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Tibialis posterior

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https://www.readbyqxmd.com/read/29287785/evaluation-of-muscle-activity-just-after-straight-leg-raising-exercise-by-using-18fdg-pet
#1
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...
December 26, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29282106/ankle-ligament-reconstruction-after-wide-resection-of-the-osteosarcoma-of-the-distal-fibula-a-case-report
#2
Tanawat Vaseenon, Jirawat Saengsin, Amornrat Kaminta, Nuttaya Pattamapaspong, Jongkolnee Settakorn, Dumnoensun Pruksakorn
BACKGROUND: Restoration of the lateral ankle after distal fibulectomy is a difficult reconstructive procedure. Many surgical techniques have been proposed. This report shows another fibular reconstructive option with promising outcome. CASE PRESENTATION: We report the case of a 30-year-old woman who presented with a solitary mass located in the lateral aspect of the ankle. The mass had grown rapidly for 2 months and caused increasing pain. Physical examination showed a 3...
December 28, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29280168/resident-accuracy-of-musculoskeletal-palpation-with-ultrasound-verification
#3
Priyesh Mehta, Ethan B Rand, Christopher J Visco, James Wyss
OBJECTIVES: The purpose of this observational study was to determine the accuracy of musculoskeletal palpation of the medial joint line of the knee, medial patellar tendon, and posterior tibialis tendon verified by ultrasound imaging among physical medicine and rehabilitation residents. METHODS: Eighteen physical medicine and rehabilitation resident physicians at a single specialized institution were asked to identify the medial joint line of the knee, medial patellar tendon, and posterior tibialis tendon on 2 separate standardized patient models during a single data collection...
December 27, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29238405/the-effect-of-a-running-task-on-muscle-shear-elastic-modulus-of-posterior-lower-leg
#4
Shuhei Ohya, Masatoshi Nakamura, Takafumi Aoki, Daichi Suzuki, Takanori Kikumoto, Emi Nakamura, Wataru Ito, Ryo Hirabayashi, Tomoya Takabayashi, Mutsuaki Edama
Background: Medial tibial stress syndrome (MTSS) is one of the most common causes of exercise-related leg pain in runners. Because stopping training due to pain from MTSS could decrease the athlete's competitiveness, it is necessary to construct MTSS prevention and treatment programs. However, the effect of running, which is believed to cause MTSS, on shear elastic modulus of the posterior lower leg is unclear. Therefore, the purpose of this study was to investigate the effect of 30 min of running on shear elastic modulus of the posterior lower leg in healthy subjects...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29218229/the-role-of-arthroereisis-of-the-subtalar-joint-for-flatfoot-in-children-and-adults
#5
REVIEW
Alessio Bernasconi, François Lintz, Francesco Sadile
Subtalar arthroereisis has been reported as a minimally-invasive, effective and low-risk procedure in the treatment of flatfoot mainly in children but also in adults.It has been described as a standalone or adjunctive procedure, and is indicated in the treatment of flexible flatfoot, tibialis posterior tendon dysfunction, tarsal coalition and accessory navicular syndrome.Different devices for subtalar arthroereisis are currently used throughout the world associated with soft-tissue and bone procedures, depending on the surgeon rather than on standardised or validated protocols...
November 2017: EFORT open reviews
https://www.readbyqxmd.com/read/29202983/influence-of-tibialis-posterior-muscle-activation-on-foot-anatomy-under-axial-loading-a-biomechanical-ct-human-cadaveric-study
#6
Koen Dullaert, Jennifer E Hagen, Paul Simons, Florian Gras, Boyko Gueorguiev, R Geoff Richards, Kajetan Klos
BACKGROUND: Collapse of the medial longitudinal arch and subluxation of the subtalar joint are common occurrences in adult flatfoot deformity. Controversy exists about the role of the tibialis posterior (TP) tendon as first and/or essential lesion. Subtle changes in the foot configuration can occur under weight bearing. PURPOSE: This human cadaveric study is designed to investigate the effect that isolated actuation of the TP tendon has on the medial longitudinal arch and the hindfoot configuration under simulated weight bearing...
December 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29202358/increasing-mediolateral-standing-sway-is-associated-with-increasing-corticospinal-excitability-and-decreasing-m1-inhibition-and-facilitation
#7
Tulika Nandi, Beth E Fisher, Tibor Hortobágyi, George J Salem
In standing, corticospinal excitability increases and primary motor cortex (M1) inhibition decreases in response to anterior posterior or direction unspecific manipulations that increase task difficulty. However, mediolateral (ML) sway control requires greater active neural involvement. Therefore, the primary purpose of this study was to determine the pattern of change in neural excitability when ML postural task difficulty is manipulated and to test whether the neural excitability is proportional to ML sway magnitude across conditions...
November 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29200620/effects-of-open-and-closed-kinetic-chain-exercises-on-the-muscle-strength-and-muscle-activity-of-the-ankle-joint-in-young-healthy-women
#8
Mi-Kyoung Kim, Byung-Su Kong, Kyung-Tae Yoo
[Purpose] The purpose of this study was to analyze the effects of open and closed chain exercise on the muscle strength and muscle activity of the ankle joint. [Subjects and Methods] Twenty women in their 20s were randomly assigned to two groups: the open kinetic-chain group and the closed kinetic-chain group. Each group performed 5 sets 3 times per week for 4 weeks. Exercise intensity was increased once after two weeks. The muscle activity of the tibialis anterior, gastrocnemius, tibialis posterior, and peroneus longus muscles were measured...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29188450/ankle-muscle-activity-modulation-during-single-leg-stance-differs-between-children-young-adults-and-seniors
#9
Eduard Kurz, Oliver Faude, Ralf Roth, Lukas Zahner, Lars Donath
PURPOSE: Incomplete maturation and aging-induced declines of the neuromuscular system affect postural control both in children and older adults and lead to high fall rates. Age-specific comparisons of the modulation of ankle muscle activation and behavioral center of pressure (COP) indices during upright stance have been rarely conducted. The objective of the present study was to quantify aging effects on a neuromuscular level. Thus, surface electromyography (SEMG) modulation and co-activity of ankle muscles during single-leg standing was compared in healthy children, young adults and seniors...
November 29, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29156545/ultrasonographic-evaluation-of-botulinum-toxin-injection-site-for-the-medial-approach-to-tibialis-posterior-muscle-in-chronic-stroke-patients-with-spastic-equinovarus-foot-an-observational-study
#10
Alessandro Picelli, Alessio Baricich, Elena Chemello, Nicola Smania, Carlo Cisari, Marialuisa Gandolfi, Nicoletta Cinone, Maurizio Ranieri, Andrea Santamato
The tibialis posterior muscle is a frequent target for injection of botulinum toxin during the management of spastic equinovarus foot in adults with post-stroke spasticity. Although it is deep-seated, the needle insertion into the tibialis posterior muscle is usually performed using anatomical landmarks and safety information obtained from healthy subjects and cadavers. Our aim was to evaluate the botulinum toxin injection site for the medial approach to the tibialis posterior muscle in chronic stroke patients with spastic equinovarus foot...
November 18, 2017: Toxins
https://www.readbyqxmd.com/read/29144991/finite-element-simulation-on-posterior-tibial-tendinopathy-load-transfer-alteration-and-implications-to-the-onset-of-pes-planus
#11
Duo Wai-Chi Wong, Yan Wang, Aaron Kam-Lun Leung, Ming Yang, Ming Zhang
BACKGROUND: Posterior tibial tendinopathy is a challenging foot condition resulting in pes planus, which is difficult to diagnose in the early stage. Prior to the deformity, abnormal internal load transfer and soft tissue attenuation are anticipated. The objective of this study was to investigate the internal load transfer and strain of the ligaments with posterior tibial tendinopathy, and the implications to pes planus and other deformities. METHODS: A three-dimensional finite element model of the foot and ankle was reconstructed from magnetic resonance images of a 28-year-old normal female...
November 3, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29099891/paraskiing-crash-and-knee-dislocation-with-multiligament-reconstruction-and-iliotibial-band-repair
#12
Chase S Dean, Olivia Fernandes, Mark E Cinque, Jorge Chahla, Robert F LaPrade
We describe the diagnosis, treatment, rehabilitation, and complications of a 27-year-old male paraskiier who sustained a closed high-velocity knee dislocation after colliding with a tree at a speed of 45 mph and falling 40 feet to the ground. Extensive surgery to repair and reconstruct the knee included open lateral capsular repair, open anatomical posterolateral corner reconstruction with split Achilles tendon allograft, open iliotibial band reconstruction with Achilles tendon allograft, arthroscopic anterior cruciate ligament reconstruction with bone-patellar tendon-bone autograft, and double-bundle posterior cruciate ligament reconstruction with Achilles tendon allograft for the anterolateral bundle and tibialis anterior tendon allograft for the posteromedial bundle...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29089990/therapeutic-efficacy-and-safety-of-various-botulinum-toxin-a-doses-and-concentrations-in-spastic-foot-after-stroke-a-randomized-controlled-trial
#13
Jiang Li, Ru Zhang, Bo-Li Cui, Yong-Xiang Zhang, Guang-Tao Bai, Si-Shan Gao, Wen-Jian Li
No recommended guidelines currently exist for the therapeutic concentration or dose of botulinum toxin type A (BTXA) injected into the muscle to treat limb spasticity. Therefore, in this randomized controlled trial, we explored the safety and efficacy of two concentrations and two doses of BTXA in the treatment of spastic foot after stroke to optimize this treatment in these patients. Eligible patients (n = 104) were randomized into four groups. The triceps surae and tibialis posterior on the affected side were injected with BTXA at one of two doses (200 U or 400 U) and two concentrations (50 U/mL or 100 U/mL)...
September 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29078821/tendonitis-and-tendinopathy-what-are-they-and-how-do-they-evolve
#14
REVIEW
Andrew E Federer, John R Steele, Travis J Dekker, Jordan L Liles, Samuel B Adams
The development of tendinitis and tendinopathy is often multifactorial and the result of both intrinsic and extrinsic factors. Intrinsic factors include anatomic factors, age-related factors, and systemic factors, whereas extrinsic factors include mechanical overload and improper form and equipment. Although tendinitis and tendinopathy are often incorrectly used interchangeably, they are in 2 distinct pathologies. Due to their chronicity and high prevalence in tendons about the ankle, including the Achilles tendon, the posterior tibialis tendon, and the peroneal tendons, tendinitis and tendinopathies cause significant morbidity and are important pathologies for physicians to recognize...
December 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29062385/central-nervous-system-and-limb-embolism-concurrence-due-to-atrial-myxoma-a-case-report%C3%A2
#15
Javad Salimi, Khosro Najari, Pezhman Farshidmehr, Roja Toosi, Batool Naghavi, Tayeb Ramim
Cardiac myxomas are the most common cardiac tumors with diverse nonspecific clinical manifestations. A 78-year-old man presented to the emergency department with complaints of pain and coldness of the left lower extremity. The left femoral artery pulse was detected, while the pulses of the left popliteal, dorsalis pedis, and posterior tibialis arteries were absent. No blood inflow was detected in the superficial and deep femoral, popliteal, and anterior and posterior tibialis arteries. Thrombectomy was performed, and a fatty-like mass from the bifurcation of the common femoral artery and a thrombotic mass from the proximal portion of the superficial and deep femoral arteries were removed...
July 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/28987543/ankle-evaluation-in-active-rheumatoid-arthritis-by-ultrasound-a-cross-sectional-study
#16
Ahmed M Elsaman, Ehab Saad Mostafa, Ahmed R Radwan
Ankle joint evaluation is underestimated in many clinical and sonographic scores used for evaluation and follow-up of rheumatoid arthritis (RA) patients. Agreement on examination parameters is poor among sonographic scores that include the ankle joint. More effort is needed to detect the value of ankle joint examination in RA and assessment of ultrasonographic signs according to frequency, disease duration and activity. The objective of this study was to use ultrasound (US) to detect ankle involvement in active RA and to compare findings with disease duration, disease activity and assessment of ankle bone erosion...
December 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28979585/posterior-tibial-tendon-dysfunction-an-overview
#17
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/28950148/the-influence-of-foot-position-on-lower-leg-muscle-activity-during-a-heel-raise-exercise-measured-with-fine-wire-and-surface-emg
#18
Hiroshi Akuzawa, Atsushi Imai, Satoshi Iizuka, Naoto Matsunaga, Koji Kaneoka
OBJECTIVE: Exercises for lower leg muscles are important to improve function. To examine the influence of foot position on lower leg muscle activity during heel raises. DESIGN: Cross-sectional laboratory study. SETTING: Laboratory. PARTICIPANTS: Fourteen healthy men participated in this study. MAIN OUTCOME MEASURES: The muscle activity levels of the tibialis posterior (TP), peroneus longus (PL), flexor digitorum longus (FDL) and medial gastrocnemius (MG) were measured...
November 2017: Physical Therapy in Sport
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
#19
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
#20
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...
October 2017: Gait & Posture
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