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https://www.readbyqxmd.com/read/27909468/zone-i-flexor-tendon-injuries
#1
Evgenios Evgeniou, Harriet Walker
No abstract text is available yet for this article.
2016: Eplasty
https://www.readbyqxmd.com/read/27904023/early-embryonic-development-of-long-tendons-in-the-human-foot
#2
Masahito Yamamoto, Yasuhiro Shiraishi, Kei Kitamura, Zhe Wu Jin, Gen Murakami, Jose Francisco Rodríguez-Vázquez, Shin-Ichi Abe
To examine a common plantar tendinous plate for long flexors of the toe and fingers in human embryos, we observed sections of 10 embryos at 5-6 weeks (crown-rump length or CRL 15-21 mm). The heel or tuber of the calcaneus was underdeveloped in 3 embryos with CRL 15 mm and the talus appeared not to be piled up on the calcaneus but these two bones were arranged along the lateromedial axis. As reported in the hand, we demonstrated, in the deep side of tarsal bones, a common tendinous plate formed by a joining of the flexor halluces longus and flexor digitorum longus tendons...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27900541/tendon-transfer-to-unossified-bone-in-a-porcine-model-potential-implications-for-early-tibialis-anterior-tendon-transfers-in-children-with-clubfeet
#3
Matthew A Halanski, Sam Abrams, Rachel Lenhart, Ellen Leiferman, Teresa Kaiser, Emily Pierce, Rachel Rebekah Franklin, Dayton Opel, Kenneth J Noonan, Thomas D Crenshaw
PURPOSE: Tibialis anterior tendon transfers (TATT) are commonly performed in young children following Ponseti casting for clubfeet. The classic TATT involves advancing the tendon through a hole drilled in the ossified cuneiform. The aim of this study was to determine if tendons transferred through unossified bones have untoward effects on subsequent bone development. METHOD: Twenty-five piglets underwent one of five surgical procedures. An 18-gauge needle was then used to place a tunnel through the bony or cartilaginous portion of the calcaneus (through direct visualization) and isolated slips of the flexor digitorum superficialis (FDS) were placed through the tunnels, as determined by surgical procedure...
November 30, 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27900298/surgical-time-for-graft-preparation-using-different-suture-techniques
#4
Lawrence Camarda, Sebastian Giambartino, Michele Lauria, Michele Saporito, Vito Triolo, Michele D'Arienzo
BACKGROUND: The purpose of the present study was to compare the operative time for graft preparation using different techniques for graft suturing. MATERIAL AND METHODS: Flexor profundus tendons were harvested from fresh pig hind-leg trotters. Three different suture techniques were investigated: the Krackow stitch (K), the Whipstitch (W), and the Modified Finger-Trap suture (MFT). Tendons were sutured starting at 10 mm from the distal free end of the tendon. The suture configurations of the Krackow stitch and Whipstitch were completed with five suture throws...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27895574/robot-assisted-rehabilitation-of-ankle-plantar-flexors-spasticity-a-3-month-study-with-proprioceptive-neuromuscular-facilitation
#5
Zhihao Zhou, Yao Sun, Ninghua Wang, Fan Gao, Kunlin Wei, Qining Wang
In this paper, we aim to investigate the effect of proprioceptive neuromuscular facilitation (PNF)-based rehabilitation for ankle plantar flexors spasticity by using a Robotic Ankle-foot Rehabilitation System (RARS). A modified robot-assisted system was proposed, and seven poststroke patients with hemiplegic spastic ankles participated in a 3-month robotic PNF training. Their impaired sides were used as the experimental group, while their unimpaired sides as the control group. A robotic intervention for the experimental group started from a 2-min passive stretching to warming-up or relaxing the soleus and gastrocnemius muscles and also ended with the same one...
2016: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/27888852/medial-sided-ankle-pain-deltoid-ligament-and-beyond
#6
REVIEW
Julia Crim
Abnormalities of the medial ligaments and posterior tibial tendon can occur because of acute injury or chronic instability or malalignment. Medial ankle injuries may occur because of pronation or supination-external rotation injuries. Deltoid ligament injuries have a significant impact on lateral ankle instability but can be overlooked in patients with lateral ligament injuries. Posterior tibial tendon dysfunction is usually associated with spring ligament or flexor retinaculum injury. Tarsal tunnel syndrome, accessory flexor muscles, and subtalar coalition should be considered as well as ligament and tendon tears in differential diagnosis of chronic medial ankle pain...
February 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27886842/hand-and-wrist-injuries-in-golfers-and-their-treatment
#7
REVIEW
Sang-Hyun Woo, Young-Keun Lee, Jong-Min Kim, Ho-Jun Cheon, William H J Chung
A thorough understanding of the swing phases and mechanisms of injury in golf allows accurate diagnosis, treatment, and future prevention of injuries. Recommended initial treatment starts with cessation of practice to rest the wrist, a splint or orthotic brace, and nonsteroidal antiinflammatory drug medication with corticosteroid injection and swing modification. Pisiform excision is the best treatment of the most severe chronic cases of pisiform ligament complex syndrome. Delayed diagnosis of hook of hamate fracture may lead to complications, including flexor tendon rupture...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27886830/flexor-tendon-pulley-injuries-in-rock-climbers
#8
REVIEW
Elizabeth A King, John R Lien
Closed pulley ruptures are rare in the general population but occur more frequently in rock climbers due to biomechanical demands on the hand. Injuries present with pain and swelling over the affected pulley, and patients may feel or hear a pop at the time of injury. Sequential pulley ruptures are required for clinical bowstringing of the flexor tendons. Ultrasound confirms diagnosis of pulley rupture and evaluates degree of displacement of the flexor tendons. Isolated pulley ruptures frequently are treated conservatively with early functional rehabilitation...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27885382/mri-in-flexor-tendon-rupture-after-collagenase-injection
#9
Shruti Khurana, Vibhor Wadhwa, Avneesh Chhabra, Bardia Amirlak
Flexor tendon rupture is an unusual complication following collagenase injection to relieve contractures. These patients require a close follow-up and in the event of tendon rupture, a decision has to be made whether to repair the tendon or manage the complication conservatively. The authors report the utility of MRI in the prognostication and management of a patient with Dupuytren's contracture, who underwent collagenase injection and subsequently developed flexor digitorum profundus tendon rupture.
November 25, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27881830/repair-of-chronic-achilles-ruptures-has-a-high-incidence-of-venous-thromboembolism
#10
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/27881695/application-of-sonoelastography-for-evaluating-the-stiffness-of-equine-superficial-digital-flexor-tendon-during-healing
#11
N Tamura, T Kuroda, Y Kotoyori, K Fukuda, T Nukada, T Kato, A Kuwano, Y Kasashima
Sonoelastography can assess the inner stiffness of tissues. Sonoelastographic evaluation of injured equine superficial digital flexor tendons (SDFTs) is considered to be useful for assessing the stiffness of a lesion even during late-stage rehabilitation. The purpose of this study was to investigate and compare the sonoelastographic appearance of injured SDFTs over time from the onset of the injury. Eighteen horses were classified into three groups according to the length of time from injury onset: group A, within two weeks after injury; group B, approximately five months after injury; and group C, approximately nine months after injury...
November 23, 2016: Veterinary Record
https://www.readbyqxmd.com/read/27881441/evaluation-of-the-histological-and-mechanical-features-of-tendon-healing-in-a-rabbit-model-with-the-use-of-second-harmonic-generation-imaging-and-tensile-testing
#12
E Hase, K Sato, D Yonekura, T Minamikawa, M Takahashi, T Yasui
OBJECTIVES: This study aimed to evaluate the histological and mechanical features of tendon healing in a rabbit model with second-harmonic-generation (SHG) imaging and tensile testing. MATERIALS AND METHODS: A total of eight male Japanese white rabbits were used for this study. The flexor digitorum tendons in their right leg were sharply transected, and then were repaired by intratendinous stitching. At four weeks post-operatively, the rabbits were killed and the flexor digitorum tendons in both right and left legs were excised and used as specimens for tendon healing (n = 8) and control (n = 8), respectively...
November 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27879606/improving-outcomes-in-tendon-repair-a-critical-look-at-the-evidence-for-flexor-tendon-repair-and-rehabilitation
#13
Wee S Khor, Martin F Langer, Richard Wong, Rui Zhou, Fiona Peck, Jason K F Wong
LEARNING OBJECTIVES: After reading this article, the participant should be able to: 1. Appreciate the variation and evolution of flexor tendon management 2. Know how to assess the patient who presents with a flexor tendon laceration. 3. Understand the biology of repairing flexor tendon lacerations. 4. Appreciate the technical challenges in flexor tendon repair relating to different zones. 5. Understand the rationale of postoperative hand therapy. 6. Have an overview of the types of secondary tendon surgery...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27875132/emg-driven-optimal-estimation-of-subject-specific-hill-model-muscle-tendon-parameters-of-the-knee-joint-actuators
#14
Antoine Falisse, Sam Van Rossom, Ilse Jonkers, Friedl De Groote
OBJECTIVE: The purpose of this paper is to propose an optimal control problem formulation to estimate subject-specific Hill model muscle-tendon (MT-) parameters of the knee joint actuators by optimizing the fit between experimental and model-based knee moments. Additionally, this paper aims at determining which sets of functional motions contain the necessary information to identify the MT-parameters. METHODS: The optimal control and parameter estimation problem underlying the MT-parameter estimation is solved for subject-specific MT-parameters via direct collocation using an electromyography-driven musculoskeletal model...
November 18, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27866885/surgical-planning-for-flexor-digitorum-longus-tendon-transfers-an-anatomic-study
#15
Jeffrey E McAlister, Shyler L DeMill, Eric So, Christopher F Hyer
Posterior tibial tendon dysfunction is often coupled with various degrees of hindfoot valgus and equinus. Preoperative planning is essential to appropriate procedure choice and surgical efficiency. The purpose of the present study was to assess the anatomy at the harvest site for flexor digitorum longus tendon transfer, specifically at the master knot of Henry. Thirty fresh-frozen below-the-knee cadavers were used for dissection. A standard anatomic approach was performed for posterior tibial tendon debridement and flexor digitorum longus tendon transfer...
November 17, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27860072/magnetic-resonance-imaging-gross-postmortem-and-histological-findings-for-soft-tissues-of-the-plantar-aspect-of-the-tarsus-and-proximal-metatarsal-region-in-non-lame-horses
#16
Sue Dyson, Anthony Blunden, Rachel Murray
Injuries of the plantar soft tissues of the tarsus and proximal metatarsus can be a source of lameness in horses, however published information is lacking on high field MRI characteristics of these tissues. Objectives of the current anatomic study were to (1) describe high-field MRI features of the plantar tarsal and proximal metatarsal soft tissues; and (2) compare MRI findings with gross and histological appearances of selected structures for a sample of cadaver limbs from non-lame horses. Single hindlimbs for 42 horses, and right and left hindlimbs for eight horses were scanned using high-field MRI...
November 13, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27859600/differences-in-extracellular-matrix-proteins-between-friesian-horses-with-aortic-rupture-unaffected-friesians-and-warmblood-horses
#17
M Ploeg, A Gröne, C H A van de Lest, V Saey, L Duchateau, P Wolsein, K Chiers, R Ducatelle, P R van Weeren, M de Bruijn, C Delesalle
BACKGROUND: Aortic rupture is quite common in Friesian horses unlike in Warmblood horses and a hereditary trait is suspected in Friesians. The aortic connective tissue in affected Friesians shows histological changes such as medial necrosis, elastic fibre fragmentation, mucoid material accumulation and fibrosis with aberrant collagen morphology. However, ultrastructural examination of the collagen fibres of the mid-thoracic aorta was inconclusive when trying to further elucidate the pathogenesis of the disease...
November 16, 2016: Equine Veterinary Journal
https://www.readbyqxmd.com/read/27858573/multiple-nerve-and-tendon-transfers-a-new-strategy-for-restoring-hand-function-in-a-patient-with-c7-t1-brachial-plexus-avulsions
#18
Bin Xu, Zhen Dong, Cheng-Gang Zhang, Yu-Dong Gu
C7-T1 brachial plexus palsies result in a loss of finger motion and hand function. The authors have observed that finger flexion motion can be recovered after a brachialis motor branch transfer. However, finger flexion strength after this procedure merely corresponds to Medical Research Council Grades M2-M3, lowering the grip strength and practical value of the reconstructed hand. Therefore, they used 2 donor nerves and accomplished double nerve transfers for stronger finger flexion. In a patient with a C7-T1 brachial plexus injury, they transferred the pronator teres branch to the anterior interosseous nerve and the brachialis motor branch to the flexor digitorum superficialis branch for reinnervation of full finger flexors...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27855536/comparison-of-estimates-of-achilles-tendon-loading-from-inverse-dynamics-and-inverse-dynamics-based-static-optimisation-during-running
#19
Thomas Kernozek, Naghmeh Gheidi, Robert Ragan
Tendon stress may be one of the important risk factors for running-related tendon injury. Several methods have been used to estimate Achilles tendon (AT) loading during a human performance such as inverse dynamics (ID) and inverse dynamics-based static optimisation (IDSO). Our purpose was to examine differences between ID and IDSO estimates of AT loading during running. Kinematic data were captured simultaneously with kinetic data. Imaging of the AT cross-sectional area was performed with ultrasound for 17 healthy runners (height: 170...
November 18, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27851667/outcomes-after-primary-repair-and-staged-reconstruction-of-zone-i-and-ii-flexor-tendon-injuries-in-children
#20
Samantha L Piper, Lesley C Wheeler, Janith K Mills, Marybeth Ezaki, Scott N Oishi
BACKGROUND: Delayed diagnosis of flexor tendon injury in children is common, and consequent flexor sheath scarring may necessitate a 2-stage reconstruction. Previous studies show variable outcomes after 2-stage flexor reconstruction in children, especially those below 6 years old. We evaluated functional and subjective outcomes of primary repair and staged reconstruction of zone I and II tendon injuries in children under 6 years of age. METHODS: A retrospective chart review identified 12 digits in 10 patients who had undergone surgical treatment of a zone I or II flexor tendon injury...
November 15, 2016: Journal of Pediatric Orthopedics
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