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https://www.readbyqxmd.com/read/29145963/functional-results-and-isokinetic-muscle-strength-in-patients-with-fraser-type-i-floating-knee-treated-with-internal-fixation
#1
Fernando Brandao Andrade-Silva, Adriana Carvalho, Caio Mansano, Aline Giese, Marcos de Camargo Leonhardt, Dennis Barbosa, Kodi Edson Kojima, Jorge Santos Silva
INTRODUCTION: According to Fraser's description, ipsilateral femoral and tibial diaphyseal fractures are characterised as type I floating knee and have a better prognosis than fractures with joint involvement (type II). There are few reports of functional and muscle strength in these patients. The objective of this study was to evaluate the functional and isokinetic muscle strength of patients with type I floating knee undergoing femoral and tibial internal fixation. METHODS: Patients with type I floating knee undergoing concomitant femoral and tibial internal fixation were invited for clinical evaluation...
October 2017: Injury
https://www.readbyqxmd.com/read/29132791/in%C3%A2-vitro-kinematic-assessment-of-a-hinged-elbow-orthosis-following-lateral-collateral-ligament-injury
#2
Ranita H Manocha, Graham J W King, James A Johnson
PURPOSE: Elbow lateral collateral ligament injuries (LCLI) are often managed with protected mobilization using a hinged elbow orthosis (HEO). The objective of this investigation was to determine the effectiveness of an HEO in stabilizing the elbow following LCLI. METHODS: Seven fresh-frozen cadaveric upper extremity specimens were studied using a custom simulator that enabled elbow motion via computer-controlled actuators and servomotors attached to relevant tendons...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29132386/primary-single-suture-anchor-re-fixation-of-anterior-cruciate-ligament-proximal-avulsion-tears-leads-to-good-functional-mid-term-results-a-preliminary-study-in-12-patients
#3
Christof Hoffmann, Jan Friederichs, Christian von Rüden, Christian Schaller, Volker Bühren, Christoph Moessmer
BACKGROUND: Current studies demonstrate encouraging short-term results after primary anterior cruciate ligament (ACL) suture anchor repair. However, earlier studies reported deterioration of knee function at 5-year follow-up following good clinical short-term recovery. Therefore, the aim of this study was to evaluate clinical long-term results after primary ACL repair at a minimum 5-year follow-up. METHODS: In a retrospective study, 13 patients were included between 2009 and 2012...
November 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29128879/the-oarsi-core-set-of-performance-based-measures-for-knee-osteoarthritis-is-reliable-but-not-valid-and-responsive
#4
J J Tolk, R P A Janssen, C A C Prinsen, D A J M Latijnhouwers, M C van der Steen, S M A Bierma-Zeinstra, M Reijman
PURPOSE: The Osteoarthritis Research Society International has identified a core set of performance-based tests of physical function for use in people with knee osteoarthritis (OA). The core set consists of the 30-second chair stand test (30-s CST), 4 × 10 m fast-paced walk test (40 m FPWT) and a stair climb test. The aim of this study was to evaluate the reliability, validity and responsiveness of these performance-based measures to assess the ability to measure physical function in knee OA patients...
November 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29128741/reliability-of-the-knee-muscle-co-contraction-index-during-gait-in-young-adults-with-and-without-knee-injury-history
#5
Maurice Mohr, Kristin Lorenzen, Luz Palacios-Derflingher, Carolyn Emery, Benno M Nigg
Despite the frequent use of the electromyography-based muscle co-contraction index (CCI) to examine muscular control of the knee joint in young adults with and without knee injury history, the reliability of the CCI in this population is unknown. The purpose of this study was to quantify within-day and between-day reliability of the knee muscle CCI during gait in young adults with and without knee injury history. Twenty young adults (10 males, 10 females) with and without history of intra-articular knee injury performed repeated gait analyses on two different days...
November 6, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29117843/outcome-of-hook-plate-fixation-of-mallet-fractures
#6
Joyce Tie, Michael K H Hsieh, Shian Chao Tay
BACKGROUND: Hook plate fixation of closed mallet fractures was first described in 2007, but there has subsequently been a lack of studies examining the outcomes and complications of this technique. METHODS: This paper aims to assess the clinical outcomes of hook plate fixation of closed mallet fractures by retrospectively reviewing 31 closed, bony mallet injuries that were surgically fixed with a hook plate between 2002-2011. RESULTS: Patients who underwent hook plate fixation had a median time to radiographic union of 83 days...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29117830/in-vitro-evaluation-of-human-hand-tendon-ingrowth-into-a-synthetic-scaffold
#7
Shalimar Abdullah, Fadzlina Mohtar, Nordashima Abdul Shukor, Jamari Sapuan
BACKGROUND: Synthetic scaffold has been used for tissue approximation and reconstructing damaged and torn ligaments. This study explores the ability of tendon ingrowth into a synthetic scaffold in vitro, evaluate growth characteristics, morphology and deposition of collagen matrix into a synthetic scaffold. METHODS: Upper limb tendons were harvested with consent from patients with crush injuries and non-replantable amputations. These tendons (both extensor and flexor) measuring 1 cm are sutured to either side of a 0...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29117428/change-in-knee-flexor-torque-after-fatiguing-exercise-identifies-previous-hamstring-injury-in-football-players
#8
Cameron Lord, Fadi Ma'ayah, Anthony J Blazevich
PURPOSE: Muscular fatigue and inter-limb strength asymmetry are factors known to influence hamstring injury risk, however limb-specific exacerbation of knee flexor (hamstrings) torque production after fatiguing exercise has previously been ignored. To investigate changes in muscular force production before and after sport-specific (repeated-sprint) and non-specific (knee extension-flexion) fatiguing exercise, and explore the sensitivity and specificity of isokinetic endurance (i.e. muscle-specific) and single-leg vertical jump (i...
November 8, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29115654/management-of-capitellar-fractures-with-open-reduction-and-internal-fixation-using-herbert-screws
#9
Asif Sultan, Omar Khursheed, Mohammad Rafiq Bhat, Hilal Ahmad Kotwal, Qazi Waris Manzoor
BACKGROUND: Capitellar fractures are rare elbow injuries and can cause severe limitation of function if not properly managed. Numerous treatments have evolved, from closed reduction and cast immobilization to open reduction and internal fixation (ORIF), so as to achieve a stable joint that allows early mobilization. We determined the functional outcomes of treating these fractures with ORIF using Herbert screws via an extensile lateral approach. METHODS: Fifteen patients with capitellar fractures were included in this retrospective study...
November 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29098354/-total-elbow-arthroplasty-in-traumatic-and-post-traumatic-bone-defects
#10
REVIEW
M Hackl, L P Müller, T Leschinger, K Wegmann
Total elbow arthroplasty is currently most commonly carried out due to acute trauma or post-traumatic conditions. Bone defects are often present and must be considered in the (pre-)operative workup. The use of semi-constrained prostheses with a systematic cementing technique through a triceps-on approach leads to satisfying clinical results, however, the outcome is worse when compared with rheumatic patients.Primary total elbow arthroplasty for complex distal humerus fractures in the elderly patient or secondary implantation following failed conservative treatment or osteosynthesis represent possible indications for (post‑)traumatic joint replacement...
November 2, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29096210/super-selective-cervical-nerve-root-stimulation-in-contralateral-c7-transfer-an-intraoperative-study
#11
Nora Franziska Dengler, Gregor Antoniadis, Christian Heinen, Brigitta Grolik, Christian Rainer Wirtz, Ralph König, Maria Teresa Pedro
OBJECTIVE: We designed this study using super-selective intraoperative cervical nerve root stimulation aiming to support decision making about complete or partial contralateral C7 (cC7) nerve root transfer in patients with multiple cervical root avulsion injury. METHODS: Super-selective intraoperative stimulations of anterior, lateral, medial and posterior aspect of C5-C8 nerve roots were performed. Compound muscle action potentials (CMAP) were recorded in the lateral part of the deltoid (DM), long head of biceps brachii (BCM), brachioradial (BRM), long head of triceps brachii (TCM), and extensor digitorum communis (EDC) muscle...
December 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29095402/mri-and-arthroscopy-correlation-in-the-patellofemoral-joint
#12
Lisa G M Friedman, Melissa S White, Patrick F Carroll, Jeffrey A Macalena, Elizabeth A Arendt, Jutta M Ellermann, Marc Tompkins
The patellofemoral joint is an articulation between the patella and the femoral trochlea, which serves to increase the lever arm of the extensor mechanism. The stability of the patella within the trochlear groove is supported statically by the bony confines of the groove itself, as well as the medial patellofemoral ligament, and dynamically by the vastus musculature. Pathologic changes seen on magnetic resonance imaging (MRI) are frequently well correlated with findings found by arthroscopy at the time of surgery...
December 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/29089111/trunk-response-and-stability-in-standing-under-sagittal-symmetric-pull-push-forces-at-different-orientations-elevations-and-magnitudes
#13
Z El Ouaaid, A Shirazi-Adl, A Plamondon
To reduce lifting and associated low back injuries, manual material handling operations often involve pulling-pushing of carts at different weights, orientations, and heights. The loads on spine and risk of injury however need to be investigated. The aim of this study was to evaluate muscle forces, spinal loads and trunk stability in pull-push tasks in sagittal-symmetric, static upright standing posture. Three hand-held load magnitudes (80, 120 and 160 N) at four elevations (0, 20, 40 and 60 cm to the L5-S1) and 24 force directions covering all pull/push orientations were considered...
October 25, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29078727/proximal-phalanx-fracture-management
#14
Tim T Lögters, Hannah H Lee, Sebastian Gehrmann, Joachim Windolf, Robert A Kaufmann
BACKGROUND: The goal of proximal phalangeal fracture management is to allow for fracture healing to occur in acceptable alignment while maintaining gliding motion of the extensor and flexor tendons. METHODS: We reviewed the most current literature on various treatment methods of proximal phalanx fractures, focusing on the indications and outcomes of nonoperative as well as operative interventions. RESULTS: Stable fractures can be successfully treated nonoperatively, whereas unstable injuries benefit from surgery...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29076959/effects-of-pre-competitive-preparation-period-on-the-isokinetic-muscular-characteristics-in-world-class-handball-players
#15
Olivier Maurelli, Pierre Louis Bernard, Romain Dubois, Said Ahmaidi, Jacques Prioux
The aim of this study was to describe the effects of eight weeks of pre-competitive period preparation (Pc2P) on the isokinetic muscular characteristics in world-class handball players. Nineteen male professional players (age: 26.6 ± 5.4 years) participated in the study. Two bilateral isokinetic tests of knee joint flexors (H; Hamstring) and extensors (Q; Quadriceps) were performed before and after Pc2P to determine the peak torque (PT), the mean power (MP) and the ratios (agonist/antagonist, dominant/non-dominant and combined)...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29076759/internal-fixation-of-displaced-intra-articular-fractures-of-the-hallux-through-a-dorsomedial-approach-a-technical-tip
#16
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...
October 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29074289/gait-biomechanics-of-skipping-are-substantially-different-than-those-of-running
#17
Jessica McDonnell, John D Willson, Kevin A Zwetsloot, Joseph Houmard, Paul DeVita
The inherit injury risk associated with high-impact exercises calls for alternative ways to achieve the benefits of aerobic exercise while minimizing excessive stresses to body tissues. Skipping presents such an alternative, incorporating double support, flight, and single support phases. We used ground reaction forces (GRFs), lower extremity joint torques and powers to compare skipping and running in 20 healthy adults. The two consecutive skipping steps on each limb differed significantly from each other, and from running...
October 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29067867/comparison-of-transcutaneous-electrical-nerve-stimulation-tens-and-functional-electrical-stimulation-fes-for-spasticity-in-spinal-cord-injury-a-pilot-randomized-cross-over-trial
#18
Anjali Sivaramakrishnan, John M Solomon, Natarajan Manikandan
OBJECTIVE: Spasticity following spinal cord injury (SCI) can impair function and affect quality of life. This study compared the effects of transcutaneous electrical nerve stimulation (TENS) and functional electrical stimulation (FES) on lower limb spasticity in patients with SCI. DESIGN: Double blind randomized crossover design. SETTING: Neuro-rehabilitation unit, Manipal University, India. PARTICIPANTS: Ten participants (age: 39 ± 13...
October 25, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29050687/comparison-of-adverse-events-and-postoperative-mobilization-following-knee-extensor-mechanism-rupture-repair-a-systematic-review-and-network-meta-analysis
#19
Joseph Serino, Amin Mohamadi, Sebastian Orman, Brian McCormick, Philip Hanna, Michael J Weaver, Mitchel B Harris, Ara Nazarian, Arvind von Keudell
BACKGROUND: Extensor mechanism rupture (EMR) of the knee is a rare but potentially debilitating injury that often occurs due to trauma. While a wide variety of surgical treatments have been reported, there is currently no consensus on the most successful treatment method. The timing of post-operative joint mobilization is also critical for successful recovery after EMR repair. Despite the traditional method of complete immobilization for 6 weeks, there is an increasing trend towards early post-operative knee mobilization...
October 16, 2017: Injury
https://www.readbyqxmd.com/read/29042331/the-first-experience-of-triple-nerve-transfer-in-proximal-radial-nerve-palsy
#20
Mohammadreza Emamhadi, Sasan Andalib
BACKGROUND: Injury to distal of posterior cord of brachial plexus leads to palsy of the radial and axillary nerves. The symptoms are usually motor deficits of the deltoid muscle, triceps brachii muscle, and the extensor muscles of the wrist, thumb and fingers. Tendon transfers, nerve grafts, and nerve transfers are options of surgical treatment of proximal radial nerve palsy to restore some motor functions. Tendon transfer is painful, requires a long immobilization, and decreases donor muscle strength; nevertheless, nerve transfer produces promising outcome...
October 14, 2017: World Neurosurgery
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