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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/29144991/finite-element-simulation-on-posterior-tibial-tendinopathy-load-transfer-alteration-and-implications-to-the-onset-of-pes-planus
#2
Duo Wai-Chi Wong, Yan Wang, Aaron Kam-Lun Leung, Ming Yang, Ming Zhang
BACKGROUND: Posterior tibial tendinopathy is a challenging foot condition resulting in pes planus, which is difficult to diagnose in the early stage. Prior to the deformity, abnormal internal load transfer and soft tissue attenuation are anticipated. The objective of this study was to investigate the internal load transfer and strain of the ligaments with posterior tibial tendinopathy, and the implications to pes planus and other deformities. METHODS: A three-dimensional finite element model of the foot and ankle was reconstructed from magnetic resonance images of a 28-year-old normal female...
November 3, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29128666/comparison-of-plantar-pressure-distribution-in-cad-cam-and-prefabricated-foot-orthoses-in-patients-with-flexible-flatfeet
#3
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
#4
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/29126035/histomorphological-and-biochemical-properties-of-plantar-soft-tissue-in-diabetes
#5
Yak-Nam Wang, Kara Lee, Jane B Shofer, William R Ledoux
BACKGROUND: Diabetes results in pathophysiological changes, leading to tissue that is unable to withstand and adapt to the same loads, resulting in breakdown. Certain locations are more susceptible to breakdown, yet differences between locations are largely not well understood. The authors performed a histological and biochemical analysis of isolated plantar adipose tissue at six relevant locations. METHODS: Tissue from six plantar locations (hallux, first, third and fifth metatarsal heads, lateral midfoot and calcaneus) was taken from fresh cadaveric feet of older diabetic and older non-diabetic intact donors...
June 7, 2017: Foot
https://www.readbyqxmd.com/read/29110725/tendon-split-lengthening-technique-for-flexor-hallucis-longus-tendon-rupture
#6
Jae Yong Park, Chenyu Wang, Hee Dong Kim, Hyong Nyun Kim
BACKGROUND: Flexor hallucis longus (FHL) tendon rupture is a challenging injury to lead with clawing of the great toe when the FHL tendon is repaired too tight. When the diagnosis is delayed, the tendon ends may not be opposable because of contracture or poor tendon tissue. METHODS: A technique to reconstruct FHL tendon rupture without a free tendon graft is described. A split tendon lengthening is performed at the midfoot around the knot of Henry. Ankle block anesthesia is used to allow the patient's active movement of the interphalangeal (IP) joint to determine the appropriate length of the reconstructed tendon for maintaining balance and preventing the tendon from being too tight or too loose...
November 6, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29093757/movement-coordination-patterns-between-the-foot-joints-during-walking
#7
John B Arnold, Paolo Caravaggi, François Fraysse, Dominic Thewlis, Alberto Leardini
Background: In 3D gait analysis, kinematics of the foot joints are usually reported via isolated time histories of joint rotations and no information is provided on the relationship between rotations at different joints. The aim of this study was to identify movement coordination patterns in the foot during walking by expanding an existing vector coding technique according to an established multi-segment foot and ankle model. A graphical representation is also described to summarise the coordination patterns of joint rotations across multiple patients...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29083363/a-pseudotumoral-lesion-diagnosed-for-a-hypertrofic-fibrosis-at-the-proximal-stump-in-anterior-tibialis-tendon-missed-rupture-a-case-report
#8
Elena M Samaila, Filippo Luiso, Giacomo Trivellin, Matteo Brunelli, Bruno Magnan
The Anterior Tibialis is the most important muscle in ankle dorsiflexion. The anterior tibialis tendon (ATT)'s rupture is an infrequent condition which can be both traumatic and spontaneous. Clinic is poor and it is necessary to confirm the suspect by US or MRI. The reported case refers to a 40 years old man who had a direct trauma at ankle and midfoot which was originally conservatively treated for an ankle sprain. Three months later he returned with pain, swelling and paresthesia. MRI was performed showing a neoformation in the contest of ATT's rupture...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29077489/surgical-treatment-of-zone-1-fifth-metatarsal-base-fractures-using-the-locking-compression-plate-distal-ulna-hook-plate
#9
Jingjing Zhao, Bin Yu, Ming Xie, Ruokun Huang, Kai Xiao
BACKGROUND: The distal ulna hook plate was recently introduced for the treatment of fifth metatarsal base fractures, but no special articles have reported the surgical results of the plate fixation of displaced or comminuted fifth metatarsal base fractures in zone 1, which are the most common forefoot fractures. METHODS: Twenty-one patients with Lawrence classification zone 1 fifth metatarsal base fractures with extra-articular displacement greater than 2 mm (n = 13) and intra-articular displacement fractures (n = 8) were included in the study...
September 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29073772/radiographic-results-of-nitinol-compression-staples-for-hindfoot-and-midfoot-arthrodeses
#10
Oliver N Schipper, Samuel E Ford, Patrick W Moody, Bryce Van Doren, J Kent Ellington
BACKGROUND: The purpose of this study was to determine the radiographic union rate after midfoot and hindfoot arthrodeses using a new generation of nitinol staples, and to compare outcomes between a nitinol staple construct and a nitinol staple and threaded compression screw construct. METHODS: A retrospective chart review was performed to identify patients who underwent hindfoot or midfoot arthrodesis using a new generation of nitinol compression staples with or without a partially threaded cannulated screw with minimum 3-month radiographic follow-up...
October 1, 2017: Foot & Ankle International
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/29058098/osteomyelitis-of-the-lower-extremity-pathophysiology-imaging-and-classification-with-an-emphasis-on-diabetic-foot-infection
#12
Jacob C Mandell, Bharti Khurana, Jeremy T Smith, Gregory J Czuczman, Varand Ghazikhanian, Stacy E Smith
Osteomyelitis is inflammation of the bone caused by an infectious organism, and is a difficult clinical problem. The pathophysiology, imaging, and classification of osteomyelitis are challenging, varying with the age of the patient (child versus adult), the chronicity of the infection (acute versus chronic), and the route of spread (hematogenous versus contiguous focus), as well as the immune and vascular status of the patient and affected region. The two most common classification schemes are those of Lew and Waldvogel, and Cierny and Mader...
October 20, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/29021827/coordination-among-the-rearfoot-midfoot-and-forefoot-during-walking
#13
Tomoya Takabayashi, Mutsuaki Edama, Emi Nakamura, Erika Yokoyama, Chiaki Kanaya, Masayoshi Kubo
BACKGROUND: Examining coordination between segments is essential for prevention and treatment of injuries. However, traditional methods such as ratio, cross-correlation technique, and angle-time plot may not provide a complete understanding of intersegmental coordination. The present study aimed to quantify the coordination among the rearfoot, midfoot, and forefoot segments during walking. METHODS: Twenty healthy young men walked barefoot on a treadmill. Reflective markers were fixed to their right shank and foot based on the Leardini foot model...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29018954/the-importance-of-cutaneous-feedback-on-neural-activation-during-maximal-voluntary-contraction
#14
Carlos Cruz-Montecinos, Huub Maas, Carla Pellegrin-Friedmann, Claudio Tapia
PURPOSE: The purpose of this study was to investigate the importance of cutaneous feedback on neural activation during maximal voluntary contraction (MVC) of the ankle plantar flexors. METHODS: The effects of cutaneous plantar anaesthesia were assessed in 15 subjects and compared to 15 controls, using a one-day pre/post-repeated measures design. Cutaneous plantar anaesthesia was induced by lidocaine injection at the centre of forefoot, lateral midfoot, and heel...
October 10, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28990362/an-explorative-study-on-the-validity-of-various-definitions-of-a-2%C3%A2-2%C3%A2-c-temperature-threshold-as-warning-signal-for-impending-diabetic-foot-ulceration
#15
Anke M Wijlens, Samantha Holloway, Sicco A Bus, Jaap J van Netten
Home monitoring of skin temperature is effective to prevent diabetic foot ulceration. We explored the validity of various definitions for the >2·2°C left-to-right threshold used as a warning signal for impending ulceration. Twenty patients with diabetes and peripheral neuropathy monitored their skin temperature with an infrared thermometer at the plantar hallux, metatarsal heads, midfoot and heel four times a day for 6 consecutive days. Environmental temperature and walking activity were monitored and associated with foot temperature...
October 9, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28986678/fluid-distribution-in-ankle-and-midfoot-joints-mr-findings-in-asymptomatic-volunteers
#16
Veerle De Grove, Inneke Willekens, Leon Lenchik, Maryam Shahabpour, Johan de Mey, Michel De Maeseneer
PURPOSE: The purpose of this study is to assess the amount of fluid in the joints of the ankle and midfoot on MR imaging in asymptomatic volunteers. MATERIALS AND METHODS: Twenty-one healthy asymptomatic volunteers (42 ankles) were evaluated with MRI imaging. There were 13 men and 8 women. The mean age was 24.7 years (19-42 years). MR imaging was performed on a 3T MR system using proton density weighted images with fat saturation (TR 2969, TE 30 ms, NA 2, slice thickness 2...
October 6, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28976832/wound-healing-outcomes-in-a-diabetic-foot-ulcer-outpatient-clinic-at-an-acute-care-hospital-a-retrospective-study
#17
S H Lu, A-M McLaren
OBJECTIVE: Patients with diabetic foot ulcers (DFU) have an increased risk of lower extremity amputation. A retrospective chart review of patients with DFUs attending the Foot Treatment and Assessment chiropodist-led outpatient clinic at an inner-city academic hospital was conducted to determine wound healing outcomes and characteristics contributing to outcomes. METHOD: We reviewed the complete clinical history of 279 patients with 332 DFUs spanning over a five-year period...
October 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28961074/gender-differences-associated-with-rearfoot-midfoot-and-forefoot-kinematics-during-running
#18
Tomoya Takabayashi, Mutsuaki Edama, Masatoshi Nakamura, Emi Nakamura, Takuma Inai, Masayoshi Kubo
Females, as compared with males, have a higher proportion of injuries in the foot region. However, the reason for this gender difference regarding foot injuries remains unclear. This study aimed to investigate gender differences associated with rearfoot, midfoot, and forefoot kinematics during running. Twelve healthy males and 12 females ran on a treadmill. The running speed was set to speed which changes from walking to running. Three-dimensional kinematics of rearfoot, midfoot, and forefoot were collected and compared between males and females...
September 29, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28952799/biomechanical-consequences-of-subtalar-joint-arthroereisis-in-treating-posterior-tibial-tendon-dysfunction-a-theoretical-analysis-using-finite-element-analysis
#19
Duo Wai-Chi Wong, Yan Wang, Tony Lin-Wei Chen, Aaron Kam-Lun Leung, Ming Zhang
Subtalar joint arthroereisis (SJA) has been introduced to control the hyperpronation in cases of flatfoot. The objective of this study is to evaluate the biomechanical consequence of SJA to restore the internal stress and load transfer to the intact state from the attenuated biomechanical condition induced by posterior tibial tendon dysfunction (PTTD). A three-dimensional finite element model of the foot and ankle complex was constructed based on clinical images of a healthy female (age 28 years, height 165 cm, body mass 54 kg)...
September 27, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28950803/changes-in-gait-and-plantar-foot-loading-upon-using-vibrotactile-wearable-biofeedback-system-in-patients-with-stroke
#20
Christina Zong-Hao Ma, Yong-Ping Zheng, Winson Chiu-Chun Lee
BACKGROUND: Patients with stroke walk with excessive foot inversion at the affected side, which may disturb their balance and gait. OBJECTIVES: This study aimed to investigate the effects of instant biofeedback of plantar force at the medial and lateral forefoot regions on gait and plantar foot loading in patients with stroke. METHODS: A total of eight patients with hemiplegic stroke, who had flexible rearfoot varus deformity at the affected side, participated in this study...
September 27, 2017: Topics in Stroke Rehabilitation
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