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https://www.readbyqxmd.com/read/27886420/posterior-tibial-tendinopathy-associated-with-matrix-metalloproteinase-13-promoter-genotype-and-haplotype
#1
REVIEW
Francielle Boçon de Araujo Munhoz, José Eduardo Baroneza, Alexandre Godoy-Santos, Túlio Diniz Fernandes, Filipe Polese Branco, Lupe Furtado Alle, Ricardo Lehtonen de Souza, Maria Cristina Leme Godoy Dos Santos
BACKGROUND: Posterior tibial tendon (PTT) is particularly vulnerable and its insufficiency is recognized as the main cause of adult acquired flat foot. Some patients have a predisposition without clinically recognized cause, suggesting that individual characteristics play an important role in tendinopathy. Objective was investigated whether genetic variants in matrix metalloproteinases (MMPs) are associated with PTT dysfunction. METHODS: 100 women who presented PTT dysfunction, with histopathological examination of the tendon and magnetic resonance image (MRI) confirming tendinopathy, while 100 asymptomatic women who present intact PPT at MRI constituted the control group were evaluated for MMP-13 g...
November 25, 2016: Journal of Gene Medicine
https://www.readbyqxmd.com/read/27876118/flat-shoes-increase-neurogenesis
#2
J Flensmark
The impairment of the horizontal is caused by elevation of the heel of the foot from the ground. Receptors in the soles of the feet provide a mapping of body orientation to the upright, and is identical to Mittelstaedt's idiotropic tendency. Initiation of gait wearing flat shoes without elevation of the heel is sufficient to change to a truthful horizontal. Using flat shoes increases neurogenesis and leads to a decreased frequency of diseases of the nervous system.
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27847725/rehabilitation-treatment-of-a-child-diagnosed-with-duplication-of-1q42-q44-a-case-report
#3
Seong Woo Kim, Jiyong Kim, Ha Ra Jeon, Min Jung Park, Yoon Kim
Trisomy 1 is a rare chromosomal anomaly and has never been reported in Korea. Clinical features of trisomy 1 include macrocephaly, prominent forehead, flat nasal bridge, low set ears, and micrognathia, all of which result in a very distinguishable facial structure. A child with trisomy 1 also suffers from mental retardation and/or developmental delays. In this case report, the child was diagnosed with de novo trisomy 1 without receiving any treatment until visiting our hospital. The child suffered from foot and ankle deformities, leading her unable to stand independently...
October 2016: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/27843284/studying-maximum-plantar-stress-per-insole-design-using-foot-ct-scan-images-of-hyperelastic-soft-tissues
#4
Ali Sarikhani, Abbas Motalebizadeh, Sasan Asiaei, Babak Kamali Doost Azad
The insole shape and the resulting plantar stress distribution have a pivotal impact on overall health. In this paper, by Finite Element Method, maximum stress value and stress distribution of plantar were studied for different insoles designs, which are the flat surface and the custom-molded (conformal) surface. Moreover, insole thickness, heel's height, and different materials were used to minimize the maximum stress and achieve the most uniform stress distribution. The foot shape and its details used in this paper were imported from online CT-Scan images...
2016: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/27825592/immediate-effects-of-foot-orthoses-on-pain-during-functional-tasks-in-people-with-patellofemoral-osteoarthritis-a-cross-over-proof-of-concept-study
#5
Natalie J Collins, Rana S Hinman, Hylton B Menz, Kay M Crossley
BACKGROUND: The purpose of the study was to determine whether prefabricated foot orthoses immediately reduce pain during functional tasks in people with patellofemoral osteoarthritis, compared to flat insoles and shoes alone. METHODS: Eighteen people with predominant lateral patellofemoral osteoarthritis (nine women; mean [SD] age 59 [10]years; body mass index 27.9 [3.2]kg/m(2)) performed functional tasks wearing running sandals, and then wearing foot orthoses and flat insoles (random order)...
November 4, 2016: Knee
https://www.readbyqxmd.com/read/27824657/effect-of-footwear-on-joint-pain-and-function-in-older-adults-with-lower-extremity-osteoarthritis
#6
Amy Wagner, Sarah Luna
BACKGROUND AND PURPOSE: Lower extremity osteoarthritis (OA) is a common condition among older adults; given the risks of surgical and pharmaceutical interventions, conservative, lower-cost management options such as footwear warrant further investigation. This systematic review investigated the effects of footwear, including shoe inserts, in reducing lower extremity joint pain and improving gait, mobility, and quality of life in older adults with OA. METHODS: The CINAHL, SPORTDiscus, PubMed, RECAL, and Web of Knowledge databases were searched for publications from January 1990 to September 2014, using the terms "footwear," "shoes," "gait," "pain," and "older adult...
November 7, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27782089/plantar-pressure-detection-with-fiber-bragg-gratings-sensing-system
#7
Tsair-Chun Liang, Jhe-Jhun Lin, Lan-Yuen Guo
In this paper, a novel fiber-optic sensing system based on fiber Bragg gratings (FBGs) to measure foot plantar pressure is proposed. This study first explores the Pedar-X insole foot pressure types of the adult-size chart and then defines six measurement areas to effectively identify four foot types: neutral foot, cavus foot, supinated foot and flat foot. The plantar pressure signals are detected by only six FBGs, which are embedded in silicone rubber. The performance of the fiber optic sensing is examined and compared with a digital pressure plate of i-Step P1000 with 1024 barometric sensors...
October 22, 2016: Sensors
https://www.readbyqxmd.com/read/27777208/-anlysis-of-foot-biomechanics-characteristic-in-303-patients-with-type-2-diabetes-mellitus
#8
Wen-Xia Li, Ying Cao, Meng-Chen Zou, Ying Huang, Ping Hu, Xiang-Rong Luo, Ya Jiang, Yao-Ming Xue, Fang Gao
OBJECTIVE: To investigate foot biomechanics characteristic of patients with type 2 diabetes mellitus. METHODS: This study was conducted among 303 patients with type 2 diabetes. The whole foot was divided into 10 regions, namely the first toe (T1); the second to fifth toes (T2-5); the first, second, third, fourth, and fifth metatarsals (M1, M2, M3, M4, and M5, respectively); midfoot (MF), and the heel medial (HM). Foot arch index, foot angle and maximum peak pressure (MPP) of the 10 regions were measured using a Footscan gait system...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27765088/-effects-of-local-transplantation-of-autologous-adipose-derived-mesenchymal-stem-cells-on-the-formation-of-hyperplastic-scar-on-rabbit-ears
#9
L Chen, D L Wang, Z R Wei, B Wang, J P Qi, G F Sun
Objective: To investigate the effects of local transplantation of autologous adipose-derived mesenchymal stem cells (ADSCs) on the formation of hyperplastic scar on rabbit ears. Methods: ADSCs were isolated from inguinal fat of six New Zealand rabbits and then sub-cultured. ADSCs of the third passage of each rabbit were used in the following experiments. Six full-thickness skin defect wounds with diameter of 6 mm on the ventral surface of every rabbit ear were made. Wound healing and local-tissue proliferation were observed, and complete epithelization time of wounds and formation time of hyperplastic scar were recorded...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/27760729/a-portable-infrared-photoplethysmograph-heartbeat-of-mytilus-galloprovincialis-analyzed-by-mri-and-application-to-bathymodiolus-septemdierum
#10
Eriko Seo, Toshiyuki Sazi, Morio Togawa, Osamu Nagata, Masataka Murakami, Shigeaki Kojima, Yoshiteru Seo
Infrared photoplethysmogram (IR-PPG) and magnetic resonance image (MRI) of the Mytilus galloprovincialis heart were obtained simultaneously. Heart rate was varied by changing temperature, aerial exposure and hypoxia. Higher heart rates (35-20 beat min(-1)) were usually observed at 20°C under the aerobic condition, and typical IR-PPG represented a single peak (peak v). The upward and downward slopes of the peak v corresponded to the filling and contracting of the ventricle, respectively. A double-peak IR-PPG was observed in a wide range of heart rates (5 to 35 beats min(-1)) under various conditions...
November 15, 2016: Biology Open
https://www.readbyqxmd.com/read/27756526/anterior-cruciate-ligament-rupture-is-associated-with-abnormal-and-asymmetrical-lower-limb-loading-during-walking
#11
Hongshi Huang, Noël Keijsers, Herwin Horemans, Qinwei Guo, Yuanyuan Yu, Henk Stam, Stephan Praet, Yingfang Ao
OBJECTIVES: Anterior Cruciate Ligament (ACL) deficiency may result in abnormal lower limb loading with increased foot pronation. This study evaluated spatiotemporal parameters and plantar pressure distribution during walking in participants with and without an ACL rupture. DESIGN: Cross-sectional. METHODS: Plantar pressure was measured in 42 unilateral ACL deficient (ACLD) participants and 32 healthy controls while walking barefoot. Spatiotemporal parameters, pressure distribution and center of pressure (CoP) during foot roll off were determined...
September 30, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27752287/getting-the-right-balance-insole-design-alters-the-static-balance-of-people-with-diabetes-and-neuropathy
#12
Joanne Paton, Sam Glasser, Richard Collings, Jon Marsden
BACKGROUND: Over 1 in 3 older people with diabetes sustain a fall each year. Postural instability has been identified as independent risk factor for falls within people with Diabetic Peripheral Neuropathy (DPN). People with DPN, at increased risk of falls, are routinely required to wear offloading insoles, yet the impact of these insoles on postural stability and postural control is unknown. The aim of this study was to evaluate the effect of a standard offloading insole and its constituent parts on the balance in people with DPN...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27723362/changing-sagittal-plane-landing-styles-to-modulate-impact-and-tibiofemoral-force-magnitude-and-directions-relative-to-the-tibia
#13
Yohei Shimokochi, Jatin P Ambegaonkar, Eric G Meyer
CONTEXT: Ground reaction force (GRF) and tibiofemoral force magnitudes and directions have been shown to affect anterior cruciate ligament loading during landing. However, the kinematic and kinetic factors modifying these 2 forces during landing are unknown. OBJECTIVE: To clarify the intersegmental kinematic and kinetic links underlying the alteration of the GRF and tibiofemoral force vectors secondary to changes in the sagittal-plane body position during single-legged landing...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27721087/selective-activation-of-lower-leg-muscles-during-maximum-voluntary-isometric-contractions
#14
Marco Hagen, Gerrit Schwiertz, Karl B Landorf, Hylton B Menz, George S Murley
The pronators and supinators play a key role in the medio-lateral stability of the ankle joint complex (i.e. talo-crural and subtalar joints). We hypothesized that each shank muscle has a specific activation pattern determined by its anatomical course around the axes of the subtalar and talo-crural joints. A secondary objective was to examine the effect of foot posture on these activation patterns. Forty-nine young adults (25 normal-arched feet, 24 flat-arched feet) performed maximum voluntary isometric contractions against manual resistance in four movement directions: plantarflexion (PF), dorsiflexion (DF), pronation (PRO) and supination (SUP)...
December 2016: Human Movement Science
https://www.readbyqxmd.com/read/27676887/podiatric-complications-during-a-premature-aging-syndrome-rare-case
#15
Siham Zahi, Laila Mahir, Soumia Meftah, Fatima Lmidmani, Abdellatif El Fatimi
OBJECTIVE: Premature aging syndromes are very rare and most often hereditary. Initially purely descriptive entities, these syndromes are now much better understood genetically and pathophysiologically and can now be classified according to the mechanisms involved. They often manifest as a pigmented skin dry, atrophic and sclerotic. There is no treatment for these conditions apart from that of their complications (frequent ulceration). OBSERVATIONS: Forty-five years of patient follow-up in dermatology for premature aging syndrome, addressed in our service for podiatric care...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27667939/borniopsis-mortoni-sp-n-heterodonta-galeommatoidea-galeommatidaesensu-lato-a-new-bivalve-commensal-with-a-synaptid-sea-cucumber-from-japan
#16
Ryutaro Goto, Hiroshi Ishikawa
The Galeommatoidea is a bivalve superfamily that exhibits high species diversity in shallow waters. Many members of this superfamily are associated commensally with burrowing marine invertebrates in benthic sediments. The genus Borniopsis is known only from eastern Asia and exhibits high host diversity (e.g., mantis shrimps, crabs, holothurians, sipunculans and echiurans). A new species, Borniopsis mortoni sp. n., is described from mud flats at the mouth of the Souzu River, southwestern Shikoku Island, Japan...
2016: ZooKeys
https://www.readbyqxmd.com/read/27665955/a-new-insight-into-the-fabella-at-knee-the-fetal-development-and-evolution
#17
Zhe Wu Jin, Shunichi Shibata, Hiroshi Abe, Yu Jin, Xiang Wu Li, Gen Murakami
Using longitudinal semiserial sections of 12 lower extremities from 8 human fetuses at 15-18 weeks, we compared fetal morphologies of the knee in specimens with and without fabellae. We also compared the fabella, if present, with the hallucal sesamoid in the same fetus. Cartilaginous fabella, positive for versican and tenascin by immunohistochemistry, was found in 5 of the 8 fetuses. This structure was embedded in a thick and tight lateral fibrous band, providing a common origin of the plantaris muscle and the lateral head of the gastrocnemius muscle...
September 26, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27648946/running-speed-can-be-predicted-from-foot-contact-time-during-outdoor-over-ground-running
#18
Cornelis J de Ruiter, Ben van Oeveren, Agnieta Francke, Patrick Zijlstra, Jaap H van Dieen
The number of validation studies of commercially available foot pods that provide estimates of running speed is limited and these studies have been conducted under laboratory conditions. Moreover, internal data handling and algorithms used to derive speed from these pods are proprietary and thereby unclear. The present study investigates the use of foot contact time (CT) for running speed estimations, which potentially can be used in addition to the global positioning system (GPS) in situations where GPS performance is limited...
2016: PloS One
https://www.readbyqxmd.com/read/27528834/the-beginnings-of-orthopedic-surgery-at-the-mayo-clinic-a-review-of-the-first-orthopedic-patients-who-presented-over-100-years-ago
#19
Christopher L Camp, Bernard F Morrey, Robert T Trousdale
BACKGROUND: Formalized training in the specialty of orthopedic surgery began at the Mayo Clinic nearly 100 years ago, and treatment of patients with musculoskeletal injuries and disease began even earlier. A robust historical patient database provides the opportunity for review of the first recorded orthopedic cases at our institution, which date back to 1907. METHODS: The first 400 sequential medical charts of the Mayo Clinic's patient record database were comprehensively reviewed in order to identify the first documented orthopedic cases...
2016: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/27457546/reevaluating-the-functional-implications-of-australopithecus-afarensis-navicular-morphology
#20
Thomas C Prang
The longitudinal arch is a unique characteristic of the human foot, yet the timing and pattern of its evolution remain controversial, in part due to the disagreement among researchers over which skeletal traits are the best indicators of its presence or absence. The small size of the human navicular tuberosity has previously been linked to the presence of a longitudinal arch, implying that the large tuberosity of early hominins such as Australopithecus afarensis reflects a flat foot. However, this hypothesis is at odds with other evidence of pedal form and function, such as metatarsal, tarsal, and footprint morphology, which show that a longitudinal arch was probably present in A...
August 2016: Journal of Human Evolution
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