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https://www.readbyqxmd.com/read/28627227/smarter-sole-survival
#1
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/28603352/impact-of-wearing-a-functional-foot-orthotic-on-the-ankle-joint-angle-of-frontal-surface-of-young-adults-with-flatfoot
#2
KyoChul Seo, SeungHwan Park, KwangYong Park
[Purpose] This study investigated the effects of proprietary foot orthotics in young adults with flatfoot to determine changes in the ankle joint angle in the coronal plane during the midstance phase. [Subjects and Methods] The subjects were 15 college students diagnosed with flatfoot. Changes in the ankle joint angle in the coronal plane in the midstance phase were measured using the Vicon Motion System before and after use of the orthotic. The data were analyzed using Statistical Package for the Social Sciences Win 16...
May 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28594688/treatment-of-the-lower-extremity-contracture-deformities
#3
Harold J P van Bosse, Eva Pontén, Akifusa Wada, Olga E Agranovich, Bartłomiej Kowalczyk, Ehud Lebel, Hakan Şenaran, Denis V Derevianko, Maxim A Vavilov, Ekaterina V Petrova, Dmitry B Barsukov, Sergey F Batkin, Sharon Eylon, Vladimir M Kenis, Yulia V Stepanova, Dmitry S Buklaev, Guney Yilmaz, Oksana Köse, Svetlana I Trofimova, Fatih Durgut
Lower extremity deformities of patients with arthrogryposis multiplex congenita present a wide spectrum of severity and deformity combinations. Treatment goals range from merely ensuring comfortable seating and shoe wear, to fully independent and active ambulation, but the overarching intention is to help realize the patient's greatest potential for independence and function. Treatment of hip and knee contractures and dislocations has become more interventional, whereas treatment of foot deformities has paradoxically become much less surgical...
July 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28577470/ankle-foot-orthosis-bending-axis-influences-running-mechanics
#4
Elizabeth Russell Esposito, Ellyn C Ranz, Kelly A Schmidtbauer, Richard R Neptune, Jason M Wilken
Passive-dynamic ankle-foot orthoses (AFOs) are commonly prescribed to improve locomotion for people with lower limb musculoskeletal weakness. The clinical prescription and design process are typically qualitative and based on observational assessment and experience. Prior work examining the effect of AFO design characteristics generally excludes higher impact activities such as running, providing clinicians and researchers limited information to guide the development of objective prescription guidelines. The proximal location of the bending axis may directly influence energy storage and return and resulting running mechanics...
July 2017: Gait & Posture
https://www.readbyqxmd.com/read/28555124/observational-study-of-180%C3%A2-turning-strategies-using-inertial-measurement-units-and-fall-risk-in-poststroke-hemiparetic-patients
#5
Rémi Pierre-Marie Barrois, Damien Ricard, Laurent Oudre, Leila Tlili, Clément Provost, Aliénor Vienne, Pierre-Paul Vidal, Stéphane Buffat, Alain P Yelnik
OBJECTIVE: We analyzed spontaneous 180° turning strategies in poststroke hemiparetic patients by using inertial measurement units (IMUs) and the association of turning strategies with risk of falls. METHODS: We included right paretic (RP) and left paretic (LP) post-stroke patients, and healthy controls (HCs) from a physical and rehabilitation department in France between July 2015 and October 2015. All subjects were right-handed and right-footed for mobilization tasks...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28539876/plantar-sole-unweighting-alters-the-sensory-transmission-to-the-cortical-areas
#6
Laurence Mouchnino, Olivia Lhomond, Clément Morant, Pascale Chavet
It is well established that somatosensory inputs to the cortex undergo an early and a later stage of processing. The later has been shown to be enhanced when the earlier transmission decreased. In this framework, mechanical factors such as the mechanical stress to which sensors are subjected when wearing a loaded vest are associated with a decrease in sensory transmission. This decrease is in turn associated with an increase in the late sensory processes originating from cortical areas. We hypothesized that unweighting the plantar sole should lead to a facilitation of the sensory transmission...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28533981/effects-of-knee-sleeves-on-coordination-of-lower-limb-segments-in-healthy-adults-during-level-walking-and-one-leg-hopping
#7
Chang-Yong Ko, Yunhee Chang, Bora Jeong, Sungjae Kang, Jeicheong Ryu, Gyoosuk Kim
The evaluation of multisegment coordination is important in gaining a better understanding of the gait and physical activities in humans. Therefore, this study aims to verify whether the use of knee sleeves affects the coordination of lower-limb segments during level walking and one-leg hopping. Eleven healthy male adults participated in this study. They were asked to walk 10 m on a level ground and perform one-leg hops with and without a knee sleeve. The segment angles and the response velocities of the thigh, shank, and foot were measured and calculated by using a motion analysis system...
2017: PeerJ
https://www.readbyqxmd.com/read/28513212/an-optical-fiber-based-smart-textile-smart-socks-to-manage-biomechanical-risk-factors-associated-with-diabetic-foot-amputation
#8
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/28503539/differences-in-pes-planus-and-pes-cavus-subtalar-eversion-inversion-before-and-after-prolonged-running-using-a-two-dimensional-digital-analysis
#9
Charlotte Sinclair, Ulla Svantesson, Rita Sjöström, Marie Alricsson
In sports, there is a constant discussion about the hyper-pronation and supination of the foot during loading and its relation to injuries or discomfort. The purpose of the present study was to investigate the possible differences in the subtalar joint in the midstance phase of running, between individuals with Pes Planus and Pes Cavus, after 5 min and 45 min of running. Thirty-four subjects, meeting the requirements for Pes Planus (30 feet) and Pes Cavus (35 feet), according to the criteria for Medial Longitudinal Arch-angle, were included in the study...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28503379/a-public-dataset-of-running-biomechanics-and-the-effects-of-running-speed-on-lower-extremity-kinematics-and-kinetics
#10
Reginaldo K Fukuchi, Claudiane A Fukuchi, Marcos Duarte
BACKGROUND: The goals of this study were (1) to present the set of data evaluating running biomechanics (kinematics and kinetics), including data on running habits, demographics, and levels of muscle strength and flexibility made available at Figshare (DOI: 10.6084/m9.figshare.4543435); and (2) to examine the effect of running speed on selected gait-biomechanics variables related to both running injuries and running economy. METHODS: The lower-extremity kinematics and kinetics data of 28 regular runners were collected using a three-dimensional (3D) motion-capture system and an instrumented treadmill while the subjects ran at 2...
2017: PeerJ
https://www.readbyqxmd.com/read/28503144/rigid-ankle-foot-orthosis-deteriorates-mediolateral-balance-control-and-vertical-braking-during-gait-initiation
#11
Arnaud Delafontaine, Olivier Gagey, Silvia Colnaghi, Manh-Cuong Do, Jean-Louis Honeine
Rigid ankle-foot orthoses (AFO) are commonly used for impeding foot drop during the swing phase of gait. They also reduce pain and improve gait kinematics in patients with weakness or loss of integrity of ankle-foot complex structures due to various pathological conditions. However, this comes at the price of constraining ankle joint mobility, which might affect propulsive force generation and balance control. The present study examined the effects of wearing an AFO on biomechanical variables and electromyographic activity of tibialis anterior (TA) and soleus muscles during gait initiation (GI)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28486863/the-influence-of-the-use-of-ankle-foot-orthoses-on-thorax-spine-and-pelvis-kinematics-during-walking-in-children-with-cerebral-palsy
#12
Eva Swinnen, Jean-Pierre Baeyens, Benjamin Van Mulders, Julian Verspecht, Marc Degelaen
BACKGROUND: To improve gait function in children with cerebral palsy, ankle-foot orthoses are often prescribed. However, until now, little attention has been devoted to the effect of ankle-foot orthoses on the postural control during walking in children with cerebral palsy. OBJECTIVES: The aim was to compare the differences in thorax, spine, and pelvis movements in children with cerebral palsy during walking barefoot and walking with ankle-foot orthoses. STUDY DESIGN: Clinical study with an intra subject design...
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/28463819/the-reliability-of-the-adelaide-in-shoe-foot-model
#14
Chris Bishop, Susan Hillier, Dominic Thewlis
Understanding the biomechanics of the foot is essential for many areas of research and clinical practice such as orthotic interventions and footwear development. Despite the widespread attention paid to the biomechanics of the foot during gait, what largely remains unknown is how the foot moves inside the shoe. This study investigated the reliability of the Adelaide In-Shoe Foot Model, which was designed to quantify in-shoe foot kinematics and kinetics during walking. Intra-rater reliability was assessed in 30 participants over five walking trials whilst wearing shoes during two data collection sessions, separated by one week...
July 2017: Gait & Posture
https://www.readbyqxmd.com/read/28417667/immediate-and-short-term-biomechanical-adaptation-of-habitual-barefoot-runners-who-start-shod-running
#15
Ivan P H Au, Fannie O Y Lau, Winko W An, Janet H Zhang, Tony L Chen, Roy T H Cheung
This study investigated the immediate and short-term effects of minimalist shoes (MS) and traditional running shoes (TRS) on vertical loading rates, foot strike pattern and lower limb kinematics in a group of habitual barefoot runners. Twelve habitual barefoot runners were randomly given a pair of MS or TRS and were asked to run with the prescribed shoes for 1 month. Outcome variables were obtained before, immediate after and 1 month after shoe prescription. Average and instantaneous vertical loading rates at the 1-month follow-up were significantly higher than that at the pre-shod session (P < 0...
April 18, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28372470/the-effect-of-a-haptic-biofeedback-system-on-postural-control-in-patients-with-stroke-an-experimental-pilot-study
#16
Kazuhiro Yasuda, Naomi Kaibuki, Hiroaki Harashima, Hiroyasu Iwata
BACKGROUND: Impaired balance in patients with hemiparesis caused by stroke is frequently related to deficits in the central integration of afferent inputs, and traditional rehabilitation reinforces excessive visual reliance by focusing on visual compensation. OBJECTIVE: The present study investigated whether a balance task involving a haptic biofeedback (BF) system, which provided supplementary vibrotactile sensory cues associated with center-of-foot-pressure displacement, improved postural control in patients with stroke...
April 3, 2017: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/28356626/effects-of-wearing-functional-foot-orthotic-on-pelvic-angle-among-college-students-in-their-20s-with-flatfoot
#17
KwangYong Park
[Purpose] This study examined the impact of wearing a functional foot orthotic on the pelvic angle of young adults who have flatfoot. [Subjects and Methods] A total of 15 college students diagnosed with flatfoot were included in the study. Changes in the pelvic angle in the stance period during walking before and after orthotic use were measured using a VICON Motion System (VICON, Hansung, Korea). The data were analyzed using SPSS 12.0 for Windows. [Results] In the experimental group, the pelvic angle during the mid-stance and mid-swing periods of the gait cycle significantly decreased on the left and right sides after wearing the orthotic, compared to the measurements taken before orthotic usage...
March 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28329748/extensive-multilevel-split-laminotomy-for-debulking-a-cervicothoracolumbar-nondysraphic-intramedullary-spinal-cord-lipoma-in-a-2-month-old-infant
#18
Ha Son Nguyen, Sean Lew
INTRODUCTION: Laminectomy is the traditional approach for posterior exposure of the spinal canal for tumor resection. Another technique is split laminotomy, which entails the division and retraction of the spinous processes and laminae to access the thecal sac. This technique has been employed for small-segment exposures, but not extensively explored for long-segment exposures. CASE: A 2-month-old male presented with progressive right-leg plegia. MRI of the spine revealed a large, intramedullary spinal-cord lipoma extending from C6 to L5...
2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28314214/gait-biomechanics-following-lower-extremity-trauma-amputation-vs-reconstruction
#19
Elizabeth Russell Esposito, Daniel J Stinner, John R Fergason, Jason M Wilken
BACKGROUND: Surgical advances have substantially improved outcomes for individuals sustaining traumatic lower extremity injury. Injuries once requiring lower limb amputation are now routinely managed with limb reconstruction surgery. However, comparisons of functional outcomes between the procedures are inconclusive. PURPOSE: To compare gait biomechanics after lower limb reconstruction and transtibial amputation. METHODS: Twenty-four individuals with unilateral lower limb reconstruction wearing a custom ankle-foot orthosis (Intrepid Dynamic Exoskeletal Orthosis), 24 with unilateral, transtibial amputation, and 24 able-bodied control subjects underwent gait analysis at a standardized Froude speed based on leg length...
February 21, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28268416/validation-of-temporal-gait-metrics-from-three-imu-locations-to-the-gold-standard-force-plate
#20
Matthew R Patterson, William Johnston, Niamh O'Mahony, Sam O'Mahony, Eimear Nolan, Brian Caulfield
The purpose of this work is to compare temporal gait parameters from three different IMU locations to the gold standard force platform. 33 subjects (12 F, 21 M) performed twenty gait trials each while wearing inertial measurement units (IMUs) on the trunk, both shanks and both feet. Data was simultaneously collected from a laboratory embedded force plate. Step times were derived from the raw IMU data at the three IMU locations using methods that have been shown to be accurate. Step times from all locations were valid compared to the force plate...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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