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foot and ankle

Eric C Honert, Karl E Zelik
INTRODUCTION: Inverse dynamics joint kinetics are often used to infer contributions from underlying groups of muscle-tendon units (MTUs). However, such interpretations are confounded by multiarticular (multi-joint) musculature, which can cause inverse dynamics to over- or under-estimate net MTU power. Misestimation of MTU power could lead to incorrect scientific conclusions, or to empirical estimates that misguide musculoskeletal simulations, assistive device designs, or clinical interventions...
2016: PloS One
James Charles
BACKGROUND: In clinical and research settings, ankle joint dorsiflexion needs to be reliably measured. Dorsiflexion is often measured by goniometry, but the intrarater and interrater reliability of this technique have been reported to be poor. Many devices to measure dorsiflexion have been developed for clinical and research use. An evaluation of 12 current tools showed that none met all of the desirable criteria. The purpose of this study was to design and develop a device that rates highly in all of the criteria and that can be proved to be highly reliable...
September 2, 2016: Journal of the American Podiatric Medical Association
M Satheesh Kumar, Ayush Lohiya, Viviktha Ramesh, Priyamadhaba Behera, Sarika Palepu, S A Rizwan
OBJECTIVES: To compare pulse oximetry and Ankle-Brachial Index (ABI) with duplex ultrasonography as reference standard to determine the diagnostic accuracy for screening asymptomatic PVD in type 2 diabetes mellitus. METHODS: This cross-sectional study was conducted in 2012 at tertiary hospital in Madurai among diabetic patients attending the medicine outpatient department (OPD). Type 2 Diabetes Mellitus patients, asymptomatic with regards to symptoms and signs of PVD, aged above 40 years were included...
August 2016: Journal of the Association of Physicians of India
(no author information available yet)
Oliver SM, Coetzee JC, Nilsson LJ, Samuelson KM, Stone RM, Fritz JE, Giveans MR. Early patient satisfaction results on a modern generation fixed-bearing total ankle arthroplasty. Foot Ankle Int 2016;37(9):938-943. (Original DOI: 10.1177/1071100716648736).
October 18, 2016: Foot & Ankle International
Robert P Lamberts, Marlette Burger, Jacques du Toit, Nelleke G Langerak
BACKGROUND: Three-dimensional gait analysis (3DGA) is commonly used to assess the effect of orthopedic single-event multilevel surgery (SEMLS) in children with spastic cerebral palsy (CP). PURPOSE: The purpose of this systematic review is to provide an overview of different orthopedic SEMLS interventions and their effects on 3DGA parameters in children with spastic CP. METHODS: A comprehensive literature search within six databases revealed 648 records, from which 89 articles were selected for the full-text review and 24 articles (50 studies) included for systematic review...
2016: PloS One
Kun Zhang, Yanxi Chen, Minfei Qiang, Yini Hao
Single, double, and triple hindfoot arthrodeses are used to correct hindfoot deformities and relieve chronic pain. However, joint fusion may lead to dysfunction in adjacent articular surfaces. We compared range of motion in adjacent joints before and after arthrodesis to determine the effects of each procedure on joint motion. The theory of moment of couple, bending moment and balanced loading was applied to each of 16 fresh cadaver feet to induce dorsiflexion, plantarflexion, internal rotation, external rotation, inversion, and eversion...
October 18, 2016: Scientific Reports
Kanan Yatsuya, Satoshi Hirano, Eiichi Saitoh, Shigeo Tanabe, Hirotaka Tanaka, Masayuki Eguchi, Masaki Katoh, Yasuhiro Shimizu, Akito Uno, Hitoshi Kagaya
OBJECTIVE: To compare the energy efficiency of Wearable Power-Assist Locomotor (WPAL) with conventional knee-ankle-foot orthoses (MSH-KAFO) such as Hip and Ankle Linked Orthosis (HALO) or Primewalk. STUDY DESIGN: Cross over case-series. SETTING: Chubu Rosai Hospital, Aichi, Japan, which is affiliated with the Japan Organization of Occupational Health and Safety. METHODS: Six patients were trained with MSH-KAFO (either HALO or Primewalk) and WPAL...
October 17, 2016: Journal of Spinal Cord Medicine
Xudong Miao, Yongping Wu, Huimin Tao, Disheng Yang, Lu Huang
BACKGROUND: Transfer of a flexor hallucis longus (FHL) tendon can not only reconstruct the Achilles tendon but also provide ischemic tendinous tissues with a rich blood supply to enhance wound healing. This retrospective study aims to investigate clinical outcomes in patients who underwent repair of Kuwada grade IV chronic Achilles tendon rupture with long hallucis longus tendons harvested using a minimally invasive technique. MATERIALS AND METHODS: 35 patients who were treated for Kuwada grade IV Achilles tendon injuries from July 2006 to June 2011 were included in this retrospective study...
September 2016: Indian Journal of Orthopaedics
F G Usuelli, C A Di Silvestri, R D'Ambrosi, C Maccario, E W Tan
PURPOSE: Medial displacement calcaneal osteotomy with flexor digitorum longus transfer is a common treatment for the management of the adult flatfoot associated with posterior tibial tendon dysfunction. In the literature, there is a paucity of information regarding the ability of patients to return to sport and recreational activities after this surgical procedure. The purpose of this retrospective clinical study was to assess the rate and type of athletic activities that patients participated in before and after medial displacement calcaneal osteotomy with flexor digitorum longus transfer...
October 15, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Won Soek Chae, Sang Hyun Kim, Sung Hwan Cho, Joon Ho Lee, Mi Sun Lee
The superficial peroneal nerve is vulnerable to damage from ankle sprain injuries and fractures as well as surgery to this region. And it is also one of the most commonly involved nerves in complex regional pain syndrome type II in the foot and ankle region. We report two cases of ultrasound-guided pulsed radiofrequency treatment of superficial peroneal nerve for reduction of allodynia in CRPS patients.
October 2016: Korean Journal of Pain
Andrew R Hsu, Robert B Anderson
Physicians need to be aware of a variety of foot and ankle injuries that commonly occur in American football, including turf toe, Jones fractures, Lisfranc injuries, syndesmotic and deltoid disruption, and Achilles ruptures. These injuries are often complex and require early individual tailoring of treatment and rehabilitation protocols. Successful management and return to play requires early diagnosis, a thorough work-up, and prompt surgical intervention when warranted with meticulous attention to restoration of normal foot and ankle anatomy...
September 2016: American Journal of Orthopedics
A M Mahon, C MacGilchrist, C McIntosh, T O'Brien
BACKGROUND: Diabetes mellitus, coined the 'Black Death of the Twenty-First Century', is associated with complications, including foot ulceration with potential loss of limb. There is a need for development of new wound therapies through completion of robust clinical trials. AIMS: To profile demographics and wound characteristics of an Irish cohort with diabetes, forecast eligibility for entry to a clinical trial of advanced wound therapeutics, and adjust criteria to optimize eligibility for enrolment...
October 11, 2016: Irish Journal of Medical Science
Dong Yeon Lee, Sang Gyo Seo, Eo Jin Kim, Sung Ju Kim, Kyoung Min Lee, In Ho Choi
BACKGROUND: Multi-segment Foot Models (MFM) have increased in use for both clinical and research applications; however, little is known about the gender differences of inter-segmental motions within the foot and ankle during gait. The objectives of this study were to analyze the gender differences of inter-segmental foot motion during gait in healthy young adults using a MFM with a 15-marker set. METHODS: One hundred healthy adults (50 males, 50 females) between 20 and 35 years of age who had normal function and no radiographic abnormality, were evaluated...
October 7, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
Gözde Özcan Söylev, Hakan Boya
Complex regional pain syndrome (CRPS) is a painful and disabling disorder that usually affects the extremities. This complication may affect the knee joint after total knee arthroplasty (TKA). We report a unique case of CRPS of the foot and ankle, which was an unusual involvement site for CRPS after TKA.
October 7, 2016: Acta Orthopaedica et Traumatologica Turcica
M Cody O'Dell, Diego Jaramillo, Laura Bancroft, Laura Varich, Gregory Logsdon, Sabah Servaes
With increasing participation and intensity of training in youth sports in the United States, the incidence of sports-related injuries is increasing, and the types of injuries are shifting. In this article, the authors review sports injuries of the lower extremity, including both acute and overuse injuries, that are common in or specific to the pediatric population. Common traumatic injuries that occur in individuals of all ages (eg, tears of the acetabular labrum and anterior cruciate ligament) are not addressed, although these occur routinely in pediatric sports...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Gary M LiMarzi, Kurt F Scherer, Michael L Richardson, David R Warden, Christopher W Wasyliw, Jack A Porrino, Christopher R Pettis, Gideon Lewis, Christopher C Mason, Laura W Bancroft
A variety of surgical procedures exist for repair of both traumatic and degenerative osseous and soft-tissue pathologic conditions involving the foot and ankle. It is necessary for the radiologist to be familiar with these surgical procedures, so as to assess structural integrity, evaluate for complicating features, and avoid diagnostic pitfalls. Adequate interpretation of postoperative changes often requires access to surgical documentation to evaluate not only the surgery itself but the expected timeline for resolution of normal postoperative changes versus progressive disease...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Carlos Acosta-Olivo, Jorge Elizondo-Rodriguez, Ricardo Lopez-Cavazos, Felix Vilchez-Cavazos, Mario Simental-Mendia, Oscar Mendoza-Lemus
BACKGROUND: Many treatment options for plantar fasciitis currently exist, some with great success in pain relief. The objective of our study was to compare the use of intralesional steroids with platelet-rich plasma (PRP), using pain scales and functional evaluation, in patients with plantar fasciitis who did not respond to conservative treatment. METHODS: A controlled, randomized, blinded clinical assay was performed. Patients were assigned to one of the two groups by selecting a sealed envelope...
October 11, 2016: Journal of the American Podiatric Medical Association
Min Wei, Yujie Liu, Zhongli Li, Zhigang Wang
BACKGROUND: We sought to compare clinical efficacy among endoscopy-assisted radio-frequency ablation under local anesthesia, extracorporeal shockwaves (ESWs), and eccentric exercises in treating insertional Achilles tendinosis. METHODS: In this retrospective study, 78 patients diagnosed as having unilateral insertional Achilles tendinosis were enrolled. These participants underwent endoscopy-assisted radio-frequency ablation, ESWs, and eccentric calf muscle exercises between March 1, 2006, and February 28, 2011...
October 10, 2016: Journal of the American Podiatric Medical Association
Byung-Joon Jeon, Hwan Jun Choi, Jin Seok Kang, Min Sung Tak, Eun Soo Park
Diabetes mellitus is a common metabolic disorder. Among various complications, diabetic neuropathy and peripheral vascular disorders are closely associated with diabetic foot ulcers (DFUs). Lower extremity ulcers and amputations are ongoing problems among individuals with diabetes. There are several classification systems for DFUs; however, no prognostic system has to date been accepted as the gold standard or the optimum prediction tool for amputations. A retrospective study was designed. Demographic data and baseline laboratory data were gathered and scored or evaluated using five representative DFU classification systems...
October 10, 2016: International Wound Journal
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)...
October 6, 2016: Human Movement Science
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