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https://www.readbyqxmd.com/read/29644038/calcific-tendonitis-of-the-quadriceps-tendon
#1
S A Webb, M A Hopper, J Chitnavis
A 61-year-old woman presented with chronic anterior pain and stiffness in the distal left thigh. Examination revealed swelling and tenderness immediately proximal to the patella. Radiographs showed opacities in the distal anterior thigh whilst MRI identified enlargement of the distal quadriceps tendon with splayed fibres separated by solid conglomerates. Dystrophic calcification of the quadriceps tendon was diagnosed. Blood tests revealed no systemic abnormalities in calcium handling. Arthroscopy of the left knee identified calcific deposits in the supra-patella pouch with surrounding synovitis...
April 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29593820/prophylaxis-of-medial-compartment-gonarthrosis-in-varus-knee-current-state-of-knowledge
#2
Anna Fryzowicz, Lechosław B Dworak, Paweł Koczewski
The progression of gonarthrosis results in reduction of physical activity. One of the factors that increase the risk of osteoarthrosis may be joint overload related to the malalignment of the mechanical axis of the lower extremity. The medial compartment (MC) of the knee is particularly susceptible to overload due to the external knee adduction moment (EKAM). Varus knee malalignment contributes to increased EKAM and thus results in increased MC loading. The purpose of this study is to present methods described in current literature aimed at reducing the disproportion in the distribution of loads on articular surfaces of medial and lateral knee compartments in people with varus knee malalignment...
March 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29584491/active-muscle-response-contributes-to-increased-injury-risk-of-lower-extremity-in-occupant-knee-airbag-interaction
#3
Bingbing Nie, Deepak Sathyanarayan, Xin Ye, Jeff R Crandall, Matthew B Panzer
OBJECTIVE: Recent field data analysis has demonstrated that knee airbags (KABs) can reduce occupant femur and pelvis injuries but may be insufficient to decrease leg injuries in motor vehicle crashes. An enhanced understanding of the associated injury mechanisms requires accurate assessment of physiological-based occupant parameters, some of which are difficult or impossible to obtain from experiments. This study sought to explore how active muscle response can influence the injury risk of lower extremities during KAB deployment using computational biomechanical analysis...
February 28, 2018: Traffic Injury Prevention
https://www.readbyqxmd.com/read/29543576/effectiveness-of-valgus-offloading-knee-braces-in-the-treatment-of-medial-compartment-knee-osteoarthritis-a-systematic-review
#4
Chetan Gohal, Ajaykumar Shanmugaraj, Patrick Tate, Nolan S Horner, Asheesh Bedi, Anthony Adili, Moin Khan
CONTEXT: Knee osteoarthritis affects 9.3 million adults over age 45 years in the United States. There is significant disability associated with this condition. Given the potential complications and the significant cost to the health care system with the dramatic increase in total knee arthroplasties performed for this condition, assessment of the efficacy of nonoperative modalities, such as offloading knee braces, is essential as part of optimizing nonoperative treatment for this condition...
March 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29535572/exploring-the-metabolic-and-perceptual-correlates-of-self-selected-walking-speed-under-constrained-and-un-constrained-conditions
#5
David T Godsiff, Shelly Coe, Charlotte Elsworth-Edelsten, Johnny Collett, Ken Howells, Martyn Morris, Helen Dawes
Mechanisms underpinning self-selected walking speed (SSWS) are poorly understood. The present study investigated the extent to which SSWS is related to metabolism, energy cost, and/or perceptual parameters during both normal and artificially constrained walking. Fourteen participants with no pathology affecting gait were tested under standard conditions. Subjects walked on a motorized treadmill at speeds derived from their SSWS as a continuous protocol. RPE scores (CR10) and expired air to calculate energy cost (J...
March 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29526856/a-wearable-resistive-robot-facilitates-locomotor-adaptations-during-gait
#6
Edward P Washabaugh, Chandramouli Krishnan
BACKGROUND: Robotic-resisted treadmill walking is a form of task-specific training that has been used to improve gait function in individuals with neurological injury, such as stroke, spinal cord injury, or cerebral palsy. Traditionally, these devices use active elements (e.g., motors or actuators) to provide resistance during walking, making them bulky, expensive, and less suitable for overground or in-home rehabilitation. We recently developed a low-cost, wearable robotic brace that generates resistive torques across the knee joint using a simple magnetic brake...
2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29511700/variability-of-united-states-online-rehabilitation-protocols-for-proximal-hamstring-tendon-repair
#7
Harry M Lightsey, David E Kantrowitz, Hasani W Swindell, David P Trofa, Christopher S Ahmad, T Sean Lynch
Background: The optimal postoperative rehabilitation protocol following repair of complete proximal hamstring tendon ruptures is the subject of ongoing investigation, with a need for more standardized regimens and evidence-based modalities. Purpose: To assess the variability across proximal hamstring tendon repair rehabilitation protocols published online by United States (US) orthopaedic teaching programs. Study Design: Cross-sectional study...
February 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29494823/evaluation-of-factors-that-affect-hip-moment-impulse-during-gait-a-systematic-review
#8
Takuma Inai, Tomoya Takabayashi, Mutsuaki Edama, Masayoshi Kubo
BACKGROUND: Decreasing the daily cumulative hip moments in the frontal and sagittal planes may lower the risk of hip osteoarthritis. Therefore, it may be important to evaluate factors that affect hip moment impulse during gait. RESEARCH QUESTION: It is unclear what factors affect hip moment impulse during gait. This systematic review aimed to evaluate different factors that affect hip moment impulse during gait in healthy adults and patients with hip osteoarthritis...
February 19, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29476804/plasticity-in-central-neural-drive-with-short-term-disuse-and-recovery-effects-on-muscle-strength-and-influence-of-aging
#9
L G Hvid, P Aagaard, N Ørtenblad, M Kjaer, C Suetta
While short-term disuse negatively affects mechanical muscle function (e.g. isometric muscle strength) little is known of the relative contribution of adaptions in central neural drive and peripheral muscle contractility. The present study investigated the relative contribution of adaptations in central neural drive and peripheral muscle contractility on changes in isometric muscle strength following short-term unilateral disuse (4 days, knee brace) and subsequent active recovery (7 days, one session of resistance training) in young (n = 11, 24 yrs) and old healthy men (n = 11, 67 yrs)...
February 21, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29470650/management-of-knee-dislocation-prior-to-ligament-reconstruction-what-is-the-current-evidence-update-of-a-universal-treatment-algorithm
#10
REVIEW
Alexander Maslaris, Olaf Brinkmann, Matthias Bungartz, Christian Krettek, Michael Jagodzinski, Emmanouil Liodakis
Traumatic knee dislocation is a rare but potentially limb-threatening injury. Thus proper initial diagnosis and treatment up to final ligament reconstruction are extremely important and a precondition to successful outcomes. Reports suggest that evidence-based systematic approaches lead to better results. Because of the complexity of this injury and the inhomogeneity of related literature, there are still various controversies and knowledge gaps regarding decision-making and step-sequencing in the treatment of acute multi-ligament knee injuries and knee dislocations...
February 22, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29424762/can-diagnostic-and-therapeutic-arthrocentesis-be-successfully-performed-in-the-flexed-knee
#11
Sabeen Yaqub, Wilmer L Sibbitt, Philip A Band, James F Bennett, N Suzanne Emil, Monthida Fangtham, Roderick A Fields, William A Hayward, Scarlett K Kettwich, Luis P Roldan, Arthur D Bankhurst
BACKGROUND/OBJECTIVE: The objective of this study was to determine whether the extended or flexed knee positioning was superior for arthrocentesis and whether the flexed knee positioning could be improved by mechanical compression. METHODS: Fifty-five clinically effusive knees underwent arthrocentesis in a quality improvement intervention: 20 consecutive knees in the extended knee position using the superolateral approach, followed by 35 consecutive knees in the flexed knee position with and without an external compression brace placed on the suprapatellar bursa...
February 7, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29424164/-research-progress-on-the-etiology-and-treatment-of-patellofemoral-pain-syndrome
#12
REVIEW
Li-Hua Cui
Patellofemoral pain syndrome (PFPS) is one of the most common diseases that cause pain in the knee joint. At present, there is no specific diagnostic measure. The diagnosis of patellofemoral pain syndrome may be considered when imaging is performed without cartilage, ligament and soft tissue injuries. The etiology includes abnormalities of the patellar motion caused by various anatomical abnormalities, such as abnormal patellar position, increased Q angle, and excessive valgus foot. Dysfunction of the lower extremity muscles such as the imbalance of the four biceps and the dysfunction of the gluteal muscles also play an important role in the development of patellofemoral pain syndrome...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29413792/combined-effects-of-knee-brace-laterally-wedged-insoles-and-toe-in-gait-on-knee-adduction-moment-and-balance-in-moderate-medial-knee-osteoarthritis-patients
#13
Saad Jawaid Khan, Soobia Saad Khan, Juliana Usman, Abdul Halim Mokhtar, Noor Azuan Abu Osman
OBJECTIVE: To test the hypothesis that toe-in gait (TI) will further reduce first peak (Knee Adduction Moment) KAM and decrease balance when combined with a knee brace (KB) and laterally wedged insoles (LWI) in medial knee osteoarthritis (kOA) patients. PARTICIPANTS: Twenty patients with bilateral symptomatic medial kOA. INTERVENTIONS: 4-point leverage-based KB, full-length LWI with 5° inclination and toe-in gait (TI). MAIN OUTCOME MEASURES: First and second peak knee adduction moment (fKAM and sKAM respectively), balance and pain...
January 29, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29409204/correction-of-ankle-and-hind-foot-deformity-in-charcot-neuroarthropathy-using-a-retrograde-hind-foot-nail-the-kings-experience
#14
N Vasukutty, H Jawalkar, A Anugraha, R Chekuri, R Ahluwalia, V Kavarthapu
BACKGROUND: Corrective fusion for the unstable deformed hind foot and mid foot in Charcot Neuroarthropathy (CN) is quite challenging and is best done in tertiary centres under the supervision of multidisciplinary teams. METHODS: We present a follow up to our initial report with a series of 42 hind foot corrections in 40 patients from a tertiary level teaching hospital in the United Kingdom. The mean patient age was 59 (33-82). 17 patients had type1diabetes mellitus, 23 had type 2...
April 28, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29406129/a-decision-making-tool-to-prescribe-knee-orthoses-in-daily-practice-for-patients-with-osteoarthritis
#15
Emmanuel Coudeyre, Christelle Nguyen, Aurore Chabaud, Bruno Pereira, Johann Beaudreuil, Jean-Marie Coudreuse, Philippe Deat, Frédéric Sailhan, Alain Lorenzo, François Rannou
OBJECTIVE: To develop a decision-making tool (DMT) to facilitate the prescription of knee orthoses for patients with osteoarthritis (OA) in daily practice. METHODS: A steering committee gathered a multidisciplinary task force experienced in OA management/clinical research. Two members performed a literature review with qualitative analysis of the highest-quality randomized controlled trials and practice guidelines to confirm evidence concerning knee orthosis for OA...
February 2, 2018: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29401403/patellar-tendon-repair-augmentation-with-a-knotless-suture-anchor-internal-brace-a-biomechanical-cadaveric-study
#16
Alex Rothfeld, Amanda Pawlak, Stephenie A H Liebler, Michael Morris, James M Paci
BACKGROUND: Patellar tendon repair with braided polyethylene suture alone is subject to knot slippage and failure. Several techniques to augment the primary repair have been described. Purpose/Hypothesis: The purpose was to evaluate a novel patellar tendon repair technique augmented with a knotless suture anchor internal brace with suture tape (SAIB). The hypothesis was that this technique would be biomechanically superior to a nonaugmented repair and equivalent to a standard augmentation with an 18-gauge steel wire...
April 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29364749/effect-of-mobilization-with-movement-on-lateral-knee-pain-due-to-proximal-tibiofibular-joint-hypomobility
#17
Sudarshan Anandkumar, Jack Miller, Robert J Werstine, Steve Young
This case report describes a 45-year-old female who presented with lateral knee pain over the right proximal tibiofibular joint (PTFJ) managed unsuccessfully with rest, medications, bracing, injection, and physiotherapy. Clinical diagnosis of PTFJ hypomobility was based on concordant symptom reproduction with palpatory tenderness, accessory motion testing, and restricted anterior glide of the fibula. Intervention consisted of Mulligan's mobilization with movement and taping over the right PTFJ with immediate improvements noticed in pain, range of motion, and function...
January 24, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29364034/medial-unloader-braces-and-lateral-heel-wedges-do-not-alter-gait-biomechanics-in-healthy-young-adults
#18
Jonathan S Goodwin, Robert A Creighton, Brian G Pietrosimone, Jeffery T Spang, J Troy Blackburn
CONTEXT: Orthotic devices such as medial unloader knee braces and lateral heel wedges may limit cartilage loading following trauma or surgical repair. However, little is known regarding their effects on gait biomechanics in young, healthy individuals who are at risk of cartilage injury during physical activity due to greater athletic exposure compared to older adults. OBJECTIVE: Determine the effect of medial unloader braces and lateral heel wedges on lower extremity kinematics and kinetics in healthy, young adults...
January 24, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29330103/osteoarthritis-year-in-review-2017-rehabilitation-and-outcomes
#19
REVIEW
D Schiphof, J J van den Driest, J Runhaar
OBJECTIVE: The purpose of this systematic review was to describe studies examining rehabilitation for people with osteoarthritis (OA) and to summarize findings from selected key systematic reviews (SRs) and randomized controlled trials (RCTs). DESIGN: A systematic search was performed using Pubmed, Embase and Cochrane databases from April 1st 2016 to May 15th 2017 using the terms 'osteoarthritis', 'randomized controlled trial', and 'systematic review'. Inclusion criteria were: clinically or radiologically diagnosed patients with OA, rehabilitation treatment, RCT or SRs...
March 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29320560/measurements-agreement-between-low-cost-and-high-level-handheld-3d-scanners-to-scan-the-knee-for-designing-a-3d-printed-knee-brace
#20
Yoann Dessery, Jari Pallari
Use of additive manufacturing is growing rapidly in the orthotics field. This technology allows orthotics to be designed directly on digital scans of limbs. However, little information is available about scanners and 3D scans. The aim of this study is to look at the agreement between manual measurements, high-level and low-cost handheld 3D scanners. We took two manual measurements and three 3D scans with each scanner from 14 lower limbs. The lower limbs were divided into 17 sections of 30mm each from 180mm above the mid-patella to 300mm below...
2018: PloS One
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