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Tibialis posterior

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https://www.readbyqxmd.com/read/29780328/contractile-activity-is-necessary-to-trigger-intermittent-hypobaric-hypoxia-induced-fiber-size-and-vascular-adaptations-in-skeletal-muscle
#1
David Rizo-Roca, Jèssica B Bonet, Büsra Ínal, Juan Gabriel Ríos-Kristjánsson, Teresa Pagès, Ginés Viscor, Joan R Torrella
Altitude training has become increasingly popular in recent decades. Its central and peripheral effects are well-described; however, few studies have analyzed the effects of intermittent hypobaric hypoxia (IHH) alone on skeletal muscle morphofunctionality. Here, we studied the effects of IHH on different myofiber morphofunctional parameters, investigating whether contractile activity is required to elicit hypoxia-induced adaptations in trained rats. Eighteen male Sprague-Dawley rats were trained 1 month and then divided into three groups: (1) rats in normobaria (trained normobaric inactive, TNI); (2) rats subjected daily to a 4-h exposure to hypobaric hypoxia equivalent to 4,000 m (trained hypobaric inactive, THI); and (3) rats subjected daily to a 4-h exposure to hypobaric hypoxia just before performing light exercise (trained hypobaric active, THA)...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29765178/gender-difference-in-factors-affecting-the-medial-longitudinal-arch-height-of-the-foot-in-healthy-young-adults
#2
Katsuhito Nagano, Risako Okuyama, Natsuki Taniguchi, Tomoki Yoshida
[Purpose] Medial longitudinal arch (MLA) height is associated with various injuries and diseases and gender differences, if any. This study aimed to examine factors affecting the MLA height associated with gender differences in healthy subjects with no orthopedic disorders. [Subjects and Methods] This study included 36 healthy adults (19 males, 17 females; mean age, 21.8 ± 3.6 years; body mass index, 21.1 ± 2.0 kg/m2 ). Their height, body weight, foot length, muscle strength of the tibialis posterior muscle (TPM), toe-gripping strength, hallux valgus angle, inversion microdactylia angle, angle of leg-heel alignment, femoro-tibial angle, and navicular height were measured...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29728834/graft-sources-do-not-affect-to-the-outcome-of-transtibial-posterior-cruciate-ligament-reconstruction-a-systematic-review
#3
Yong Seuk Lee, Seung Hoon Lee, O-Sung Lee
INTRODUCTION: Despite numerous published reports on posterior cruciate ligament (PCL) reconstruction in the past 30 years, the ideal graft source remains unclear, and few objective scientific data have been published that thoroughly evaluate the long-term outcomes according to the graft source. We, therefore, conducted a systematic review of available high-quality comparative studies that evaluated clinical and objective stability testing to compare the different graft sources for PCL reconstruction...
May 4, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29682982/resection-of-medial-talocalcaneal-coalition-with-interposition-of-a-pediculated-flap-of-tibialis-posterior-tendon-sheath
#4
Jan Hubert, Thelonius Hawellek, Frank Timo Beil, Dominik Saul, Jens Henning Kling, Christoph Viebahn, Oliver Jungesblut, Ralf Stücker, Martin Rupprecht
BACKGROUND: The purpose of the study was to present a novel operative technique in the management of medial talocalcaneal coalition (TC) and to report our clinical and radiologic results after interposition of a pediculated flap (PF) of the tibialis posterior tendon sheath. METHODS: Twelve feet of 10 patients with a medial TC were treated with the interposition of PF of the tibialis posterior tendon sheath following resection. Pre- and postoperative clinical examinations were performed to evaluate the range of motion and the function of the tibialis posterior muscle of the affected foot...
April 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29627930/flexor-digitorum-longus-tendon-transfer-to-the-navicular-tendon-to-tendon-repair-is-stronger-compared-with-interference-screw-fixation
#5
Daniel Marsland, Joanna M Stephen, Toby Calder, Andrew A Amis, James D F Calder
PURPOSE: To assess whether early rehabilitation could be safe after flexor digitorum longus (FDL) tendon transfer, the current biomechanical study aimed to measure tendon displacement under cyclic loading and load to failure, comparing a traditional tendon-to-tendon (TT) repair with interference screw fixation (ISF). METHODS: 24 fresh-frozen cadaveric below knee specimens underwent FDL tendon transfer. In 12 specimens a TT repair was performed via a navicular bone tunnel...
April 7, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29582684/strength-of-interference-screw-fixation-to-cuboid-vs-pulvertaft-weave-to-peroneus-brevis-for-tibialis-posterior-tendon-transfer-for-foot-drop
#6
Daniel Marsland, Joanna M Stephen, Toby Calder, Andrew A Amis, James D F Calder
BACKGROUND: Tibialis posterior (TP) tendon transfer is an effective treatment for foot drop. Currently, standard practice is to immobilize the ankle in a cast for 6 weeks nonweightbearing, risking postoperative stiffness. To assess whether early active dorsiflexion and protected weightbearing could be safe, the current study assessed tendon displacement under cyclic loading and load to failure, comparing the Pulvertaft weave (PW) to interference screw fixation (ISF) in a cadaveric foot model...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29541532/muscle-sympathetic-nerve-activity-coupled-changes-in-brain-activity-during-sustained-muscle-pain
#7
Sophie Kobuch, Azharuddin Fazalbhoy, Rachael Brown, Vaughan G Macefield, Luke A Henderson
Introduction: Long-lasting experimental muscle pain elicits divergent muscle sympathetic responses, with some individuals exhibiting a persistent increase in muscle sympathetic nerve activity (MSNA), and others a decrease. These divergent responses are thought to result from sustained functional changes in specific brain regions that modulate the cardiovascular responses to pain. Aim: The aim of this study was to investigate brain regions that are functionally coupled to the generation of an MSNA burst at rest and to determine their behavior during tonic muscle pain...
March 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29530514/functional-outcomes-following-ultrasound-guided-botulinum-toxin-type-a-injections-to-reduce-spastic-equinovarus-in-adult-post-stroke-patients
#8
Semra Aktürk, Raikan Büyükavcı, Yüksel Ersoy
OBJECTIVE: The aim of this study is to identify the effect on spasticity and walking of US-guided botulinum toxin type A (BoNT-A) injections administered to improve equinovarus walking pattern commonly observed in patients after stroke. MATERIAL AND METHOD: Twenty-three patients with post-stroke spastic equinovarus deformity were recruited. The US-guided BoNT-A injections were administered into the spastic muscles (including gastrocnemius; GK, soleus; S and tibialis posterior; TP) using a specific approach, and all of the patients were enrolled in rehabilitation programmes after the injections...
May 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29528722/biomechanical-evaluation-of-circumtibial-and-transmembranous-routes-for-posterior-tibial-tendon-transfer-for-dropfoot
#9
Emilio Wagner, Pablo Wagner, Diego Zanolli, Rubén Radkievich, Gunther Redenz, Rodrigo Guzman
BACKGROUND: Tibialis posterior tendon transfer is performed when loss of dorsiflexion has to be compensated. We evaluated the circumtibial (CT), above-retinaculum transmembranous (TMAR), and under-retinaculum transmembranous (TMUR) transfer gliding resistance and foot kinematics in a cadaveric foot model during ankle range of motion (ROM). METHODS: Eight cadaveric foot-ankle distal tibia specimens were dissected free of soft tissues on the proximal end, applying an equivalent force to 50% of the stance phase to every tendon, except for the Achilles tendon...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29517704/injury-of-leg-somatotopy-of-corticospinal-tract-at-corona-radiata-by-ventriculoperitoneal-shunt-a-case-report
#10
Sung Ho Jang, Younghyeon Kwon
RATIONALE: A 45-year-old right-handed female patient suffered head trauma after being hit by a truck that ran into a house. PATIENT CONCERNS: The patient lost consciousness for 1 hour and experienced posttraumatic amnesia for 1 month after the accident. DIAGNOSES: She underwent conservative management for a subdural hematoma in the left frontotemporal lobes and intracerebral hematoma in the left frontal lobe. INTERVENTIONS: The patient's Glasgow Coma Scale score was 11...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29509638/the-immediate-effect-of-foot-orthoses-on-subtalar-joint-mechanics-and-energetics
#11
Jayishni N Maharaj, Andrew G Cresswell, Glen A Lichtwark
PURPOSE: Foot orthoses maybe used in the management of musculoskeletal disorders related to abnormal subtalar joint (STJ) pronation. However, the precise mechanical benefits of foot orthoses for preventing injuries associated with the STJ are not well understood. The aim of this study was to investigate the immediate effect of foot orthoses on the energy absorption requirements of the STJ and subsequently tibialis posterior (TP) muscle function. METHODS: Eighteen asymptomatic subjects with a pes planus foot posture were prescribed custom-made foot orthoses made from a plaster cast impression...
March 5, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29497374/are-hypometric-anticipatory-postural-adjustments-contributing-to-freezing-of-gait-in-parkinson-s-disease
#12
Christian Schlenstedt, Martina Mancini, Jay Nutt, Amie P Hiller, Walter Maetzler, Günther Deuschl, Fay Horak
Introduction: This study aims at investigating whether impaired anticipatory postural adjustments (APA) during gait initiation contribute to the occurrence of freezing of gait (FOG) or whether altered APAs compensate for FOG in Parkinson's disease (PD). Methods: Gait initiation after 30 s quiet stance was analyzed without and with a cognitive dual task (DT) in 33 PD subjects with FOG (PD+FOG), 30 PD subjects without FOG (PD-FOG), and 32 healthy controls (HC). APAs were characterized with inertial sensors and muscle activity of the tensor fasciae latae (TFL), gastrocnemius, and tibialis anterior was captured with electromyography recordings...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29454275/long-term-follow-up-of-patients-undergoing-tibialis-posterior-transfer-is-acquired-pes-planus-a-complication
#13
Mira Pecheva, Adam Devany, Basil Nourallah, Steven Cutts, Chandra Pasapula
In this retrospective study, a series of 10 elective patients treated with transfer of the tibialis posterior (TP) tendon for pes cavus and drop foot are described. Since TP transfer completely subtracts the role of this tendon, this cohort of patients provides an opportunity to examine the consequences of tibialis posterior (TP) deficiency. After a mean follow up period of 44.7 months, only one patient showed evidence of strain in the spring ligament but none of the patients in this series developed clinical or radiological evidence of planovalgus deformity...
March 2018: Foot
https://www.readbyqxmd.com/read/29451811/role-of-tendoscopy-in-treating-stage-ii-posterior-tibial-tendon-dysfunction
#14
Alessio Bernasconi, Francesco Sadile, Matthew Welck, Nazim Mehdi, Julien Laborde, François Lintz
BACKGROUND: Stage II tibialis posterior tendon dysfunction (PTTD) resistant to conservative therapies is usually treated with invasive surgery. Posterior tibial tendoscopy is a novel technique being used in the assessment and treatment of posterior tibial pathology. The aims of this study were (1) to clarify the role of posterior tibial tendon tendoscopy in treating stage II PTTD, (2) to arthroscopically classify spring ligament lesions, and (3) to compare the arthroscopic assessment of spring ligament lesions with magnetic resonance imaging (MRI) and ultrasonographic (US) data...
April 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29448825/radiographic-prognostic-factors-for-selective-soft-tissue-release-after-ponseti-failure-in-young-pediatric-clubfoot-patients
#15
Michael Seungcheol Kang, Il-Yeong Hwang, Soo-Sung Park
BACKGROUND: Selective soft tissue release (SSTR), which includes a combination of abductor hallucis, tibialis posterior, and Achilles lengthening, has been used in patients with recurrent clubfoot deformity after Ponseti treatment. The aim of this study was to investigate the prognostic factors for recurrence of clubfoot deformity after SSTR. METHODS: Consecutive patients with idiopathic clubfoot and residual or recurrent deformity after Ponseti treatment underwent SSTR between 2005 and 2013...
February 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29417158/operative-treatment-algorithm-for-foot-deformities-in-charcot-marie-tooth-disease
#16
REVIEW
J W K Louwerens
The present article presents a short summary concerning the pathomechanisms and clinical presentation of foot deformities in Charcot-Marie-Tooth syndrome. Furthermore, a classification system is introduced and based on a recently performed review of the literature an operative treatment algorithm is provided. The operative technique of the following surgical procedures is described in more detail: 1. dorsiflexion osteotomy at the base of the 1st metatarsus, 2. dorsiflexion osteotomy at the base of a lesser metatarsal bone, 3...
April 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29409273/tendoscopy-of-achilles-peroneal-and-tibialis-posterior-tendons-an-evidence-based-update
#17
REVIEW
Alessio Bernasconi, Francesco Sadile, Francesco Smeraglia, Nazim Mehdi, Julien Laborde, François Lintz
BACKGROUND: Tendoscopy has been proposed in treating several conditions affecting tendons around the ankle. We reviewed literature to investigate the efficacy of Achilles, peroneal and tibialis posterior tendoscopy. METHODS: Following the PRISMA checklist, the Medline, Scopus and EMBASE databases were searched, including studies reporting patients affected by disorders of Achilles, peroneal and tibialis posterior tendons and treated by tendoscopy (or tendoscopic-assisted procedures)...
June 21, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29393761/distal-peroneal-nerve-decompression-after-sciatic-nerve-injury-secondary-to-total-hip-arthroplasty
#18
Thomas J Wilson, Grant M Kleiber, Ryan M Nunley, Susan E Mackinnon, Robert J Spinner
OBJECTIVE The sciatic nerve, particularly its peroneal division, is at risk for injury during total hip arthroplasty (THA), especially when a posterior approach is used. The majority of the morbidity results from the loss of peroneal nerve-innervated muscle function. Approximately one-third of patients recover spontaneously. The objectives of this study were to report the outcomes of distal decompression of the peroneal nerve at the fibular tunnel following sciatic nerve injury secondary to THA and to attempt to identify predictors of a positive surgical outcome...
February 2, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29371711/achilles-tendon-elasticity-decreases-with-intermittent-claudication-in-patients-by-acoustic-radiation-force-impulse-imaging-arfi
#19
Birnur Yilmaz
OBJECTIVE: To investigate the value of Acoustic Radiation Force Impulse elastography and its application in Achilles tendon elasticity of intermittent claudication due to lower extremity arterial ischaemia. METHODS: This prospective case-control study was conducted at the Department of Radiology, Faculty of Medicine, Baskent University, Istanbul, Turkey, from October 2015 to January 2016, and comprised bilateral Achilles tendons of patients with intermittent claudication and healthy individuals...
January 2018: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/29287785/evaluation-of-muscle-activity-just-after-straight-leg-raising-exercise-by-using-18-fdg-pet
#20
Hiroyuki Shiozawa, Takashi Ohsawa, Yoshito Tsushima, Tetsuya Higuchi, Kenji Takagishi, Hirotaka Chikuda
BACKGROUND: Exercise therapy is one of the recognized treatment methods for knee osteoarthritis (KOA). One such exercise technique, straight leg raising (SLR), is widely known as a home exercise method for strengthening the quadriceps femoris muscle. However, whether this exercise truly strengthens the quadriceps is not known. The objective of the present study was to investigate which lower limb muscle is stimulated and shows increased activity with SLR. METHODS: A total of 14 lower limbs in seven healthy adult male volunteers (mean age: 31...
March 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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