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Tibialis posterior

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https://www.readbyqxmd.com/read/28920487/unilateral-dislocation-of-the-posterior-tibialis-tendon-ptt-and-flexor-digitorum-longus-tendon-with-contralateral-ptt-subluxation-in-a-patient-with-congenitally-shallow-flexor-groove
#1
Jacob E Waldron, Andrew S Bernhardson, Todd A Fellars
INTRODUCTION: Flexor tendon dislocation from the flexor tendon groove posterior of the medial malleolus has been previously described, and may be difficult to diagnose initially, but is amendable to surgical treatment with good outcomes. We present a unique case of unilateral dislocation of the posterior tibialis and flexor digitorum longus tendons with contralateral flexor digitorum longus subluxation that was treated surgically with a good outcome. CASE PRESENTATION: A 37-year-old active duty male sustained a dislocation and subluxation of the flexor tendons bilaterally after a forced dorsiflexion injury...
October 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28888906/the-comparison-of-ground-reaction-forces-and-lower-limb-muscles-correlation-and-activation-time-delay-between-forward-and-backward-walking
#2
Mohammadreza Mahaki, Gustavo Souto De Sá E Souza, Raghad Mimar, Marcus Fraga Vieira
This study aimed to compare the ground reaction forces (GRF) and lower limb muscles correlation and activation time delay between Forward (FW) and Backward (BW) walking. Twenty-four male students participated in this research. Electromyogram activities of gluteus medius, biceps femoris, medial gastrocnemius, soleus and anterior tibialis muscles along with GRFs were measured. Each participant performed two FW and two BW trials bare foot. Statistical parametric mapping (SPM) analysis was performed over anterior-posterior and vertical GRFs time series...
September 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28883012/fibular-insufficiency-fracture-an-under-reported-complication-of-advanced-tibialis-posterior-dysfunction
#3
Suresh Srinivasan, Harish Kurup
We present a case of fibular insufficiency (stress) fracture in a patient with pre-existing asymptomatic advanced tibialis posterior dysfunction. The patient had severe planovalgus (flat foot) deformity but no pain before the injury; hence had never sought any treatment. She was first treated conservatively for the fracture which failed to control the deformity and had ongoing symptoms. She eventually required tibio-talo-calcaneal fusion. To the best of our knowledge, this is the first case report of this condition in the English literature...
September 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28863723/flexor-digitorum-longus-fdl-or-flexor-hallucis-longus-fhl-harvesting-technical-tip-and-case-studies
#4
Bruce Lehnert, Meir Nyska, Wing Ip, Em Huynh, Ezequiel Palmanovich
BACKGROUND: Harvesting of the flexor digitorum longus (FDL) or the flexor hallucis longus (FHL) is a procedure used when tendon transfer is needed. It is commonly used in tibialis posterior reconstruction and Achilles tendon reconstruction. Harvesting of these tendons is sometimes difficult and time-consuming. It is important to obtain sufficient length to make a loop around the navicular bone or anchor it in the calcaneus. We describe a technique in which a loop is passed from proximal identification of the FDL or FHL through the tendon sheath, harvesting it from a minimal plantar approach...
September 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28840670/-adult-experience-with-the-tibialis-posterior-transposition-to-the-center-of-the-foot-in-neuromuscular-disease
#5
P Parra-Téllez, H Jiménez-López, E López-Gavito, J Vázquez-Escamilla
The transfer of the posterior tibial tendon to the center of the dorsum of the foot is a method used to achieve dorsiflexion in flaccid paralysis of the anterolateral leg muscles or muscular imbalance of clubfoot. OBJECTIVE: To describe functional results back to the surgical procedure for transposition of posterior tibial the center of the foot. MATERIAL AND METHODS: The study design was observational, descriptive, transversal, ambispective with a description of the world of work patients with impaired dorsiflexora foot muscles and impaired gait in the period January 2008 to December 2014...
March 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28818476/complex-anatomic-abnormalities-of-the-lower-leg-muscles-and-tendons-associated-with-phocomelia-a-case-report
#6
Thomas Hodo, Mark Hamrick, Yulia Melenevsky
Musculoskeletal anatomy is widely known to have components that stray from the norm in the form of variant muscle and tendon presence, absence, origin, insertion, and bifurcation. Although these variant muscles and tendons might be deemed incidental and insignificant findings by most, they can be important contributors to pathologic physiology or, more importantly, an option for effective treatment. In the present case report, we describe a patient with phocomelia and Müllerian abnormalities secondary to in utero thalidomide exposure...
August 14, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28767917/action-of-vanillin-vanilla-planifolia-on-the-morphology-of-tibialis-anterior-and-soleus-muscles-after-nerve-injury
#7
Ana Luiza Peretti, Juliana Sobral Antunes, Keli Lovison, Regina Inês Kunz, Lidyane Regina Gomes Castor, Rose Meire Costa Brancalhão, Gladson Ricardo Flor Bertolini, Lucinéia de Fátima Chasko Ribeiro
Objective: To evaluate the action of vanillin (Vanilla planifolia) on the morphology of tibialis anterior and soleus muscles after peripheral nerve injury. Methods: Wistar rats were divided into four groups, with seven animals each: Control Group, Vanillin Group, Injury Group, and Injury + Vanillin Group. The Injury Group and the Injury + Vanillin Group animals were submitted to nerve injury by compression of the sciatic nerve; the Vanillin Group and Injury + Vanillin Group, were treated daily with oral doses of vanillin (150mg/kg) from the 3rd to the 21st day after induction of nerve injury...
April 2017: Einstein
https://www.readbyqxmd.com/read/28767168/the-possibility-of-free-tissue-transfer-as-a-nutrient-flap-for-critical-ischemic-foot-a-case-report
#8
Kentaro Tanaka, Kimihiro Igari, Mitsuhiro Kishino, Satoshi Usami, Tsutomu Homma, Takahiro Toyofuku, Yoshinori Inoue, Mutsumi Okazaki
Microsurgical procedure of free tissue transfer in critical limb ischemia patients with large ulceration has already been established. The nutrient flap concept was that transferred tissue functioned not only to cover the skin defect but also as a supplementary blood supply to the ischemic lower leg. This report showed the justification for this concept, which was rarely discussed. A 58-year-old male patient with progressive forefoot gangrene caused by arteriosclerosis obliterans was presented. The distal bypass procedure was performed as revascularization surgery, and a latissimus dorsi (LD) myocutaneous flap was transplanted to cover ulceration...
August 2, 2017: Microsurgery
https://www.readbyqxmd.com/read/28763477/spatially-localized-phosphorous-metabolism-of-skeletal-muscle-in-duchenne-muscular-dystrophy-patients-24-month-follow-up
#9
M T Hooijmans, N Doorenweerd, C Baligand, J J G M Verschuuren, I Ronen, E H Niks, A G Webb, H E Kan
OBJECTIVES: To assess the changes in phosphodiester (PDE)-levels, detected by 31P magnetic resonance spectroscopy (MRS), over 24-months to determine the potential of PDE as marker for muscle tissue changes in Duchenne Muscular Dystrophy (DMD) patients. METHODS: Spatially resolved phosphorous datasets were acquired in the right lower leg of 18 DMD patients (range: 5-15.4 years) and 12 age-matched healthy controls (range: 5-14 years) at three time-points (baseline, 12-months, and 24-months) using a 7T MR-System (Philips Achieva)...
2017: PloS One
https://www.readbyqxmd.com/read/28761699/high-intensity-flywheel-exercise-and-recovery-of-atrophy-after-90-days-bed-rest
#10
Daniel L Belavý, Hiroshi Ohshima, Jörn Rittweger, Dieter Felsenberg
AIMS: To investigate differential muscle atrophy during bed-rest, the impact of a high-intensity concentric-eccentric (flywheel) resistance exercise countermeasure and muscle recovery after bed-rest. METHODS: Twenty-five healthy male subjects underwent 90 dayshead-down tilt bed-rest. Volume of individual lower-limb muscles was measured via MRI before, twice during and four times up to 1 year after bed-rest. Subjects were either inactive (n=16) or performed flywheel exercise every third day of bed-rest (n=9)...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28756605/magnetic-resonance-imaging-of-leg-muscles-in-patients-with-myotonic-dystrophies
#11
Stojan Peric, Ruzica Maksimovic, Bojan Banko, Milica Durdic, Bogdan Bjelica, Ivo Bozovic, Yunus Balcik, Jovan Pesovic, Dusanka Savic-Pavicevic, Vidosava Rakocevic-Stojanovic
Magnetic resonance imaging (MRI) of muscles has recently become a significant diagnostic procedure in neuromuscular disorders. There is a lack of muscle MRI studies in patients with myotonic dystrophy type 1 (DM1), especially type 2 (DM2). To analyze fatty infiltration of leg muscles, using 3.0 T MRI in patients with genetically confirmed DM1 and DM2 with different disease durations. The study comprised 21 DM1 and 10 DM2 adult patients. Muscle MRI was performed in axial plane of the lower limbs using T1-weighted (T1w) sequence...
July 29, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28726265/how-to-havest-the-greatest-length-of-tibialis-posterior-tendon-in-tibialis-posterior-tendon-transfer-a-cadaveric-study
#12
Korakot Thamphongsri, Thos Harnroongroj, Atthakorn Jarusriwanna, Bavornrit Chuckpaiwong
INTRODUCTION: In anterior transfer of the tibialis posterior tendon, the tendon was harvested using two incisions, the first at its attachment point on the navicular bone and second on the medial side of the leg above the medial malleolus. To provide the maximum tendon length, the second incision needs to be as proximal as possible but injury to the muscle origin must be avoided. The purpose of this study is to establish the location of the second incision that yields the greatest tendon length...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28698915/surgical-treatment-of-stage-ii-posterior-tibialis-tendon-dysfunction-ten-year-clinical-and-radiographic-results
#13
Alberto Ruffilli, Francesco Traina, Sandro Giannini, Roberto Buda, Fabrizio Perna, Cesare Faldini
INTRODUCTION: Grade II chronic tibialis posterior tendon dysfunction (PTTD) poses a reconstructive challenge to the orthopaedic surgeon. Aim of this retrospective study is to report the clinical and radiographical results of a case series of 63 patients (102 ft) affected by grade II PTTD who underwent tailored surgical treatment at 10-year mean follow-up. MATERIALS AND METHODS: Sixty-three patients (102 ft) were available for clinical and radiological evaluation and were retrospectively reviewed at a mean follow-up of 125...
July 11, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28673716/contribution-of-the-supplementary-motor-area-and-the-cerebellum-to-the-anticipatory-postural-adjustments-and-execution-phases-of-human-gait-initiation
#14
Aliénor Richard, Angèle Van Hamme, Xavier Drevelle, Jean-Louis Golmard, Sabine Meunier, Marie-Laure Welter
Several brain structures including the brainstem, the cerebellum and the frontal cortico-basal ganglia network, with the primary and premotor areas have been shown to participate in the functional organization of gait initiation and postural control in humans, but their respective roles remain poorly understood. The aim of this study was to better understand the role of the supplementary motor area (SMA) and posterior cerebellum in the gait initiation process. Gait initiation parameters were recorded in 22 controls both before and after continuous theta burst transcranial stimulation (cTBS) of the SMA and cerebellum, and were compared to sham stimulation, using a randomized double-blind design study...
July 1, 2017: Neuroscience
https://www.readbyqxmd.com/read/28636429/autograft-versus-allograft-for-posterior-cruciate-ligament-reconstruction-an-updated-systematic-review-and-meta-analysis
#15
John W Belk, Matthew J Kraeutler, Justin M Purcell, Eric C McCarty
BACKGROUND: Multiple studies have demonstrated a higher risk of graft failure after anterior cruciate ligament reconstruction with allograft, but limited data are available comparing outcomes of posterior cruciate ligament reconstruction (PCLR) with autograft versus allograft. PURPOSE: To compare the clinical outcomes of autograft versus allograft for primary PCLR. STUDY DESIGN: Systematic review. METHODS: A systematic review was performed by searching PubMed, the Cochrane Library, and EMBASE to locate studies (level of evidence I-III) comparing clinical outcomes of autograft versus allograft in patients undergoing primary PCLR with the conventional transtibial technique...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28633798/case-report-irreducible-ankle-fracture-with-posterior-tibialis-tendon-and-retinaculum-deltoid-ligament-and-anteromedial-joint-capsule-entrapment
#16
Nicole M Stevens, Amy S Wasterlain, Sanjit R Konda
Irreducible ankle fractures are a relatively rare phenomenon. We present a case of a pronation abduction-type ankle fracture that was irreducible in the emergency room despite sedation. The patient was taken to the operating room, where the posterior tibialis tendon and retinaculum, deltoid ligament, and anteromedial capsule were found to be trapped within the joint. After removal of the tissue, alignment was restored. The patient did well clinically and was advanced to full weightbearing at 6 weeks. This is, to the best of our knowledge, the first report of entrapment of all 4 anatomic structures, preventing closed reduction...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28632507/tibialis-posterior-tenosynovitis-a-unique-musculoskeletal-manifestation-of-gout
#17
Peter Shupper, Todd P Stitik
Extra-articular manifestations of gout can present in several ways, including tenosynovitis. We present a rare case of acute tibialis posterior gouty tenosynovitis. An 82-year-old man with a history of well-controlled gout presented with acute onset of left ankle pain, occurring without inciting event. The medial ankle was slightly erythematous with moderate dorsal-medial swelling and mild dorsal-lateral swelling, with severe tenderness to palpation over the medial retro-malleolar region. Range of motion and manual muscle testing were pain limited throughout...
June 20, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28629806/prevalence-of-bleeding-complications-following-ultrasound-guided-botulinum-toxin-injections-in-patients-on-anticoagulation-or-antiplatelet-therapy
#18
Jeffrey LaVallee, Regan Royer, Geoffrey Smith
BACKGROUND: Patients on anticoagulation or antiplatelet therapy may be at higher risk for bleeding complications following intramuscular chemodenervation injections. Musculoskeletal ultrasound may be able to reduce the risk of bleeding complications by providing real-time visualization of vascular structures and postinjection monitoring. Limited data exist addressing the risk of bleeding complications following ultrasound-guided botulinum neurotoxin intramuscular chemodenervation procedures in the setting of anticoagulation or antiplatelet therapy...
June 16, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28601553/skeletal-muscle-water-t2-as-a-biomarker-of-disease-status-and-exercise-effects-in-patients-with-duchenne-muscular-dystrophy
#19
Ami Mankodi, Noura Azzabou, Thomas Bulea, Harmen Reyngoudt, Hirity Shimellis, Yupeng Ren, Eunhee Kim, Kenneth H Fischbeck, Pierre G Carlier
The purpose of this study was to examine exercise effects on muscle water T2 in patients with Duchenne muscular dystrophy (DMD). In 12 DMD subjects and 19 controls, lower leg muscle fat (%) was measured by Dixon and muscle water T2 and R2 (1/T2) by the tri-exponential model. Muscle water R2 was measured again at 3 hours after an ankle dorsiflexion exercise. The muscle fat fraction was higher in DMD participants than in controls (p < .001) except in the tibialis posterior muscle. Muscle water T2 was measured independent of the degree of fatty degeneration in DMD muscle...
August 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28567228/revision-surgery-for-recurrent-pain-after-excision-of-the-accessory-navicular-and-relocation-of-the-tibialis-posterior-tendon
#20
Hong Joon Choi, Woo Chun Lee
BACKGROUND: The results of operative treatments for symptomatic accessory navicular are debatable. In some cases, recurrent pain may develop after the Kidner procedure. The purpose of this study is to review the reasons for recurrent pain after the Kidner procedure and to suggest possible options for revision surgery. METHODS: We reviewed the clinical and radiological outcomes in 9 patients who underwent revision surgery for recurrent pain after the Kidner procedure...
June 2017: Clinics in Orthopedic Surgery
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