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flexor hallucis longus

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https://www.readbyqxmd.com/read/28207961/muscle-stiffness-of-posterior-lower-leg-in-runners-with-a-history-of-medial-tibial-stress-syndrome
#1
Junya Saeki, Masatoshi Nakamura, Sayaka Nakao, Kosuke Fujita, Ko Yanase, Noriaki Ichihashi
Previous history of medial tibial stress syndrome (MTSS) is a risk factor for MTSS relapse, which suggests that there might be some physical factors that are related to MTSS development in runners with a history of MTSS. The relationship between MTSS and muscle stiffness can be assessed in a cross-sectional study that measures muscle stiffness in subjects with a history of MTSS, who do not have pain at the time of measurement, and in those without a history of MTSS. The purpose of this study was to compare the shear elastic modulus, which is an index of muscle stiffness, of all posterior lower leg muscles of subjects with a history of MTSS and those with no history and investigate which muscles could be related to MTSS...
February 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28163203/the-high-variability-of-the-chiasma-plantare-and-the-long-flexor-tendons-anatomical-aspects-of-tendon-transfer-in-foot-surgery
#2
Bettina Pretterklieber
As tendon transfer of the flexor hallucis longus (FHL) and the flexor digitorum longus (FDL) is an established procedure, exact knowledge of the formation of the chiasma plantare is of great interest. Although the quadratus plantae (QP) appears to play a major role, it has been rarely addressed in previous studies. The aim of the present study was to reinvestigate the formation of the chiasma plantare and the composition of the long flexor tendons in order to clarify the inexact and partly contradictory descriptions published from 1865 onward...
February 3, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28156022/in-vivo-fascicle-behavior-of-the-flexor-hallucis-longus-muscle-at-different-walking-speeds
#3
A Péter, A Hegyi, T Finni, N J Cronin
Ankle plantar flexor muscles support and propel the body in the stance phase of locomotion. Besides the triceps surae, flexor hallucis longus muscle (FHL) may also contribute to this role, but very few in vivo studies have examined FHL function during walking. Here, we investigated FHL fascicle behavior at different walking speeds. Ten healthy males walked overground at three different speeds while FHL fascicle length changes were recorded with ultrasound and muscle activity was recorded with surface electromyography (EMG)...
February 3, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28149721/endoscopic-removal-of-loose-bodies-of-the-posterior-ankle-extra-articular-space-arising-from-flexor-hallucis-longus-tenosynovial-osteochondromatosis
#4
Tun Hing Lui
Loose bodies of the posterior ankle can occur either at the posterior recess of the ankle or subtalar joint or at the posterior ankle extra-articular space. Loose bodies at the extra-articular space can be a result of tenosynovial chondromatosis of the tendons of the posterior ankle, especially the flexor hallucis longus tendon. Endoscopic removal of loose bodies of the posterior ankle extra-articular space is indicated for symptomatic cases that are not improved by conservative treatment. It is contraindicated if there is active infection at the planned portal sites or the surgeon is not familiar with the technique of posterior ankle endoscopy...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28112555/incidence-and-association-of-ct-findings-of-ankle-tendon-injuries-in-patients-presenting-with-ankle-and-hindfoot-fractures
#5
Ashkahn Golshani, Liang Zhu, Chunyan Cai, Nicholas M Beckmann
OBJECTIVE: Tendon injuries are a commonly encountered finding in ankle CT examinations performed for fractures. This study was designed to identify the incidence and associations of tendon injuries in ankle CT examinations performed for fractures. MATERIALS AND METHODS: A retrospective review was performed of 410 patients who underwent ankle CT during a 6-year period. RESULTS: Tendon injuries were common, seen in 25% of all ankle CT examinations...
February 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28031505/z-plasty-of-the-flexor-hallucis-longus-tendon-at-tarsal-tunnel-for-checkrein-deformity
#6
Jae Hoon Lee, Young Jun Kim, Jong Hun Baek, Dong Hee Kim
PURPOSES: To review the outcome of Z-plasty of the flexor hallucis longus (FHL) tendon at the tarsal tunnel for checkrein deformity in 8 patients. METHODS: Records of 6 males and 2 females aged 14 to 67 (mean, 39.5) years who underwent Z-plasty (lengthening) of the FHL tendon at the tarsal tunnel for checkrein deformity in the first and second toes by a single surgeon were reviewed. All patients had undergone 3 months of conservative treatment. The mean time from injury to surgical treatment was 8...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/27881830/repair-of-chronic-achilles-ruptures-has-a-high-incidence-of-venous-thromboembolism
#7
Mark J Bullock, William T DeCarbo, Mark H Hofbauer, Joshua D Thun
: Background Despite the low incidence of deep vein thrombosis (DVT) in foot and ankle surgery, some authors report a high incidence of symptomatic DVT following Achilles tendon rupture. The purpose of this study was to identify DVT risk factors inherent to Achilles tendon repair to determine which patients may benefit from prophylaxis. Methods One hundred and thirteen patient charts were reviewed following elective and nonelective Achilles tendon repair. For elective repair of insertional or noninsertional Achilles tendinopathy, parameters examined included lateral versus prone positioning and the presence versus absence of a flexor hallucis longus transfer...
November 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27836255/combined-flexor-hallucis-longus-tendon-transfer-and-gastrocnemius-recession-for-reconstruction-of-gapped-chronic-achilles-tendon-ruptures
#8
Hatem Elsayed Ahmed Elgohary, Nabil A Elmoghazy, Mohammed Serry Abd Ellatif
OBJECTIVE: The aim of this study was to assess the functional outcomes after a combined FHL transfer and a gastrocnemius recession for treatment of chronic ruptures of Achilles tendon with a gap and to investigate the patient's satisfaction about the great toe function after transfer. MATERIAL AND METHODS: 19 patients with chronic rupture of the Achilles tendon with a gap were treated with a flexor halluces longus tendon transfer combined with a gastrocnemius recession, Clinical diagnosis depends on the presence of gap in the tendon on examination, inability of tip toe walking on the affected side and positive calf-squeeze test, MRI was used to confirm the clinical diagnosis...
December 2016: Injury
https://www.readbyqxmd.com/read/27764110/inferring-muscle-tendon-unit-power-from-ankle-joint-power-during-the-push-off-phase-of-human-walking-insights-from-a-multiarticular-emg-driven-model
#9
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
https://www.readbyqxmd.com/read/27746496/reconstruction-of-kuwada-grade-iv-chronic-achilles-tendon-rupture-by-minimally-invasive-technique
#10
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
https://www.readbyqxmd.com/read/27666628/the-clinical-and-radiological-importance-of-extraarticular-contrast-material-leakage-into-adjacent-synovial-compartments-on-ankle-mr-arthrography-in-patients-with-ocd-and-anterolateral-impingement
#11
Hayri Ogul, Yunus Guzel, Berhan Pirimoglu, Kutsi Tuncer, Gokhan Polat, Fatih Ergun, Recep Sade, Ummugulsum Bayraktutan, Ihsan Yuce, Mecit Kantarci
PURPOSE: To evaluate the tibiotalar joint capacity and the localisation, frequency and amount of extravasation in patients with extraarticular contrast material leakage into adjacent synovial compartments on ankle magnetic resonance (MR) arthrography. MATERIALS AND METHODS: Sites of extravasation were determined in the ankle MR arthrograms of 69 patients. Thirty-four patients without extraarticular contrast material leakage into locations unrelated to the injection path were included as a control group...
October 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27604514/flexor-hallucis-longus-tendon-transfer-fixation-a-biomechanical-analysis-of-the-effects-of-a-terminal-whipstitch-and-bone-tunnel-length
#12
Jessica Lee, Chad Williams, Charles Lowrey, Greg Gould, Ronald Markert, Richard Laughlin
: Introduction Flexor hallucis longus (FHL) tendon transfer to the calcaneus is commonly used in the surgical treatment of chronic Achilles tendinopathy. This study assesses the integrity of FHL tendon biotenodesis screw fixation with respect to 2 variables: incorporation of a terminal whipstitch and tunnel depth. Materials and methods A total of 60 fresh-frozen cadaver FHL tendons and 28 calcanei were harvested for analysis in 4 sets of fixation constructs; 14 whipstitched tendons were compared against their nonwhipstitched paired tendon via pull-out strength load testing, and 16 tendon pairs were randomized for fixation in either a full-depth tunnel (bicortical) or a 25-mm partial tunnel (unicortical)...
September 7, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27589967/tarsal-tunnel-disease-and-talocalcaneal-coalition-mri-features
#13
Erin FitzGerald Alaia, Zehava Sadka Rosenberg, Jenny T Bencardino, Gina A Ciavarra, Ignacio Rossi, Catherine N Petchprapa
OBJECTIVE: To assess, utilizing MRI, tarsal tunnel disease in patients with talocalcaneal coalitions. To the best of our knowledge, this has only anecdotally been described before. MATERIALS AND METHODS: Sixty-seven ankle MRIs with talocalcaneal coalition were retrospectively reviewed for disease of tendons and nerves of the tarsal tunnel. Interobserver variability in diagnosing tendon disease was performed in 30 of the 67 cases. Tarsal tunnel nerves were also evaluated in a control group of 20 consecutive ankle MRIs...
November 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27550928/os-trigonum-excision-in-dancers-via-an-open-posteromedial-approach
#14
Jessica H Heyer, Donald J Rose
BACKGROUND: An os trigonum is a potential source of posterior ankle pain in dancers, often associated with flexor hallucis longus (FHL) pathology. Options for operative excision include open excision, subtalar arthroscopy, and posterior endoscopy. The purpose of this paper was to present a series of dancers who underwent excision of a symptomatic os trigonum via an open posteromedial approach. METHODS: This study is a retrospective case series of 40 ankles in 38 dancers who underwent os trigonum excision via an open posteromedial approach with FHL tenolysis between 2000 and 2013...
January 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/27502228/posterior-ankle-and-hindfoot-endoscopy-a-cadaveric-study
#15
T H Lui, L K Chan
BACKGROUND: The list of indications of posterior ankle endoscopy is expanding and includes various soft tissue and bony pathologies of the posterior ankle. Some of the indications, e.g. release of frozen ankle, debridement of posteromedial soft tissue impingement of the ankle and debridement or fixation of the posteromedial osteochondral lesion of the talus, require approach to the posterior ankle medial to the flexor hallucis longus tendon. The purpose of this study was to assess the risk of injury to the posterior tibial neurovascular bundle during posterior ankle endoscopy...
September 2016: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27428528/muscle-tendon-glucose-uptake-in-achilles-tendon-rupture-and-tendinopathy-before-and-after-eccentric-rehabilitation-comparative-case-reports
#16
Tahir Masood, Kari Kalliokoski, Jens Bojsen-Møller, Taija Finni
Achilles tendon rupture (ATR) is the most common tendon rupture injury. The consequences of ATR on metabolic activity of the Achilles tendon and ankle plantarflexors are unknown. Furthermore, the effects of eccentric rehabilitation on metabolic activity patterns of Achilles tendon and ankle plantarflexors in ATR patients have not been reported thus far. We present a case study demonstrating glucose uptake (GU) in the Achilles tendon, the triceps surae, and the flexor hallucis longus of a post-surgical ATR patient before and after a 5-month eccentric rehabilitation...
September 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27385836/conservative-management-of-posterior-ankle-impingement-a-case-report
#17
Isabelle Senécal, Nadia Richer
OBJECTIVE: To describe the pain and functional improvements of a patient with posterior ankle impingement following a treatment plan incorporating soft tissue therapy, chiropractic adjustment and a progressive rehabilitation program. CLINICAL FEATURES: A 37-year- old male presented with posterolateral ankle pain exacerbated by plantar flexion two weeks after sustaining an inversion ankle sprain. Oedema was present and the patient was describing a sensation of instability while walking...
June 2016: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/27381505/interaction-of-resistance-training-electroacupuncture-and-huang-qi-supplementation-on-skeletal-muscle-function-and-glut4-protein-concentration-in-rats
#18
Sukho Lee, Kijeong Kim, Nathalie J Lambrecht, Junyoung Hong, Yi-Hung Liao, Aram Yoon, Jeffrey R Bernard
OBJECTIVE: To determine the effects and potential synergy of resistance training (RT), Huang Qi (HQ) herbal supplementation, and electroacupuncture (EA) on skeletal muscle mass, contractile properties, and components of the insulin signalling pathway in healthy Sprague Dawley rats. METHODS: Female Sprague Dawley rats were randomly assigned to one of five groups (n=8 each): control (CON), RT only, RT with EA (RT-EA), RT with HQ (RT-HQ), and RT combined with both EA and HQ (RT-EA-HQ)...
October 2016: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/27351189/-concept-of-plantarization-for-toe-correction-in-diabetic-foot-syndrome
#19
G Engels, H Stinus, D Hochlenert, A Klein
OBJECTIVE: Elimination of plantarization of the tip of the toe and torsion of digit 1 (D1) or D5 using percutaneous tenotomy of the flexor hallucis longus (FHL) - or the flexor digitorum longus (FDL) muscle. INDICATIONS: Flexible, in some cases also fixated hyperflexion misalignment and torsion misalignment of the distal phalanx of the toe with plantarization of physiologically non-loaded bearing parts of the toes in patients with diabetic foot syndrome (neuropathy)...
October 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27343132/minimally-invasive-plate-osteosynthesis-using-posterolateral-approach-for-distal-tibial-and-tibial-shaft-fractures
#20
Norio Yamamoto, Kenichi Ogawa, Chuji Terada, Yoshiki Okazaki, Kazuo Munetomo, Tomoyuki Noda, Toshifumi Ozaki
OBJECTIVE: The objective of the study was to evaluate the effectiveness of the posterolateral minimally invasive plate osteosynthesis (MIPO) method for managing distal tibial or tibial shaft fractures with severe anterior and medial soft tissue injuries. MATERIALS AND METHODS: Five consecutive patients with three distal tibial and two tibial shaft fractures (three open fractures) at a level-1 trauma and tertiary referral center were retrospectively reviewed. All patients were definitively treated and followed to bone union...
August 2016: Injury
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