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extensor hallucis longus

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https://www.readbyqxmd.com/read/29696322/-minimally-invasive-cheilectomy
#1
REVIEW
M Walther, P Chomej, S Kriegelstein, S Altenberger, A Röser
OBJECTIVES: Treatment of hallux rigidus by minimally invasive resection of the dorsal osteophytes, synovectomy and resection of the dorsal part of the metatarsal head. INDICATIONS: Hallux rigidus grades II and III CONTRAINDICATIONS: End-stage osteoarthritis of the first metatarsophalangeal joint with beginning ankylosis. SURGICAL TECHNIQUE: Osteophytes around the metatarsophalangeal joint are removed using a 1 cm incision dorsomedial, approximately 3 cm proximal of the joint space...
April 25, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29679375/muscle-ultrasound-evaluation-in-healthy-paediatric-subjects-age-related-normative-data
#2
Silvia Lori, Francesco Lolli, Elisabetta Molesti, Maria Bastianelli, Simonetta Gabbanini, Valentina Saia, Sara Trapani, Marinella Marinoni
INTRODUCTION: The Muscle Ultrasound examination (MUS) is a non-invasive and inexpensive technique for evaluating neuromyopathies. Standardized MUS normative data are incomplete in paediatric subjects. METHODS: We performed a MUS study with 120 healthy children (59 males; mean age 10.44; age range 2-16 years). We measured the width and the echogenicity bilaterally in the following muscles: biceps brachii and brachialis, brachioradialis, forearm-flexors, rectus femori sand vastus intermedius, tibialis anterior, extensor hallucis longus, lateral and medial gastrocnemius ...
April 20, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29526839/metatarsophalangeal-joint-flexion-affects-dorsiflexor-activity-in-subjects-with-a-dominant-extensor-hallucis-longus
#3
Ji-Hyun Lee, Hyo-Jung Jeong, Heon-Seock Cynn, Tae-Woo Kang
BACKGROUND AND OBJECTIVES: Normal dorsiflexion (DF) required for normal gait is achieved through balance of the tibialis anterior (TA) and extensor hallucis longus (EHL). Imbalance may induce ankle and foot deformities and exacerbate pathology. EHL dominance is associated with progressive TA weakness, attributable to muscle non-use. When the EHL dominantly dorsiflexes the ankle, the big toe extends at the metatarsophalangeal joint (MTPJ) and pure ankle DF is absent. The effects of active MTPJ flexion on TA and EHL muscles, TA/EHL ratio, and the force applied during active DF in EHL-dominant (EHL-D) and EHL-non-dominant (EHL-ND) subjects were compared...
March 2, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29413772/increasing-the-safety-of-minimally-invasive-hallux-surgery-an-anatomical-study-introducing-the-clock-method
#4
Francesc Malagelada, Miki Dalmau-Pastor, Betlem Fargues, Maria Cristina Manzanares-Céspedes, Fernando Peña, Jordi Vega
BACKGROUND: The purpose of this study is to describe a simple and reproducible method to localize the neurological structures at risk and to describe a safe zone for hallux minimally invasive surgery (MIS) procedures. METHODS: Ten fresh-frozen cadaveric feet were dissected to identify the dorsomedial digital nerve (DMDN) and the dorsolateral digital nerve (DLDN) of the first toe. Axial sections were performed at the sites of metatarsal osteotomies. We documented the position of the nerves with respect to the extensor hallucis longus (EHL) tendon using a clock method superimposed on the axial section RESULTS: The DMDN was found at an average of 26...
February 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29409181/technique-tip-edl-to-ehl-double-loop-transfer-for-extensor-hallucis-longus-reconstruction
#5
Gonzalo F Bastías, Natalio Cuchacovich, Adam Schiff, Giovanni Carcuro, Manuel J Pellegrini
BACKGROUND: Extensor hallucis longus (EHL) tendon injuries often occur in the setting of lacerations to the dorsum of the foot. End-to-end repair is advocated in acute lacerations, or in chronic cases when the tendon edges are suitable for tension free repair. Reconstruction with allograft or autograft is advocated for cases not amenable to a primary direct repair. This is often seen in cases with tendon retraction and more commonly in the chronic setting. In many countries the use of allograft is very limited or unavailable making reconstruction with autograft and tendon transfers the primary choice of treatment...
December 6, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29355794/surgical-results-of-common-peroneal-nerve-neuroplasty-at-lateral-fibular-neck
#6
John Souter, Kevin Swong, Matthew McCoyd, Neelam Balasubramanian, Magan Nielsen, Vikram C Prabhu
BACKGROUND: Common peroneal nerve (CPN) compressive neuropathy is the most common lower-extremity entrapment neuropathy. MATERIALS AND METHODS: A retrospective review of a prospectively maintained single-institution database of all patients with CPN palsy who underwent decompression and neuroplasty over a 5-year period was performed. RESULTS: Thirty patients underwent a neuroplasty of the CPN over a 5-year period (2010-2015) at our institution...
April 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29331290/the-use-of-ultrasonography-to-identify-the-intersection-of-the-dorsomedial-cutaneous-nerve-of-the-hallux-and-the-extensor-hallucis-longus-tendon-a-cadaveric-study
#7
Matthew J Zdilla, Kyle D Miller, Jordan V Swearingen, H Wayne Lambert
Terminal branches of the superficial fibular nerve are at risk of iatrogenic damage during foot surgery, including hallux valgus rigidus correction, bunionectomy, cheilectomy, and extensor hallucis longus tendon transfer. One terminal branch, the dorsomedial cutaneous nerve of the hallux, is particularly at risk of injury at its intersection with the extensor hallucis longus tendon. Iatrogenic injuries of the dorsomedial cutaneous nerve of the hallux can result in sensory loss, neuroma formation, and/or debilitating causalgia...
March 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29223409/obtaining-adequate-tension-for-extensor-hallucis-longus-tendon-rupture-repair-using-wide-awake-surgery-a-case-report
#8
Takenori Matsuda, Akira Taniguchi, Koji Hayashi, Yasuaki Nakanishi, Yasuhito Tanaka
Wide-awake surgery has potential advantages for treating extensor or flexor tendon injury. We present a case of chronic extensor hallucis longus injury treated with turn-down reconstruction using wide-awake surgery with a selective nerve block. To the best of our knowledge, this is the first such case reported. The patient had dropped a knife proximal to the right hallux metatarsophalangeal joint. Because direct suturing was thought to be difficult, turn-down reconstruction was performed under a selective nerve block...
March 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29077497/rupture-of-the-extensor-hallucis-longus-muscle-secondary-to-repetitive-overuse-in-a-taekwondo-athletea-case-report
#9
Dong-Il Chun, Jun-Hyuck Lee, Jaeho Cho
Closed rupture of the extensor hallucis longus (EHL) tendon is rare, with most cases caused by either direct penetrating trauma or predisposing factors such as corticosteroid injection and iatrogenic trauma incidences. Almost all of the previous case reports have reported on rupture of the EHL tendon rather than the EHL muscle. In this report, we highlight an unusual clinical presentation of a rupture of the EHL muscle and discuss its predisposing factors. This patient was a taekwondo athlete with EHL muscle rupture secondary to repetitive overuse without any underlying systemic or local predisposing factors or direct trauma...
September 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29076759/internal-fixation-of-displaced-intra-articular-fractures-of-the-hallux-through-a-dorsomedial-approach-a-technical-tip
#10
Danilo Ryuko Cândido Nishikawa, Fernando Aires Duarte, Cesar de Cesar Netto, Augusto César Monteiro, Rômulo Ballarin Albino, Fabio Corrêa Paiva Fonseca
Phalangeal fractures of the toes represent common injuries of the forefoot. In the hallux, most fractures occur at the distal phalanx and frequently result from a direct crushing type of injury. Intra-articular fractures of the hallux are usually treated nonoperatively, except when the fragments are displaced and the joint is incongruent. Displaced fractures treated nonoperatively can result in degenerative arthritis of the interphalangeal joint, causing pain and range of motion limitation, hindering gait and weightbearing...
February 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29043455/correction-to-the-innervation-of-extensor-hallucis-longus-muscle-an-anatomical-study-for-selective-neurotomy
#11
Vittoria Nazzi, Giuseppe Messina, Ivano Dones, Giovanni Broggi
The original version of this article unfortunately contained mistakes. The names of all authors are inadvertently inverted and are now corrected in the authorgroup of this article.
December 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29034798/intramuscular-electrical-stimulation-for-muscle-activation-of-the-tibialis-anterior-after-surgical-repair-a-case-report
#12
Sharon Hollis, Philip McClure
Background Loss of voluntary activation of musculature can result in muscle weakness. External neuromuscular stimulation can be utilized to improve voluntary activation but is often poorly tolerated because of pain associated with required stimulus level. Intramuscular electrical stimulation requires much lower voltage and may be better tolerated, and therefore more effective at restoring voluntary muscle activation. Case Description A 71-year-old man sustained a rupture of the distal attachment of the tibialis anterior tendon...
December 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28980032/-rupture-of-the-tendon-of-the-tibialis-anterior-muscle-etiology-clinical-symptoms-and-treatment
#13
REVIEW
H Waizy, B Bouillon, C Stukenborg-Colsman, D Yao, S Ettinger, L Claassen, C Plaass, K Danniilidis, D Arbab
Ruptures of the tendon of the tibialis anterior muscle tend to occur in the context of degenerative impairments. This mainly affects the distal avascular portion of the tendon. Owing to the good compensation through the extensor hallucis longus and extensor digitorum muscles, diagnosis is often delayed. In addition to the clinical examination, magnetic resonance inaging (MRI) diagnostics are of particular importance, although damage or rupture of the tendon can also be demonstrated sonographically. Therapeutic measures include conservative or operative measures, depending on the clinical symptoms...
December 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28601923/the-accessory-tendon-of-extensor-hallucis-longus-muscle-and-its-correlation-to-hallux-valgus-deformity-a-cadaveric-study
#14
K Natsis, G A Konstantinidis, P D Symeonidis, T Totlis, N Anastasopoulos, P Stavrou
PURPOSE: The accessory tendon (AT) of the extensor hallucis longus (EHL) is a common anatomic variation, whose clinical significance remains debatable. The purpose of this study was to investigate the incidence and morphology of accessory EHL tendons in cadavers and to examine any possible correlation to the occurrence and severity of hallux valgus (HV) deformity. METHODS: We examined any possible correlation between the AT presence and the cadavers' age and the HV deformity in 98 female adult cadaveric feet...
December 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28560138/arthroscopically-assisted-modified-jones-procedure
#15
Tun Hing Lui
The modified Jones procedure is the classic operative treatment of symptomatic clawed hallux. It is composed of transfer of the extensor hallucis longus tendon to the first metatarsal neck and fusion of the hallux interphalangeal joint. The purpose of this technical note is to report the technique of an arthroscopically assisted modified Jones procedure. This can be combined with other minimally invasive bone and soft-tissue procedures to correct all aspects of the complex cavus foot deformity.
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28436371/pigmented-villonodular-synovitis-various-manifestations-inconsistent-terminology-and-treatment-cases-study
#16
Paweł Kokoszka, Waldemar Woźniak, Łukasz Łapaj, Jacek Kruczyński
Pigmented villonodular synovitis (PVNS) as well as tenosynovial giant cell tumor (TGCT) are both diagnosed and described in two forms, namely a localized and diffuse type. They form a diverse group of proliferative lesions in articular synovium and tendon sheaths. The inconsistent terminology impedes communication between patients, orthopedic surgeons, radiologists and pathologists, leading to misunderstandings and delaying treatment. In this paper, we present three cases of PVNS/TGCT (involving the fourth toe extensor tendon sheath, hip joint after resurfacing and flexor hallucis longus tendon sheath) together with suggestions regarding the unification of the terminology as well as diagnosis and treatment...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28324821/muscular-activity-and-torque-of-the-foot-dorsiflexor-muscles-during-decremental-isometric-test-a-cross-sectional-study
#17
Maria Ruiz-Muñoz, Manuel González-Sánchez, Jaime Martín-Martín, Antonio I Cuesta-Vargas
PURPOSE: To analyse the torque variation level that could be explained by the muscle activation (EMG) amplitude of the three major foot dorsiflexor muscles (tibialis anterior (TA), extensor digitorum longus (EDL), extensor hallucis longus (EHL)) during isometric foot dorsiflexion at different intensities. METHODS: In a cross-sectional study, forty-one subjects performed foot dorsiflexion at 100%, 75%, 50% and 25% of maximal voluntary contractions (MVC) with the hip and knee flexed 90° and the ankle in neutral position (90° between leg and foot)...
November 30, 2016: Foot
https://www.readbyqxmd.com/read/28259751/cadaver-study-of-anatomic-landmark-identification-for-placing-ankle-arthroscopy-portals
#18
B Scheibling, G Koch, P Clavert
BACKGROUND: Arthroscopy-assisted surgery is now widely used at the ankle for osteochondral lesions of the talus, anterior and posterior impingement syndromes, talocrural or subtalar fusion, foreign body removal, and ankle instability. Injuries to the vessels and nerves may occur during these procedures. OBJECTIVE: To determine whether ultrasound topographic identification of vulnerable structures decreased the risk of iatrogenic injuries to vessels, nerves, and tendons and influenced the distance separating vulnerable structures from the arthroscope introduced through four different portals...
May 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28251615/stiffness-mapping-of-lower-leg-muscles-during-passive-dorsiflexion
#19
Guillaume Le Sant, Antoine Nordez, Ricardo Andrade, François Hug, Sandro Freitas, Raphaël Gross
It is challenging to differentiate the mechanical properties of synergist muscles in vivo. Shear wave elastography can be used to quantify the shear modulus (i.e. an index of stiffness) of a specific muscle. This study assessed the passive behavior of lower leg muscles during passive dorsiflexion performed with the knee fully extended (experiment 1, n = 22) or with the knee flexed at 90° (experiment 2, n = 20). The shear modulus measurements were repeated twice during experiment 1 to assess the inter-day reliability...
May 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28198793/proximity-and-risks-of-the-anterior-neurovascular-and-tendinous-anatomy-of-the-distal-leg-relative-to-anteriorly-applied-distal-locking-screws-for-tibia-nailing-a-plea-for-open-insertion
#20
Phillip M Mitchell, Cory A Collinge, Eric Barcak, Edward Perez, Kostas Triantafillou
PURPOSE: To determine the proximity and potential risks to distal leg anatomy from anterior to posterior (A-P) applied distal tibia locking screws for tibial nailing. DESIGN: Retrospective. SETTING: ACS level I trauma center. PATIENTS/PARTICIPANTS: Twenty consecutive adult patients undergoing computed tomograms with intravenous contrast (computed tomography angiograms) on uninjured legs. MAIN OUTCOME MEASUREMENTS: Simulated 5-mm distal interlocking screws placed in the A-P axis of an ideally placed tibial nail at 10-mm increments from the tibial plafond (10-40 mm) were studied in relation to the distal leg's anterior anatomy...
July 2017: Journal of Orthopaedic Trauma
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