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patellofemoral pain

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https://www.readbyqxmd.com/read/28818956/infographic-treating-runners-with-patellofemoral-pain-appropriate-education-is-key
#1
EDITORIAL
Jean-Francois Esculier, Laurent Julien Bouyer, Blaise Dubois, Pierre Fremont, Lynne Moore, Bradford McFadyen, Jean-Sébastien Roy
No abstract text is available yet for this article.
August 17, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28801826/brain-activity-changes-in-somatosensory-and-emotion-related-areas-with-medial-patellofemoral-ligament-deficiency
#2
Masaru Kadowaki, Taku Tadenuma, Nobuyuki Kumahashi, Yuji Uchio
BACKGROUND: Patellar instability with medial patellofemoral ligament (MPFL) deficiency is a common sports injury among young people. Although nonoperative and surgical treatment can provide stability of the patella, patients often have anxiety related to the knee. We speculate that neural dysfunction may be related to anxiety in these patients; however, the mechanism in the brain that generates this anxiety remains unknown. QUESTIONS/PURPOSES: (1) How does brain activity in patients with MPFL deficiency change in the areas related to somatic sensation against lateral shift of the patella? (2) How does patella instability, which can lead to continuous fear or apprehension for dislocation, influence brain activity in the areas related to emotion? METHODS: Nineteen patients with MPFL deficiency underwent surgical reconstruction in our hospital from April 2012 to March 2014...
August 11, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28797238/with-a-biomechanical-treatment-in-knee-osteoarthritis-less-knee-pain-did-not-correlate-with-synovitis-reduction
#3
Vikram Swaminathan, Matthew J Parkes, Michael J Callaghan, Terence W O'Neill, Richard Hodgson, Andrew D Gait, David T Felson
BACKGROUND: Braces are used to treat pain in patellofemoral joint osteoarthritis (PFJOA). In a trial, we previously reported pain improvement after 6-weeks brace use. The pain reduction did not correlate with changes in Magnetic Resonance Imaging (MRI) assessed Bone Marrow Lesion volume or static synovial volume. Studies show that changes in the synovium on dynamic contrast enhanced (DCE) MRI are more closely associated with symptom change than static synovial volume changes. We hypothesised change in synovitis assessed using dynamic imaging could explain the reduction in pain...
August 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28795010/evaluation-and-management-of-knee-pain-in-young-athletes-overuse-injuries-of-the-knee
#4
REVIEW
Dilip R Patel, Ana Villalobos
Recurrent or chronic activity related knee pain is common in young athletes. Numerous intrinsic conditions affecting the knee can cause such pain. In addition, knee pain can be referred pain from low back, hip or pelvic pathology. The most common cause of knee pain in young athletes is patellofemoral pain syndrome, or more appropriately termed idiopathic anterior knee pain. Although, numerous anatomical and biomechanical factors have been postulated to contribute the knee pain in young athletes, the most common underlying reason is overuse injury...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28793978/patellofemoral-arthroplasty-conversion-to-total-knee-arthroplasty-retrieval-analysis-and-clinical-correlation
#5
Alexander B Christ, Elexis Baral, Chelsea Koch, Beth E Shubin Stein, Alejandro Gonzalez Della Valle, Sabrina M Strickland
BACKGROUND: Patellofemoral arthroplasty (PFA) can be a successful, bone-sparing treatment for isolated patellofemoral arthritis. However, progression of tibio-femoral arthritis or incorrect indications may predispose patients to early conversion to total knee arthroplasty (TKA). The purpose of this study was to review the clinical cases and perform retrieval analysis of PFA conversions to TKA at our institution. METHODS: Twenty one patellofemoral arthroplasties in 18 patients that were converted to TKA were identified through our implant retrieval registry...
August 6, 2017: Knee
https://www.readbyqxmd.com/read/28791612/acl-rehabilitation-progression-where-are-we-now
#6
REVIEW
John T Cavanaugh, Matthew Powers
PURPOSE OF REVIEW: With the increase of publications available to the rehabilitation specialist, there is a need to identify a progression to safely progress the patient through their post-operative ACL reconstruction rehabilitation program. Rehabilitation after ACL reconstruction should follow an evidence-based functional progression with graded increase in difficulty in activities. RECENT FINDINGS: Clinicians should be discouraged not to use strict time frames and protocols when treating patients following ACL reconstruction...
August 8, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28780340/physical-activity-levels-in-individuals-with-and-without-patellofemoral-pain
#7
Neal R Glaviano, Andrea Baellow, Susan Saliba
OBJECTIVES: Patellofemoral pain (PFP) is a chronic condition that results in long-term subjective and objective impairments. PFP has been identified to result in modification in activity levels, however it is unknown the extent of activity levels in individuals with and without PFP. DESIGN: Case-control study. PARTICIPANTS: 20 individuals with PFP and 20 healthy individuals. MAIN OUTCOME MEASURES: Physical activity was assessed by steps per day, minutes of mild, moderate, and high activity over 14 consecutive days...
July 18, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28777956/frontal-plane-kinematics-predict-three-dimensional-hip-adduction-during-running
#8
Mark W Creaby, Scott Le Rossignol, Zachary J Conway, Eva Ageberg, Matthew Sweeney, Melinda M Franettovich Smith
OBJECTIVES: To investigate if frontal plane kinematics are predictive of three dimensional (3D) hip adduction and hip internal rotation during running. STUDY DESIGN: Cross-sectional. SETTING: Biomechanics laboratory. PARTICIPANTS: Thirty healthy male runners aged 18-45 years. MAIN OUTCOME MEASURES: Two dimensional (2D) angles in the frontal plane (peak pelvic obliquity, peak hip adduction, peak femoral valgus, peak knee valgus and peak tibial valgus) and 3D hip adduction and hip internal rotation during stance phase of running were obtained...
June 15, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28755815/normalized-patellofemoral-joint-reaction-force-is-greater-in-individuals-with-patellofemoral-pain
#9
Lucas T Thomeer, Frances T Sheehan, Jennifer N Jackson
Patellofemoral pain is a disabling, highly prevalent pathology. Altered patellofemoral contact forces are theorized to contribute to this pain. Musculoskeletal modeling has been employed to better understand the etiology of patellofemoral pain. Currently, there are no data on the effective quadriceps moment arm for individuals with patellofemoral pain, forcing researchers to apply normative values when modeling such individuals. In addition, the ratio of patellofemoral reaction force to quadriceps force is often used as a surrogate for patellofemoral joint contact force, ignoring the fact that the quadriceps efficiency can vary with pathology and intervention...
July 26, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28750964/comparison-of-ischemic-compression-and-lumbopelvic-manipulation-as-trigger-point-therapy-for-patellofemoral-pain-syndrome-in-young-adults-a-double-blind-randomized-clinical-trial
#10
Shabnam Behrangrad, Fahimeh Kamali
OBJECTIVE: To compare the effectiveness of ischemic compression (IC) directly to the vastus medialis obliquus (VMO) versus lumbopelvic manipulation (LPM) in improving pain, functional status and sensitivity to mechanical stimulation of the VMO trigger point in patients with patellofemoral pain syndrome (PFPS). PARTICIPANTS: 40 patients with unilateral PFPS aged 20-30 years were selected randomly among patients with unilateral PFPS referred to physical therapy clinics of Shiraz University of Medical Sciences in Shiraz, Iran, between March 2014 and July 2014...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28750548/a-feasibility-study-of-a-novel-task-specific-movement-training-intervention-for-women-with-patellofemoral-pain
#11
Gretchen B Salsich, Barbara Yemm, Karen Steger-May, Catherine E Lang, Linda R Van Dillen
OBJECTIVE: To investigate whether a novel, task-specific training intervention that focused on correcting pain-producing movement patterns was feasible and whether it would improve hip and knee kinematics, pain, and function in women with patellofemoral pain. DESIGN: Prospective, non-randomized, within-group, double baseline, feasibility intervention study. SUBJECTS: A total of 25 women with patellofemoral pain were enrolled. INTERVENTION: The intervention, delivered 2×/week for six weeks, consisted of supervised, high-repetition practice of daily weight-bearing and recreational activities...
July 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28749699/patellofemoral-joint-loads-during-running-at-the-time-of-return-to-sport-in-elite-athletes-with-acl-reconstruction
#12
Lee Herrington, Saud Alarifi, Richard Jones
BACKGROUND: Patellofemoral joint pain and degeneration are common in patients who undergo anterior cruciate ligament reconstruction (ACLR). The presence of patellofemoral joint pain significantly affects the patient's ability to continue sport participation and may even affect participation in activities of daily living. The mechanisms behind patellofemoral joint pain and degeneration are unclear, but previous research has identified altered patellofemoral joint loading in individuals with patellofemoral joint pain when running...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28748107/study-protocol-a-mixed-methods-feasibility-study-for-a-loaded-self-managed-exercise-programme-for-patellofemoral-pain
#13
Benjamin E Smith, Paul Hendrick, Marcus Bateman, Fiona Moffatt, Michael Skovdal Rathleff, James Selfe, Toby O Smith, Pip Logan
BACKGROUND: Patellofemoral pain (PFP) is one of the most common forms of knee pain in adults under the age of 40, with a prevalence of 23% in the general population. The long-term prognosis is poor, with only one third of people pain-free 1 year after diagnosis. The biomedical model of pain in relation to persistent PFP has recently been called into question. It has been suggested that interventions for chronic musculoskeletal conditions should consider alternative mechanisms of action, beyond muscles and joints...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28735802/correction-of-patellofemoral-malalignment-with-patellofemoral-arthroplasty
#14
Marco Valoroso, Mo Saffarini, Giuseppe La Barbera, Cécile Toanen, Gerjon Hannink, Luca Nover, David H Dejour
BACKGROUND: The goal of patellofemoral arthroplasty (PFA) is to replace damaged cartilage and correct underlying deformities to reduce pain and prevent maltracking. We aimed to determine how PFA modifies patellar height, tilt, and tibial tuberosity-trochlear groove (TT-TG) distance. The hypothesis was that PFA would correct trochlear dysplasia or extensor mechanism malalignment. METHODS: The authors prospectively studied a series of 16 patients (13 women and 3 men) aged 64...
July 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28714838/lower-extremity-muscle-activity-kinematics-and-dynamic-postural-control-in-individuals-with-patellofemoral-pain
#15
Shiho Goto, Naoko Aminaka, Phillip A Gribble
CONTEXT: Altered lower extremity muscle activity has been suggested to be associated with lower extremity kinematics in individuals with patellofemoral pain (PFP). However, few studies examined these relationships and the results are inconsistent. OBJECTIVES: To compare the lower extremity muscle activity, kinematics, pain level, and reach distance during the anterior reach of the Star Excursion Balance Test (SEBT) between participants with PFP and healthy individuals (CON)...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28712512/higher-pain-level-and-lower-functional-capacity-are-associated-with-the-number-of-altered-kinematics-in-women-with-patellofemoral-pain
#16
Deisi Ferrari, Ronaldo Valdir Briani, Danilo de Oliveira Silva, Marcella Ferraz Pazzinatto, Amanda Schenatto Ferreira, Neri Alves, Fábio Mícolis de Azevedo
This study investigated whether women with patellofemoral pain (PFP) present kinematic alterations in proximal, local, and distal factors simultaneously, and determined the association between the number of kinematic alterations, pain level, and functional status. A three-dimensional motion analysis system was used to analyze the peak hip adduction, peak knee flexion, and peak rearfoot eversion, addressing the proximal, local, and distal factors, respectively, in fifty women. Functional status and pain level were assessed using the anterior knee pain scale (AKPS) and a visual analogic scale...
July 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28707311/dynamic-contrast-enhanced-mri-of-the-patellar-bone-how-to-quantify-perfusion
#17
Dirk H J Poot, Rianne A van der Heijden, Marienke van Middelkoop, Edwin H G Oei, Stefan Klein
PURPOSE: To identify the optimal combination of pharmacokinetic model and arterial input function (AIF) for quantitative analysis of blood perfusion in the patellar bone using dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). MATERIALS AND METHODS: This method design study used a random subset of five control subjects from an Institutional Review Board (IRB)-approved case-control study into patellofemoral pain, scanned on a 3T MR system with a contrast-enhanced time-resolved imaging of contrast kinetics (TRICKS) sequence...
July 14, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28697399/patellar-bracing-affects-semg-activity-of-leg-and-thigh-muscles-during-stance-phase-in-patellofemoral-pain-syndrome
#18
Fatemeh Salarie Sker, Mehrdad Anbarian, Amir H Yazdani, Pouria Hesari, Arash Babaei-Ghazani
BACKGROUND: Decreases in patellofemoral pain symptoms with bracing treatment have been established; but, the mechanisms remain unclear. The purpose of this study was to determine the immediate and long-term effects of the patellar bracing on electromyography (EMG) activity of the Vastus Medialis (VM) and Lateralis (VL), Rectus Femoris, lateral Gastrocnemius, Biceps Femoris and Semitendinosus (ST) muscles during level walking. METHODS: 12 eligible women aged 20-30 years with diagnosis of patellofemoral pain participated in the before and after study...
June 29, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28666810/video-based-assessment-of-foot-strike-pattern-and-step-rate-is-valid-and-reliable-in-runners-with-patellofemoral-pain
#19
Jean-Francois Esculier, Thomas Silvini, Laurent J Bouyer, Jean-Sébastien Roy
OBJECTIVES: To evaluate, during treadmill running in runners with patellofemoral pain (PFP), the concurrent validity of determining foot strike pattern using 2D video and the intra- and inter-rater reliability of foot strike pattern and step rate assessments between a novice and experienced observer. DESIGN: Methodological study (validity/reliability). SETTING: Motion analysis laboratory. PARTICIPANTS: Sixty runners with PFP (37 females, 23 males; age = 30...
November 23, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28662692/comparison-of-fixed-and-mobile-bearing-total-knee-arthroplasty-in-terms-of-patellofemoral-pain-and-function-a-prospective-randomised-controlled-trial
#20
P Z Feczko, L M Jutten, M J van Steyn, P Deckers, P J Emans, J J Arts
BACKGROUND: Despite growing evidence in the literature, there is still a lack of consensus regarding the use of the mobile-bearing (MB) design total knee arthroplasty (TKA). METHODS: In a prospective, comparative, randomised, single centre trial, 106 patients with end-stage osteoarthritis of the knee were randomised to either an MB or fixed-bearing (FB) group to receive posterior stabilised (PS)-TKA using a standard medial parapatellar approach and patellar resurfacing with follow-up (FU) for 5 years...
June 29, 2017: BMC Musculoskeletal Disorders
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