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https://www.readbyqxmd.com/read/29126039/the-resistance-to-failure-of-spring-ligament-reconstruction
#1
Chandra Pasapula, Adam Devany, Nicole C Fischer, Coen A Wijdicks, Tim Hübner, Franziska Reifenscneider, Sajid Shariff
INTRODUCTION: The spring ligament (SL) is increasingly recognised as the major structure that fails in acquired adult flatfoot deformity (AAFD). This is the first study that demonstrates integrity of repair of the SL. PATIENTS AND METHODS: Six pairs of fresh frozen cadavers were setup in a standardised fashion with ankle in plantargrade (mean age 59 years, BMI 25). A 25N lateral force was applied to the medial metatarsal head using an algometer. Lateral displacement of the foot was measured with SL intact, sectioned, following FibreWire(®) repair, then Arthrex InternalBrace (IB) reconstruction, then with selective sectioning of each limb of the IB reconstruction...
June 3, 2017: Foot
https://www.readbyqxmd.com/read/29079242/fibulocalcaneal-impingement-in-a-growing-child-with-otherwise-asymptomatic-talocalcaneal-coalition
#2
G Ulrich Exner, Hilaire A C Jacob, Gerardo J Maquieira
Subfibular impingement has been described in patients with flatfoot. It possibly occurs with valgus deformity associated with talocalcaneal coalition. We observed symptomatic unilateral fibular impingement initially on the left foot of an 11-year-old female with an otherwise asymptomatic bilateral talocalcaneal coalition. From the age of 8 years, she had complained of pain around the left fibular tip. Magnetic resonance imaging showed a partial talocalcaneal coalition. At 10 years of age, it was questioned whether the pain was related to the coalition...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29073794/porous-titanium-wedges-in-lateral-column-lengthening-for-adult-acquired-flatfoot-deformity
#3
Spencer H Moore, S Evan Carstensen, M Tyrrell Burrus, Truitt Cooper, Joseph S Park, Venkat Perumal
Lateral column lengthening (LCL) is a common procedure for reconstruction of stage II flexible adult-acquired flatfoot deformity (AAFD). The recent development of porous titanium wedges for this procedure provides an alternative to allograft and autograft. The purpose of this study was to report radiographic and clinical outcomes achieved with porous titanium wedges in LCL. A retrospective analysis of 34 feet in 30 patients with AAFD that received porous titanium wedges for LCL from January 2011 to October 2014...
October 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29065668/how-arch-support-insoles-help-persons-with-flatfoot-on-uphill-and-downhill-walking
#4
Yu-Ping Huang, Kwantae Kim, Chen-Yi Song, Yat-Hon Chen, Hsien-Te Peng
The main purpose of this study was to investigate the effect of arch support insoles on uphill and downhill walking of persons with flatfoot. Sixteen healthy college students with flatfoot were recruited in this study. Their heart rate, peak oxygen uptake (VO2), and median frequency (MDF) of surface electromyogram were recorded and analyzed. Nonparametric Wilcoxon signed-rank test was used for statistical analysis. The main results were as follows: (a) peak VO2 significantly decreased with arch support insoles compared with flat insoles during uphill and downhill walking (arch support insole versus flat insole: uphill walking, 20...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29065655/the-effect-of-arch-height-and-material-hardness-of-personalized-insole-on-correction-and-tissues-of-flatfoot
#5
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/29041945/double-calcaneal-osteotomy-for-severe-adolescent-flexible-flatfoot-reconstruction
#6
Yang Xu, Yong-Xing Cao, Xing-Chen Li, Yuan Zhu, Xiang-Yang Xu
BACKGROUND: The timing and strategy of treatment for flatfoot still remain controversial. It is a difficult problem when facing severe adolescent flexible flatfoot because a single procedure cannot realign flatfoot deformity effectively. METHODS: We reviewed 13 adolescent flexible flatfoot patients who underwent double calcaneal osteotomy during May 2012 to June 2015. The mean age of patients was 15.2 ± 1.8 (range, 10-18) years. The American Orthopaedic Foot and Ankle Society Ankle-Hindfoot (AOFAS-AH) scores and SF-36 score were adopted to evaluate the preoperative and postoperative functions of the foot...
October 17, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29024605/hip-and-ankle-kinematics-in-noncontact-anterior-cruciate-ligament-injury-situations-video-analysis-using-model-based-image-matching
#7
Hideyuki Koga, Atsuo Nakamae, Yosuke Shima, Roald Bahr, Tron Krosshaug
BACKGROUND: Detailed kinematic descriptions of real anterior cruciate ligament (ACL) injury situations are limited to the knee only. PURPOSE: To describe hip and ankle kinematics as well as foot position relative to the center of mass (COM) in ACL injury situations through use of a model-based image-matching (MBIM) technique. The distance between the projection of the COM on the ground and the base of support (BOS) (COM_BOS) normalized to the femur length was also evaluated...
October 1, 2017: American Journal of Sports Medicine
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
#8
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
https://www.readbyqxmd.com/read/28985691/comparative-outcomes-between-step-cut-lengthening-calcaneal-osteotomy-vs-traditional-evans-osteotomy-for-stage-iib-adult-acquired-flatfoot-deformity
#9
Stuart M Saunders, Scott J Ellis, Constantine A Demetracopoulos, Anca Marinescu, Jayme Burkett, Jonathan T Deland
BACKGROUND: The forefoot abduction component of the flexible adult-acquired flatfoot can be addressed with lengthening of the anterior process of the calcaneus. We hypothesized that the step-cut lengthening calcaneal osteotomy (SLCO) would decrease the incidence of nonunion, lead to improvement in clinical outcome scores, and have a faster time to healing compared with the traditional Evans osteotomy. METHODS: We retrospectively reviewed 111 patients (143 total feet: 65 Evans, 78 SLCO) undergoing stage IIB reconstruction followed clinically for at least 2 years...
October 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28979585/posterior-tibial-tendon-dysfunction-an-overview
#10
Samuel Ka-Kin Ling, Tun Hing Lui
BACKGROUND: Adult acquired flatfoot deformity is a commonly seen condition with a large clinical spectrum. It ranges from asymptomatic subjects to severely disabled arthritic patients. Posterior tibialis tendon dysfunction is a common cause of adult acquired flatfoot deformity. METHODS: This article systematically reviews the published literature from books and journals that were either originally written or later translated into the English language regarding the subject of posterior tibialis tendon dysfunction...
2017: Open Orthopaedics Journal
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
#11
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/28926392/flexible-adult-acquired-flatfoot-deformity-comparison-between-weight-bearing-and-non-weight-bearing-measurements-using-cone-beam-computed-tomography
#12
Cesar de Cesar Netto, Lew C Schon, Gaurav K Thawait, Lucas Furtado da Fonseca, Apisan Chinanuvathana, Wojciech B Zbijewski, Jeffrey H Siewerdsen, Shadpour Demehri
BACKGROUND: The 3-dimensional nature of adult acquired flatfoot deformity can be challenging to characterize using radiographs. We tested the hypothesis that measurements on weight-bearing (WB) cone-beam computed tomography (CT) images were more useful for demonstrating the severity of the deformity than non-weight-bearing (NWB) measurements. METHODS: We prospectively enrolled 12 men and 8 women (mean age, 52 years; range, 20 to 88 years) with flexible adult acquired flatfoot deformity...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926327/long-term-outcomes-of-the-calcaneo-stop-procedure-in-the-treatment-of-flexible-flatfoot-in-children-a-retrospective-study
#13
Francisca Pinho Costa, Gilberto Costa, Manuel Santos Carvalho, António Mendes Moura, Rui Pinto, João Torres
INTRODUCTION: Flexible flatfoot is common amongst children, although treatment is rarely indicated. The calcaneo-stop procedure has been reported to be effective in short-term studies. We aim to evaluate the long-term outcomes of the calcaneo-stop procedure in the treatment of flexible flatfoot in children. MATERIAL AND METHODS: Twenty-six calcaneo-stop procedures performed between 1995 and 2006 on 13 patients were evaluated clinically and using photopodoscopy, and the FAOS questionnaire was applied for both feet...
August 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28925669/lower-extremity-abnormalities-in-children
#14
Caitlyn M Rerucha, Caleb Dickison, Drew C Baird
Leg and foot problems in childhood are common causes of parental concern. Rotational problems include intoeing and out-toeing. Intoeing is most common in infants and young children. Intoeing is caused by metatarsus adductus, internal tibial torsion, and femoral anteversion. Out-toeing is less common than intoeing and occurs more often in older children. Out-toeing is caused by external tibial torsion and femoral retroversion. Angular problems include genu varum (bowleg) and genu valgum (knock knee). With pes planus (flatfoot), the arch of the foot is usually flexible rather than rigid...
August 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28902608/technique-tricks-for-the-gleich-koutsogiannis-surgical-procedure-for-correction-of-the-adult-acquired-flatfoot
#15
Andrea Salvi, Andrea Volghi
Gleich-Koutsogiannis is a widely known extra-articular closing calcaneal osteotomic technique for correction of the adult flatfoot. Absolute care must be observed during each procedural step to avoid undesirable drawbacks, such as nerves and tendons lesions, incorrect fixation, and hardware painful prominence. It is the purpose of this report to introduce tricks to critical steps in order to improve the technique and minimize potential surgical complications.
May 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28861205/gait-analysis-of-symptomatic-flatfoot-in-children-an-observational-study
#16
Ha Yong Kim, Hyuck Soo Shin, Jun Hyuck Ko, Yong Han Cha, Jae Hoon Ahn, Jae Yeon Hwang
BACKGROUND: Flatfoot deformity is a lever arm disease that incurs kinetic inefficiency during gait. The purpose of this study was to measure the degree of kinetic inefficiency by comparing the gait analysis data of a flatfoot group with a normal control group. METHODS: The patient group consisted of 26 children (21 males and 5 females) with symptomatic flatfoot. They were examined with gait analysis between May 2005 and February 2014. Exclusion criteria were patients with secondary flatfoot caused by neuromuscular disorders, tarsal coalition, vertical talus, or others...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28858119/flatfoot-in-the-contralateral-foot-in-patients-with-unilateral-idiopathic-clubfoot-treated-using-the-foot-abduction-brace
#17
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
While the foot abduction brace (FAB) plays an important role in the Ponseti method, the true function of the FAB in the treatment of idiopathic clubfoot remains unknown. In our clinical experience, we have noted that many patients with unilateral idiopathic clubfoot developed significant flatfoot in the contralateral foot during brace treatment. The purpose of this study was to investigate the natural history of the contralateral foot development during and after brace wear. We also discuss the effect of the FAB on the contralateral foot...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28843551/calcaneocuboid-distraction-arthrodesis-with-synthetic-bone-grafts-preliminary-results-of-an-innovative-bone-grafting-procedure-in-13%C3%A2-patients
#18
Hayato Kobayashi, Yasunori Kageyama, Yoji Shido
Calcaneocuboid distraction arthrodesis (CCDA) is regarded as an effective method for reconstructing adult-acquired flatfoot deformity. In the present study, we present our experience with newly developed rigid β-tricalcium phosphate wedges to treat CCDA to better understand the outcomes of this synthetic bone grafting procedure. A total of 13 feet in 13 patients underwent CCDA with synthetic bone grafts. One male (7.69%) and 12 females (92.31%), with a mean age of 65.07 ± 11.83 (range 36 to 77) years, were followed up for a mean duration of 32...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28806265/adult-acquired-flatfoot-deformity-etiology-diagnosis-and-management
#19
Mostafa M Abousayed, Maxwell C Alley, Rachel Shakked, Andrew J Rosenbaum
No abstract text is available yet for this article.
August 2017: JBJS Reviews
https://www.readbyqxmd.com/read/28779815/the-flatfoot-even-after-decades-of-work-we-still-need-help-understanding-it
#20
EDITORIAL
J Kent Ellington
No abstract text is available yet for this article.
September 2017: Foot and Ankle Clinics
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