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https://www.readbyqxmd.com/read/28922314/temporal-indices-of-ankle-clonus-and-relationship-to-electrophysiologic-and-clinical-measures-in-persons-with-spinal-cord-injury
#1
Kathleen J Manella, Kathryn E Roach, Edelle C Field-Fote
BACKGROUND AND PURPOSE: Clonus arising from plantar flexor hyperreflexia is a phenomenon that is commonly observed in persons with spastic hypertonia. We assessed the temporal components of a biomechanical measure to quantify ankle clonus, and validated these in persons with spasticity due to spinal cord injury. METHODS: In 40 individuals with chronic (>1 year) spinal cord injury, we elicited ankle clonus using a standardized mechanical perturbation (drop test)...
October 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28920556/the-effects-of-limb-dominance-and-a-short-term-high-intensity-exercise-protocol-on-both-landings-of-the-vertical-drop-jump-implications-for-the-vertical-drop-jump-as-a-screening-tool
#2
Enda F Whyte, Patrick Kennelly, Oliver Milton, Chris Richter, Siobhán O'Connor, Kieran A Moran
The effectiveness of vertical drop jumps (VDJs) to screen for non-contact ACL injuries is unclear. This may be contributed to by discrete point analysis, which does not evaluate patterns of movement. Also, limited research exists on the second landing of VDJs, potential lower limb performance asymmetries and the effect of fatigue. Statistical parametric mapping investigated the main effects of landing, limb dominance and a high intensity, intermittent exercise protocol (HIIP) on VDJ biomechanics. Twenty-two male athletes (21...
September 18, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28920544/identification-of-the-location-of-the-a1-pulley-combining-palpation-technique-with-palm-landmarks-and-percutaneous-release-of-a1-pulley-with-a-19-gauge-needle-a-cadaveric-study
#3
Aleksandr Grinčuk, Karolis Baužys, Narūnas Porvaneckas, Valentinas Uvarovas, Gediminas Rauba, Sigitas Ryliškis
The aims of this study were to identify the location of the A1 pulley combining palpation technique with superficial palm landmarks and to determine the efficacy and safety of A1 pulley percutaneous release with a 19-gauge needle. Fourteen fresh frozen cadaveric specimens were used: 56 fingers and 14 thumbs. The location of the A1 pulley was based on anatomical landmarks and was identified in all digits. Complete release of the A1 pulley occurred in 60 of the 70 digits (85.7%). The length of the A1 pulley in thumbs was 5...
September 2017: Journal of Orthopaedic Surgery
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
#4
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/28916692/does-tendon-firing-quicken-time-to-recovery-for-superficial-digital-flexor-tendon-injury
#5
(no author information available yet)
No abstract text is available yet for this article.
September 16, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28902682/the-influence-of-foot-strike-technique-on-the-neuromechanical-function-of-the-foot
#6
Luke A Kelly, Dominic J Farris, Glen A Lichtwark, Andrew G Cresswell
PURPOSE: The aim of this study was to investigate the influence of foot-strike technique on longitudinal arch mechanics and intrinsic foot muscle function during running. METHODS: 13 healthy participants ran barefoot on a force-instrumented treadmill at 2.8ms with a forefoot (FFS) and rear-foot (RFS, habitual) running technique, while kinetic, kinematic and electromyographic (EMG) data from the intrinsic foot muscles were collected simultaneously. The longitudinal arch was modeled as a single "mid-foot" joint representing motion of the rear-foot (calcaneus) relative to the forefoot (metatarsals)...
September 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28888566/tendon-tissue-engineering-mechanism-and-effects-of-human-tenocyte-coculture-with-adipose-derived-stem-cells
#7
Chao Long, Zhen Wang, Anais Legrand, Arhana Chattopadhyay, James Chang, Paige M Fox
PURPOSE: Adipose-derived stem cells (ASCs) are a potential candidate for cell-based therapy targeting tendon injury; however, their therapeutic benefit relies on their ability to interact with native tenocytes. This study examines the mechanism and effects of coculturing human tenocytes and ASCs. METHODS: Tenocytes (T) were directly cocultured with either ASCs (A) or fibroblasts (F) (negative control) in the following ratios: 50% T/50% A or F; 25% T/75% A or F; and 75% T/25% A or F...
September 6, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28881536/-mr-imaging-of-flexor-tendon-and-pulley-system-of-the-fingers-normal-anatomy-and-injury
#8
R J Bai, H L Zhan, Y Liu, H Zhang, Z H Qian, W Ye, Y X Li
Objective: To explore the magnetic resonance imaging (MRI) features of the anatomy and injuries of flexor tendon and pulley system of the fingers. Methods: Clinical and imaging data of 20 healthy volunteers without injuries and 36 patients from Beijing Jishuitan Hospital with flexor tendon and pulley system injuries in the fingers between March 2013 and March 2016 were retrospectively analyzed. All subjects underwent magnetic resonance imaging (MRI) examination. The MRI findings of patients were compared with healthy volunteers...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28878540/bare-medial-epicondyle-physeal-fracture-of-the-humerus-a-case-report
#9
Takashi Oda, Kenji Watanabe
We identified an unusual case of the medial epiondyle physeal fracture, which has been caused by a direct blow, accompanied with complete stripping of soft tissue. Surgery was performed for open reduction and internal fixation of the medial epicondyle and reattachment of the anterior oblique bundle of medial collateral ligament and flexor muscle origin. Six months after the surgery, strength of wrist flexion and forearm pronation, range of motion and valgus stability of the left elbow had recovered. One year after the injury, radiographs showed atrophy and sclerosis of the medial epicondylar apophysis...
August 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28866343/clinical-outcome-of-arthroscopic-treatment-for-posteromedial-elbow-impingement-in-adolescent-baseball-players
#10
Tetsuya Matsuura, Toshiyuki Iwame, Naoto Suzue, Jyoji Iwase, Shunsuke Tamaki, Kenji Yokoyama, Koichi Sairyo
PURPOSE: To evaluate the clinical outcomes of arthroscopic treatment in adolescent baseball players with posteromedial elbow impingement. METHODS: This retrospective study evaluated the clinical outcome of arthroscopic treatment for posteromedial elbow impingement in adolescent baseball players. Patients were eligible for participation if they had undergone surgery at least 2 years earlier and excluded if they had arthritis, loose bodies, osteochondritis dissecans, ulnar collateral ligament tear, flexor/pronator injuries or medial epicondylitis, or nerve problems...
August 30, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28863723/flexor-digitorum-longus-fdl-or-flexor-hallucis-longus-fhl-harvesting-technical-tip-and-case-studies
#11
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/28856021/wrist-ultrasound-examination-scanning-technique-and-ultrasound-anatomy-part-2-ventral-wrist
#12
REVIEW
Cyprian Olchowy, Daniel Soliński, Mateusz Łasecki, Paweł Dąbrowski, Szymon Urban, Urszula Zaleska-Dorobisz
Ultrasound imaging of the musculoskeletal system is an important element of the diagnostic and therapeutic protocol. Clinical decisions, including those regarding surgical procedures, are often based solely on ultrasound imaging. However, detailed knowledge on the anatomy and a correct scanning technique are crucial for an accurate diagnosis. Modern ultrasonographic equipment allows obtaining detailed anatomical images of muscle tendons, ligaments, nerves and vessels of the carpal area. Ventral wrist ultrasound is one of the most common diagnostic procedures in patients with suspected carpal tunnel syndrome...
June 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28853598/incidental-finding-of-a-persistent-median-artery-palmar-type-during-a-routine-carpal-tunnel-decompression-a-case-report
#13
J Butt, A K Ahluwalia, A Dutta
Carpal tunnel syndrome is characterised by compression of the median nerve. The mainstay of treatment is surgical decompression. This case report highlights the occurrence of a persistent median artery, which could complicate surgery. A 55-year-old woman underwent carpal tunnel decompression. An incidental finding of a large-calibre persistent median artery, which was superficial to the flexor sheath, could have been damaged. This was carefully retracted and the procedure was completed, without any complications...
September 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28843128/effect-of-neck-flexor-muscle-activation-on-impact-velocity-of-the-head-during-backward-falls-in-young-adults
#14
W J Choi, S N Robinovitch, S A Ross, J Phan, D Cipriani
Falls are a common cause of traumatic brain injuries (TBI) across the lifespan. A proposed but untested hypothesis is that neck muscle activation influences impact severity and risk for TBI during a fall. We conducted backward falling experiments to test whether activation of the neck flexor muscles facilitates the avoidance of head impact, and reduces impact velocity if the head contacts the ground. Young adults (n=8) fell from standing onto a 30cm thick gymnastics mat while wearing a helmet. Participants were instructed to fall backward and (a) prevent their head from impacting the mat ("no head impact" trials); (b) allow their head to impact the mat, but with minimal impact severity ("soft impact" trials); and (c) allow their head to impact the mat, while inhibiting efforts to reduce impact severity ("hard impact" trials)...
August 16, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28836453/readability-of-the-most-commonly-accessed-online-patient-education-materials-pertaining-to-pathology-of-the-hand
#15
Sheriff D Akinleye, Garret Garofolo-Gonzalez, Michael Montuori, Maya Deza Culbertson, Jennifer Hashem, David Marc Edelstein
BACKGROUND: The American Medical Association (AMA) and National Institutes of Health (NIH) recommend that patient education materials be written at no higher than a sixth-grade reading level. METHODS: We examined 100 online educational materials for the 10 hand conditions most commonly treated by hand surgeons, as reported by the American Society for Surgery of the Hand. The listed conditions were carpal tunnel syndrome, basal joint arthritis of the thumb, de Quervain syndrome, Dupuytren's contracture, ganglion cysts, hand fractures, trigger finger, extensor tendon injuries, flexor tendon injuries, and mallet finger...
August 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28832392/ischemic-preconditioning-blunts-muscle-damage-responses-induced-by-eccentric-exercise
#16
Alexander Franz, Michael Behringer, Jan-Frieder Harmsen, Constantin Mayer, Rüdiger Krauspe, Christoph Zilkens, Moritz Schumann
PURPOSE: Ischemic preconditioning (IPC) is known to reduce muscle damage induced by ischemia and reperfusion-injury (I/R-Injury) during surgery. Due to similarities between the pathophysiological formation of I/R-injury and eccentric exercise-induced muscle damage (EIMD), as characterized by an intracellular accumulation of Ca, an increased production of reactive oxygen species and increased pro-inflammatory signaling, the purpose of the present study was to investigate whether IPC performed prior to eccentric exercise may also protect against EIMD...
August 22, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28832214/painful-pseudotendon-of-the-flexor-carpi-radialis-tendon-a-literature-review-and-case-report
#17
Robert E Van Demark, Elizabeth Helsper, Meredith Hayes, Matthew Hayes, Vanessa J S Smith
BACKGROUND: Flexor tendon ruptures in the wrist are uncommon. Flexor carpi radialis (FCR) tendon rupture can occur in rheumatoid patients, following cortisone injection for tenosynovitis, and following trauma. Following tendon rupture, tethering of the ruptured FCR tendon, or pseudotendon, can form which may or may not be symptomatic. METHODS: A literature review was done reviewing treatment and outcomes of FCR tendon lesions. A case report of painful FCR pseudotendon following a fall is presented...
September 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28832206/closed-partial-flexor-digitorum-profundus-rupture-an-unusual-cause-of-pediatric-trigger-finger
#18
Shane R Jackson, Meily Tan, Kim O Taylor
BACKGROUND: Trigger finger is a common condition, causing impaired gliding of the digital flexor tendons. Chronic inflammation is the usual cause, but acute trigger finger following partial tendon laceration has also been described. METHODS: We describe the case of a four year old girl who presented with inability to flex her index finger. Operative exploration revealed a closed partial rupture of the flexor digitorum profundus tendon, catching on the A2 pulley and preventing normal tendon gliding...
September 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28822690/microrna29a-treatment-improves-early-tendon-injury
#19
Ashlee E Watts, Neal L Millar, Josh Platt, Susan M Kitson, Moeed Akbar, Raquel Rech, Jay Griffin, Roy Pool, Tom Hughes, Iain B McInnes, Derek S Gilchrist
Tendon injuries (tendinopathies) are common in human and equine athletes and characterized by dysregulated collagen matrix, resulting in tendon damage. We have previously demonstrated a functional role for microRNA29a (miR29a) as a post-transcriptional regulator of collagen 3 expression in murine and human tendon injury. Given the translational potential, we designed a randomized, blinded trial to evaluate the potential of a miR29a replacement therapy as a therapeutic option to treat tendinopathy in an equine model that closely mimics human disease...
July 28, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28819607/a-gustilo-type-3b-open-tibial-fracture-treated-with-a-proximal-flexor-hallucis-longus-flap-a-case-report
#20
Tomohiro Yasuda, Masayuki Arai, Kaoru Sato, Koji Kanzaki
INTRODUCTION: In the treatment of Gustilo Type 3B open tibial fractures, it is important to perform soft tissue reconstruction and bone reconstruction simultaneously. Gastrocnemius muscle and soleus muscle flaps are generally used as rotational flaps for the tibia. The distal third of the tibia can often not be covered with the gastrocnemius muscle and soleus muscle flaps. Treatment distal to the distal third of the tibia is difficult because fewer flap options are available. In the present report, we describe our experience with a Gustilo Type 3B open tibial fracture treated by gastrocnemius muscle and soleus muscle flaps, along with an additional proximally based flexor hallucis longus flap, which is a rare procedure...
March 2017: Journal of Orthopaedic Case Reports
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