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https://www.readbyqxmd.com/read/28539054/anatomic-structures-at-risk-when-utilizing-an-intramedullary-nail-for-distal-fibular-fractures-a-cadaveric-study
#1
David A Goss, Christopher W Reb, Terrence M Philbin
BACKGROUND: Retrograde intramedullary fibular nail fixation is being utilized with increasing frequency, particularly in patients at higher risk of wound complications. The purpose of this anatomic study was to assess the relative risk to nearby anatomic structures when implanting a contemporary retrograde locked intramedullary fibular nail. METHODS: Ten human cadaveric lower extremities were instrumented with a fibular nail. The cadavers were dissected. The shortest distance, in millimeters (mm), between the site of procedural steps and nearby named structures of interest (ie, sural nerve, superficial peroneal nerve, and the peroneal tendons) was measured and recorded...
May 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28507850/distally-based-sural-artery-peroneus-flap-dbspf-for-foot-and-ankle-reconstruction
#2
Ahmed Ali Ebrahiem, Raj Kumar Manas, Gustavo Vinagre
BACKGROUND: Reconstruction of soft-tissue defects in lower third of leg, ankle, and foot has been a challenge and reconstructive surgeons have been trying to innovate different flaps. To solve this issue, we propose a distally based sural artery peroneus flap (DBSPF) in which we include superficial portion of the peroneus brevis muscle and its blood supply with the peroneal artery distally. The aim of this study was to evaluate the functional outcome and its usefulness over conventional distal sural artery flap or other local options available...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28486729/effects-of-synchronous-whole-body-vibration-training-on-a-soft-unstable-surface-in-athletes-with-chronic-ankle-instability
#3
Rafael Sierra-Guzmán, Jose Fernando Jiménez, Carlos Ramírez, Paula Esteban, Javier Abián-Vicén
The aim of this study was to evaluate the effects of a 6-week WBV training program, performed on a soft, unstable surface, on peak torque, reaction time and the electrical activity of ankle muscles in recreational athletes with chronic ankle instability (CAI). 50 recreational athletes with self-reported unilateral CAI were randomly assigned to a vibration group (VIB), non-vibration group (N-VIB) or control group. The VIB and N-VIB groups performed unilateral balance training on the unstable ankle on a BOSU(®) Balance Trainer 3 times weekly for 6 weeks...
May 9, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28482680/optimal-starting-point-for-fifth-metatarsal-zone-ii-fractures-a-cadaveric-study
#4
Geoffrey I Watson, Sydney C Karnovsky, Gabrielle Konin, Mark C Drakos
BACKGROUND: Identifying the optimal starting point for intramedullary fixation of tibia and femur fractures is well described in the literature using a retrograde or anterograde technique. This technique has not been applied to the fifth metatarsal, where screw trajectory can cause iatrogenic malreduction. The generally accepted starting point for the fifth metatarsal is "high and inside" to accommodate the fifth metatarsal's dorsal apex and medial curvature. We used a retrograde technique to identify the optimal starting position for intramedullary fixation of fifth metatarsal fractures...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28434966/diagnostic-biopsy-of-a-motor-branch-of-the-superficial-peroneal-nerve-to-the-peroneus-longus-a-convenient-alternative-for-motor-nerve-biopsy
#5
Randy S D'Amico, Christopher J Winfree
INTRODUCTION: Motor nerve biopsy is performed to supplement clinical, serological, and imaging data in the work-up of neuropathies of unknown origin, especially when motor neuron disease is suspected. METHODS: We describe a surgical technique for biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle. RESULTS: Three patients presented with weakness concerning for motor neuropathy and underwent biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle...
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28428826/the-reliability-of-shear-elastic-modulus-measurement-of-the-ankle-plantar-flexion-muscles-is-higher-at-dorsiflexed-position-of-the-ankle
#6
Junya Saeki, Tome Ikezoe, Masatoshi Nakamura, Satoru Nishishita, Noriaki Ichihashi
BACKGROUND: Excessive stiffness of lower limb muscles is associated with sports injuries. Therefore, the identification of a reliable measurement of the shear elastic modulus of various ankle plantar flexion muscles is required to evaluate lower leg sports injuries. This study investigated the reliable measurement of the shear elastic modulus of the ankle plantar flexion muscles at different ankle positions. METHODS: Twenty-three healthy young men (25.3 ± 3...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28399893/ultrasound-guided-steroid-tendon-sheath-injections-in-juvenile-idiopathic-arthritis-a-10-year-single-center-retrospective-study
#7
Shannon E Peters, Ronald M Laxer, Bairbre L Connolly, Dimitri A Parra
BACKGROUND: The aims of this study were to: (a) Identify tendon sheaths most commonly treated with steroid injections in a pediatric patient population with Juvenile Idiopathic Arthritis (JIA); (b) Describe technical aspects of the procedure; (c) Characterize sonographic appearance of tenosynovitis in JIA; (d) Assess agreement between clinical request and sites injected. METHODS: This was a 10 year single-center retrospective study (May 2006-April 2016) of patients with JIA referred by Rheumatology for ultrasound-guided tendon sheath injections...
April 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28394679/symptomatic-os-vesalianuma-case-report-and-review-of-the-literature
#8
Frank Timo Beil, Rolf D Burghardt, Andre Strahl, Wolfgang Ruether, Andreas Niemeier
Os vesalianum is a rare accessory bone located proximal to the base of the fifth metatarsal in the peroneus brevis tendon. It is a radiographic diagnosis and mostly an asymptomatic incidental finding with a reported prevalence of 0.1% to 0.9%. Only 11 symptomatic cases have been described in the literature. Surgical therapy has been reported with good outcome in adults, whereas recurrence may follow excision during skeletal growth. We report a case of a 19-year-old girl with chronic weightbearing pain proximal to the base of the fifth metatarsal of her left foot...
March 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28391722/eversion-strength-and-surface-electromyography-measures-with-and-without-chronic-ankle-instability-measured-in-2-positions
#9
Lindsy Donnelly, Luke Donovan, Joseph M Hart, Jay Hertel
BACKGROUND: Individuals with chronic ankle instability (CAI) have demonstrated strength deficits compared to healthy controls; however, the influence of ankle position on force measures and surface electromyography (sEMG) activation of the peroneus longus and brevis has not been investigated. The purpose of this study was to compare sEMG amplitudes of the peroneus longus and brevis and eversion force measures in 2 testing positions, neutral and plantarflexion, in groups with and without CAI...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28390293/comparison-of-foot-muscle-morphology-and-foot-kinematics-between-recreational-runners-with-normal-feet-and-with-asymptomatic-over-pronated-feet
#10
Xianyi Zhang, Jeroen Aeles, Benedicte Vanwanseele
Over-pronated feet are common in adults and are associated with lower limb injuries. Studying the foot muscle morphology and foot kinematic patterns is important for understanding the mechanism of over-pronation related injuries. The aim of this study is to compare the foot muscle morphology and foot inter-segmental kinematics between recreational runners with normal feet and those with asymptomatic over-pronated feet. A total of 26 recreational runners (17 had normal feet and 9 had over-pronated feet) participated in this study and their foot type was assessed using the 6-item Foot Posture Index...
March 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28382374/proximal-peroneus-longus-tear-rare-case-in-a-teenage-athlete-and-review-of-the-literature
#11
Matthew Winfeld, Nancy Chauvin
We present the case of a 15-year-old teenager who sustained an ankle inversion injury while playing American football, which yielded only minimal pain, but also foot numbness and a lateral leg bulge. Magnetic resonance imaging evaluation revealed a proximal peroneal tear. These rare injuries are often associated with compartment syndrome, a surgical emergency, which was ultimately excluded clinically in this patient. Relevant anatomy, mechanism of injury, and clinical manifestations are discussed.
July 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28362217/can-graduated-compressive-stockings-reduce-muscle-activity-during-running
#12
Ángel Gabriel Lucas-Cuevas, José Ignacio Priego Quesada, José Vicente Giménez, Inmaculada Aparicio, Juan Manuel Cortell-Tormo, Pedro Pérez-Soriano
PURPOSE: Graduated compressive stockings (GCS) have been suggested to influence performance by reducing muscle oscillations and improving muscle function and efficiency. However, no study to date has analyzed the influence of GCS on muscle activity during running. The objective of the study was to analyze the influence of GCS on the perception of comfort and muscle activation of the main muscles of the lower leg during running. METHOD: Thirty-six participants ran on a treadmill with (GCS) or without (control) GCS...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28351742/effects-of-treadmill-incline-and-speed-on-peroneus-longus-muscle-activity-in-persons-with-chronic-stroke-and-healthy-subjects
#13
Roghayeh Mohammadi, Chetan P Phadke
OBJECTIVE: To examine the effects of walking at different inclines and speeds on Peroneus Longus (PL) muscle activation and medial gastrocnemius (MG) coactivation with PL in healthy controls and subjects with stroke. DESIGN: Nineteen persons post-stroke (13M/6F) and fifteen healthy controls (10M/5F) walked on a treadmill at different inclines (0°, 3°, and 6°) and speeds (self-selected, self-selected+20%, self-selected+40%). The electromyographic activity of the PL and MG muscles in the stance phase of gait cycle was measured...
March 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28350716/movement-strategies-among-groups-of-chronic-ankle-instability-coper-and-control
#14
S Jun Son, Hyunsoo Kim, Mattew K Seeley, J Ty Hopkins
INTRODUCTION: Comprehensive evaluation of movement strategies during functional movement is a difficult undertaking. Because of this challenge, studied movements have been over simplified. Furthermore, evaluating movement strategies at only a discrete time point(s) provide limited insight into how movement strategies may change or adapt in chronic ankle instability (CAI) patients. This study aimed to identify abnormal movement strategies in individuals with a history of ankle sprain injury during a sports maneuver compared to healthy controls...
March 27, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28321479/novel-anatomical-reconstruction-of-distal-tibiofibular-ligaments-restores-syndesmotic-biomechanics
#15
Jian Che, Chunbao Li, Zhipeng Gao, Wei Qi, Binping Ji, Yujie Liu, Ming Han Lincoln Liow
PURPOSE: To date, there is a paucity of literature on syndesmotic reconstruction techniques that restore both anatomic stability and physiologic syndesmotic biomechanics. In this cadaveric study, (1) a novel syndesmotic reconstruction surgical technique using autogenous peroneus brevis tendon was described and (2) the biomechanical properties of the reconstruction was investigated. METHODS: Ten fresh-frozen lower extremities were used in this study. Reconstruction of the anterior and posterior, as well as the interosseous tibiofibular ligaments was performed with a halved peroneus brevis tendon...
March 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28294565/ankle-pathologies-in-patients-with-inflammatory-rheumatic-diseases-a-clinical-and-ultrasonographic-study
#16
Halil Harman, İbrahim Tekeoğlu
AIM: We determined ankle pathologies in patients with different types of inflammatory rheumatic diseases using high-resolution ultrasonographic (US) images, and compared the findings among the different patient groups. METHODS: The study included 142 randomly selected inflammatory rheumatic disease patients with clinically swollen or painful ankle joints; 69 patients had rheumatoid arthritis (RA), 58 had spondyloarthropathies (SpA) and 15 had gout. Ankle assessment on US included all of the important anatomical structures...
March 12, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28272925/a-biomechanical-comparison-of-allograft-tendons-for-ligament-reconstruction
#17
Jeremiah E Palmer, Joseph P Russell, Jason Grieshober, Abigail Iacangelo, Benjamin A Ellison, T Dylan Lease, Hyunchul Kim, R Frank Henn, Adam H Hsieh
BACKGROUND: Allograft tendons are frequently used for ligament reconstruction about the knee, but they entail availability and cost challenges. The identification of other tissues that demonstrate equivalent performance to preferred tendons would improve limitations. Hypothesis/Purpose: We compared the biomechanical properties of 4 soft tissue allograft tendons: tibialis anterior (TA), tibialis posterior (TP), peroneus longus (PL), and semitendinosus (ST). We hypothesized that allograft properties would be similar when standardized by the looped diameter...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28271933/peroneus-quartus-muscle-autografta-novel-approach-to-the-repair-of-a-split-peroneus-brevis-tendon-tear
#18
Scott Carlis, Daniel Pollack, Shaylyn McTeague, Greg Khaimov
This case report highlights a novel approach to strengthening the repair of a split peroneus brevis tendon tear with a peroneus quartus muscle autograft. We describe a 51-year-old woman with a longitudinal split tear of the peroneus brevis tendon confirmed by magnetic resonance imaging. Intraoperatively, a peroneus quartus muscle was appreciated, resected, and used as an autograft in the repair of the peroneus brevis tendon. Use of a peroneus quartus muscle as an autograft in peroneal tendon repair has not been documented in the literature, to our knowledge...
January 2017: Journal of the American Podiatric Medical Association
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...
March 2, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28241725/-minimally-invasive-tarsal-sinus-incision-combined-with-manipulative-reduction-and-internal-fixation-for-calcaneal-fractures-of-sanders-type%C3%A2-and-%C3%A2
#20
M Chen, K Deng, W H Zeng, J J Zeng, Q S Zhong, Z M Han
Objective: To evaluate the method and curative effect of plate fixation or percutaneous screws for the treatment of calcaneal fractures of Sanders type Ⅱ and Ⅲ via a minimally invasive sinus tarsi incision combined with a variety of manipulative reduction methods. Methods: Twenty-one patients with closed calcaneal fractures treated in the Department of Orthopedics, the First Affiliated Hospital of Nanchang University from January 2014 to January 2016 were collected. There were 15 men and 6 women, with an average age of 39...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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