-specific framework for modelling the human foot. This was achieved by integrating medical image-based finite element modelling, individualised multi-body musculoskeletal modelling and 3D gait measurements. A 3D ankle-foot finite element model comprising all major foot structures was constructed based on MRI of one individual. A multi-body musculoskeletal model and 3D gait measurements for the same subject were used to define loading and boundary conditions...
November 14, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29135586/increased-hyperalgesia-and-proinflammatory-cytokines-in-the-spinal-cord-and-dorsal-root-ganglion-after-surgery-and-or-fentanyl-administration-in-rats
#3
Lu Chang, Fang Ye, Quehua Luo, Yuanxiang Tao, Haihua Shu
BACKGROUND: Perioperative fentanyl has been reported to induce hyperalgesia and increase postoperative pain. In this study, we tried to investigate behavioral hyperalgesia, the expression of proinflammatory cytokines, such as interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α), and the activation of microglia in the spinal cord and dorsal root ganglion (DRG) in a rat model of surgical plantar incision with or without perioperative fentanyl. METHODS: Four groups of rats (n = 32 for each group) were subcutaneously injected with fentanyl at 60 μg/kg or normal saline for 4 times with 15-minute intervals...
November 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29128666/comparison-of-plantar-pressure-distribution-in-cad-cam-and-prefabricated-foot-orthoses-in-patients-with-flexible-flatfeet
#4
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
#5
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/29122964/enhanced-muscle-blood-flow-with-intermittent-pneumatic-compression-of-the-lower-leg-during-plantar-flexion-exercise-and-recovery
#6
Kathryn A Zuj, Chekema N Prince, Richard L Hughson, Sean D Peterson
This study tested the hypothesis that intermittent compression of the lower limb would increase blood flow during exercise and post-exercise recovery. Data were collected from 12 healthy individuals (8 men) who performed three minutes of standing plantar flexion exercise. Three conditions were tested: no applied compression (NoComp), compression during the exercise period only (ExComp), and compression during two minutes of standing post-exercise recovery (RecComp). Doppler ultrasound was used to determine superficial femoral artery (SFA) blood flow responses...
November 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29110516/minimally-invasive-distal-metatarsal-diaphyseal-osteotomy-dmdo-for-chronic-plantar-diabetic-foot-ulcers
#7
Carlo Biz, Stefano Gastaldo, Miki Dalmau-Pastor, Marco Corradin, Andrea Volpin, Pietro Ruggieri
BACKGROUND: The aims of this prospective study were first to evaluate the safety and effectiveness of minimally invasive distal metatarsal diaphyseal osteotomies (DMDOs) for treating a consecutive series of diabetic patients with chronic plantar diabetic foot ulcers (CPDFUs) and second to assess their clinical-functional and radiographic outcomes. METHODS: A consecutive series of patients affected by diabetes mellitus with CPDFUs, not responsive to previous nonoperative management, underwent DMDO...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29098109/impact-of-spasticity-on-balance-control-during-quiet-standing-in-persons-after-stroke
#8
Reza Rahimzadeh Khiabani, George Mochizuki, Farooq Ismail, Chris Boulias, Chetan P Phadke, William H Gage
Background: Balance impairments, falls, and spasticity are common after stroke, but the effect of spasticity on balance control after stroke is not well understood. Methods: In this cross-sectional study, twenty-seven participants with stroke were divided into two groups, based on ankle plantar flexor spasticity level. Fifteen individuals with high spasticity (Modified Ashworth Scale (MAS) score of ≥2) and 12 individuals with low spasticity (MAS score <2) completed quiet standing trials with eyes open and closed conditions...
2017: Stroke Research and Treatment
https://www.readbyqxmd.com/read/29095908/textured-insoles-affect-the-plantar-pressure-distribution-while-elite-rowers-perform-on-an-indoor-rowing-machine
#9
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/29083125/analysis-of-modifications-of-the-plantar-parameters-after-the-use-of-a-proprioceptive-insole-regular-gait
#10
Carlotta O Nobili, Elena Mannacio, Antonello Ciccarelli, Filippo Tajani, Maurizio Ripani
BACKGROUND: The human foot is the basis of support and propulsion for gait and it provides support and flexibility for effective weight transfer. Therefore a correct distribution of loads and pressures on the surface of the foot is of fundamental importance to ensure a correct walking and maintaining balance in both static and dynamic conditions. The aim of our study was to evaluate the effects of innovative insoles, named Regular Gait, on plantar pressures distribution during standing position and walking in healthy subjects; therefore, we investigated whether these effects are maintained after insole removing...
October 27, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29066982/foot-placement-characteristics-and-plantar-pressure-distribution-patterns-during-stepping-on-ground-in-neonates
#11
F Sylos-Labini, S Magnani, G Cappellini, V La Scaleia, A Fabiano, S Picone, P Paolillo, A Di Paolo, F Lacquaniti, Y Ivanenko
Stepping on ground can be evoked in human neonates, though it is rather irregular and stereotyped heel-to-toe roll-over pattern is lacking. Such investigations can provide insights into the role of contact- or load-related proprioceptive feedback during early development of locomotion. However, the detailed characteristics of foot placements and their association with motor patterns are still incompletely documented. We elicited stepping in 33 neonates supported on a table. Unilateral limb kinematics, bilateral plantar pressure distribution and EMG activity from up to 11 ipsilateral leg muscles were recorded...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29065655/the-effect-of-arch-height-and-material-hardness-of-personalized-insole-on-correction-and-tissues-of-flatfoot
#12
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
#13
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/29059829/development-of-a-wearable-plantar-force-measurement-device-for-gait-analysis-in-remote-conditions
#14
Rawnak Hamid, Suharshani Wijesundara, Lachlan McMillan, David Scott, Jean-Michel Redoute, Peter R Ebeling, Mehmet Rasit Yuce
The pressure field that exists between the foot and the supporting surface is identified as the foot plantar pressure. The information obtained from foot plantar pressure measurements has useful applications that include diagnosis of gait disturbances, optimization of footwear design, sport biomechanics and prevention of injury. Using wearable technology to measure foot plantar pressure continuously allows the collection of comprehensive real-life data sets while interfering minimally with the subject's daily activities...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29057609/the-efficacy-of-removable-devices-to-offload-and-heal-neuropathic-plantar-forefoot-ulcers-in-people-with-diabetes-a-single-blinded-multicentre-randomised-controlled-trial
#15
Sicco A Bus, Jaap J van Netten, Anke Ir Kottink, Erik A Manning, Maximilian Spraul, Arend-Jan Woittiez, Jeff G van Baal
Non-removable offloading is the 'gold standard' treatment for neuropathic diabetic plantar forefoot ulcers. However, removable offloading is the common 'standard of care'. We compared three removable offloading devices for ulcer healing efficacy. In this multicentre, randomised controlled trial, 60 persons with neuropathic diabetic plantar forefoot ulcers were randomly assigned to wear a custom-made knee-high cast [BTCC (bivalved TCC)], custom-made ankle-high cast shoe or a prefabricated ankle-high forefoot-offloading shoe (FOS)...
October 23, 2017: International Wound Journal
https://www.readbyqxmd.com/read/29054045/analysis-of-data-collected-from-right-and-left-limbs-accounting-for-dependence-and-improving-statistical-efficiency-in-musculoskeletal-research
#16
Sarah Stewart, Janet Pearson, Keith Rome, Nicola Dalbeth, Alain C Vandal
OBJECTIVES: Statistical techniques currently used in musculoskeletal research often inefficiently account for paired-limb measurements or the relationship between measurements taken from multiple regions within limbs. This study compared three commonly used analysis methods with a mixed-models approach that appropriately accounted for the association between limbs, regions, and trials and that utilised all information available from repeated trials. METHOD: Four analysis were applied to an existing data set containing plantar pressure data, which was collected for seven masked regions on right and left feet, over three trials, across three participant groups...
October 16, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29036874/development-of-a-device-to-reduce-the-risk-of-injury-in-handling-unstable-loads
#17
Mohamed Zaki Ramadan, Mohammed Alkahtani
BACKGROUND: Manual material handling (MMH) task is the most common cause of work-related musculoskeletal disorders (MSDs). Operators carrying unstable loads were recently shown to be at greater risk of back injury compared to workers carrying stable loads. OBJECTIVE: This study focused on developing a device to minimize trunk muscle activity and cardiovascular demand while handling a 19-liter bottle. METHOD: After evaluating several designs, one was selected to be developed, manufactured and tested through an experimental study...
October 10, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29030342/the-sex-specific-impact-of-aging-on-the-blood-pressure-response-to-exercise
#18
Joel D Trinity, Gwenael Layec, Corey R Hart, Russell S Richardson
An exaggerated blood pressure (BP) response to exercise has been linked to cardiovascular disease (CVD), but little is known about the impact of age and sex on this response. Therefore, this study examined the hemodynamic and skeletal muscle metabolic response to dynamic plantar flexion exercise, at 40% of WRmax, in 40 physical activity-matched young (n=20, 23±1 yr) and old (n=20, 73±2 yr), equally distributed, male and female subjects. Central hemodynamics and BP (finometer), popliteal artery (PA) blood flow (Doppler ultrasound), and skeletal muscle metabolism (phosphorous magnetic resonance spectroscopy, (31)P-MRS) were measured during 5 mins of plantar flexion exercise...
October 13, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29023365/soft-smart-garments-for-lower-limb-joint-position-analysis
#19
Massimo Totaro, Tommaso Poliero, Alessio Mondini, Chiara Lucarotti, Giovanni Cairoli, Jesùs Ortiz, Lucia Beccai
Revealing human movement requires lightweight, flexible systems capable of detecting mechanical parameters (like strain and pressure) while being worn comfortably by the user, and not interfering with his/her activity. In this work we address such multifaceted challenge with the development of smart garments for lower limb motion detection, like a textile kneepad and anklet in which soft sensors and readout electronics are embedded for retrieving movement of the specific joint. Stretchable capacitive sensors with a three-electrode configuration are built combining conductive textiles and elastomeric layers, and distributed around knee and ankle...
October 12, 2017: Sensors
https://www.readbyqxmd.com/read/29021906/a-pilot-biomechanical-assessment-of-curling-deliveries-is-toe-sliding-more-likely-to-cause-knee-injury-than-flatfoot-sliding
#20
Iona Robertson, Graham P Arnold, Weijie Wang, Tim S Drew, Sadiq Nasir, Calum MacDonald, Rami J Abboud
BACKGROUND: The aim of this study was to determine whether toe sliding is more likely to cause knee injuries than flatfoot sliding in curling. METHODS: Twelve curlers participated in the study, each delivering 12 stones. Six stones per volunteer were delivered using a flatfoot slide and six were delivered using a toe slide. The Pedar-X in-shoe pressure system recorded the plantar pressure during each of the slides, while a sagittal plane digital video recorded the body position of the curler...
2017: BMJ Open Sport & Exercise Medicine
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