1,630 results match your criteria Patellofemoral Syndrome

Pulsed electromagnetic field (PEMF) as an adjunct therapy for pain management in interstitial cystitis/bladder pain syndrome.

Int Urogynecol J 2021 Jun 8. Epub 2021 Jun 8.

Wake Forest Institute for Regenerative Medicine, Wake Forest Baptist Medical Center, 391 Technology Way, Winston Salem, NC, 27101, USA.

Introduction And Hypothesis: Patients with interstitial cystitis/bladder pain syndrome (IC/BPS) often experience chronic pelvic and even systemic pain that can be difficult to clinically manage. Pulsed electromagnetic field (PEMF) therapy, a non-invasive strategy that has shown significant efficacy for pain reduction in other chronic pain conditions, may provide benefit for pain management in patients with IC/BPS.

Methods: PEMF delivery to patients occurs via a bio-electromagnetic-energy device which consists of a flexible mat (180 × 50 cm) that the patient lies on for systemic, full-body delivery and/or a flexible pad (50 × 15 cm) for targeted delivery to a specific body region (e. Read More

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Cross-cultural translation and validation of the Spanish version of the patellofemoral pain and osteoarthritis subscale of the KOOS (KOOS-PF).

BMC Res Notes 2021 Jun 2;14(1):220. Epub 2021 Jun 2.

Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cra 98 # 18 - 49, 760032, Cali, Colombia.

Objective: The aim of this study was to translate to Spanish the patellofemoral pain and osteoarthritis subscale of the knee injury and osteoarthritis outcome score (KOOS-PF) and validate this Spanish version of a disease-specific patient-reported outcome measure (PROM) for patellofemoral pain.

Results: The KOOS-PF was translated to Spanish and sixty patients with patellofemoral pain and/or osteoarthritis accepted to complete the questionnaire. 1-week later 58 patients answered the questions again for the test-retest reliability validation and finally 55 patients completed 1-month later for the responsiveness assessment. Read More

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Running-related Injuries in Middle School Cross Country Runners: Prevalence and characteristics of common injuries.

PM R 2021 May 30. Epub 2021 May 30.

Spaulding Rehabilitation Hospital, Charlestown MA; Harvard Medical School, Boston, MA, USA.

Introduction: Understanding the prevalence and factors associated with running-related injuries in middle school runners may guide injury prevention.

Objective: To determine the prevalence of running-related injuries and describe factors related to a history of injury.

Design: Retrospective cross-sectional study. Read More

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The role of viscosupplementation in patellar chondropathy.

Ther Adv Musculoskelet Dis 2021 13;13:1759720X211015005. Epub 2021 May 13.

Knee Surgery Division, Instituto de Ortopedia e Traumatologia, Hospital das clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil.

Patellar chondropathy has a high incidence in the general population, being more common in patients younger than 50 years, female and recreational athletes, and overweight and obese patients. The most common complaints are pain, limited mobility, crepitus, difficulty climbing and descending stairs, and joint instability, usually showing unsatisfactory results with anti-inflammatory, physiotherapy, rehabilitation, and many other conservative treatment methods. The presumed hyaluronic acid (HA) disease-modifying activity may include effects on cartilage degradation, endogenous HA synthesis, synoviocyte and chondrocyte function, and other cellular inflammatory processes. Read More

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Effects of proprioceptive exercises and strengthening on pain and functionality for patellofemoral pain syndrome in women: A randomized controlled trial.

J Clin Orthop Trauma 2021 Jul 19;18:94-99. Epub 2021 Apr 19.

Instituto de Pesquisa e Ensino do Hospital Ortopédico e Medicina Especializada (IPE - H O M E), Brasília, Distrito Federal, Brazil.

Objective: The objective of this study was to verify the effects of resisted and proprioceptive exercises program for the treatment of patients diagnosed with patellofemoral pain syndrome (PFPS).

Design Method: Randomized Controlled Trial - level of evidence, II.

Methods: Sixty female patients, clinically diagnosed with PFPS, were allocated into two experimental groups. Read More

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Effect of photobiomodulation in the patellofemoral pain syndrome; randomized clinical trial in young women.

J Bodyw Mov Ther 2021 Apr 12;26:263-267. Epub 2021 Jan 12.

Unioeste, Brazil. Electronic address:

Objective: patellofemoral pain syndrome (PFPS) is one of the most frequent musculoskeletal disorders in the knee joint, affecting mainly physically active adolescents and young adults; its main symptom is pain. Physiotherapy has several therapeutic modalities aimed at pain relief, among which are photobiomodulation (PBM). The aim of the study was to analyze the effects of using PBM in cluster form (Laser + LED) in patients with PFPS. Read More

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Effectiveness of local exercise therapy versus spinal manual therapy in patients with patellofemoral pain syndrome: medium term follow-up results of a randomized controlled trial.

BMC Musculoskelet Disord 2021 May 15;22(1):446. Epub 2021 May 15.

Bergman Clinics BV, Rijksweg 69, Naarden, GE, 1411, The Netherlands.

Background: Increasing evidence has shown benefits of spinal manipulations in patients with patellofemoral pain syndrome (PFPS). There is scarcity regarding medium term effects of spinal manual therapy on outcome measures in PFPS patients. Therefore, the aim of the present study was to compare the effectiveness of local exercise therapy and spinal manual therapy for knee pain, function and maximum voluntary peak force (MVPF) velocity of the quadriceps in PFPS patients. Read More

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Factors Associated With Lower Limb Injuries in Recreational Runners: A Cross-Sectional Survey Including Mental Aspects and Sleep Quality.

J Sports Sci Med 2021 Jun 5;20(2):204-215. Epub 2021 Mar 5.

University of Groningen, University Medical Center Groningen, Center for Human Movement Science, The Netherlands.

Knowledge about prevalence and etiology of running-related injuries (RRIs) is important to design effective RRI prevention programs. Mental aspects and sleep quality seem to be important potential risk factors, yet their association with RRIs needs to be elucidated. The aims of this study are to investigate the epidemiology of RRIs in recreational runners and the association of mental aspects, sleep, and other potential factors with RRIs. Read More

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Auxiliary Diagnostic Method for Patellofemoral Pain Syndrome Based on One-Dimensional Convolutional Neural Network.

Front Public Health 2021 16;9:615597. Epub 2021 Apr 16.

College of Physics and Information Engineering, Fuzhou University, Fuzhou, China.

Early accurate diagnosis of patellofemoral pain syndrome (PFPS) is important to prevent the further development of the disease. However, traditional diagnostic methods for PFPS mostly rely on the subjective experience of doctors and subjective feelings of the patient, which do not have an accurate-unified standard, and the clinical accuracy is not high. With the development of artificial intelligence technology, artificial neural networks are increasingly applied in medical treatment to assist doctors in diagnosis, but selecting a suitable neural network model must be considered. Read More

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Relationship between Knee Symptoms and Biological Features in Recreational Runners.

Rev Bras Ortop (Sao Paulo) 2021 Apr 29;56(2):168-174. Epub 2020 Oct 29.

Departamento de Fisioterapia, Faculdade de Americana, Americana, SP, Brasil.

 The main objective of the present study was to compare the subjective perception of pain and symptoms of anterior knee pain with the different body mass index (BMI) classifications. The secondary objective was to verify the association between biological and anthropometric variables with the results of subjective questionnaires.  A total of 126 recreational runners from both genders, aged between 20 and 59 years old, were recruited. Read More

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Treatment of Patellofemoral Pain Syndrome with Dielectric Radiofrequency Diathermy: A Preliminary Single-Group Study with Six-Month Follow-Up.

Medicina (Kaunas) 2021 Apr 28;57(5). Epub 2021 Apr 28.

Department of Medical-Surgical Therapy, Medicine Faculty, University of Extremadura, 06071 Badajoz, Spain.

: Notwithstanding patellofemoral pain syndrome (PFPS) being one of the most common causes of pain in the front of the knee in outpatients, few studies have shown the effects of radiofrequency on knee pain and function in this population. The aim of the present study was to determine whether outpatients diagnosed with PFPS obtained improvement in pain and function after treatment by dynamic application of monopolar dielectric diathermy by emission of radiofrequency (MDR). : An experimental study was conducted with 27 subjects with PFPS. Read More

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Efficacy of Electromyographic-Biofeedback Supplementation Training with Patellar Taping on Quadriceps Strengthening in Patellofemoral Pain Syndrome among Young Adult Male Athletes.

Int J Environ Res Public Health 2021 04 23;18(9). Epub 2021 Apr 23.

Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.

This study compares the effects of electromyographic-biofeedback (EMG-BF)-guided isometric quadriceps strengthening with patellar taping and isometric exercise alone in patellofemoral pain syndrome (PFPS) among young adult male athletes. Sixty young adult male athletes with PFPS participated in the study. Participants were randomly divided into two groups: (1) EMG-BF-guided isometric exercise training with patellar taping (experimental group, = 30), and (2) sham EMG-BF training with an isometric exercise program (control group, = 30). Read More

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Efficacy of Non-Invasive Radiofrequency-Based Diathermy in the Postoperative Phase of Knee Arthroplasty: A Double-Blind Randomized Clinical Trial.

J Clin Med 2021 Apr 10;10(8). Epub 2021 Apr 10.

Department of Health Sciences, University of Jaén, 23071 Jaén, Spain.

Total knee replacement (TKR) surgery ameliorates knee function and the quality of life of patients, although 20% still experience dissatisfaction due to pain limiting their function. Radiofrequency Diathermy (MDR) has shown improvements in knee osteoarthritis and patellofemoral pain syndrome. As such, this study aims to assess the effects of MDR in the postoperative treatment of TKR patients. Read More

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Deep Venous Thrombosis With Symptomatic Bilateral Pulmonary Embolism After Using an Infrapatellar Strap for Patellofemoral Pain in an Athletic Cardiothoracic Surgeon.

Clin J Sport Med 2020 Sep 22. Epub 2020 Sep 22.

Departments of *Cardiothoracic Surgery;and †Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, the Netherlands.

Knee braces and patellar straps are frequently prescribed devices for treatment of patellofemoral pain syndrome. In this report, we describe the occurrence of localized deep venous thrombosis (DVT) after use of an infrapatellar strap. Until now, external mechanical compression has not been recognized as a cause of DVT. Read More

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September 2020

The relationship between quadriceps fat pad syndrome and patellofemoral morphology: a case-control study.

J Orthop Traumatol 2021 Apr 28;22(1):17. Epub 2021 Apr 28.

Department of Orthopedics and Traumatology, Antalya Training and Research Hospital, Kazım Karabekir Cd., Soguksu, 70100, Muratpaşa, Turkey.

Background: The purpose of this prospective case-control study is to investigate the relationship between quadriceps fat pad syndrome (QFPS) and patellofemoral morphology.

Materials And Methods: Twenty-two patients with QFPS and 22 age- and gender-matched healthy volunteers were included. The diagnosis of QFPS was supported both clinically and radiologically. Read More

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Combined Hip Abductor and External Rotator Strengthening and Hip Internal Rotator Stretching Improves Pain and Function in Patients With Patellofemoral Pain Syndrome: A Randomized Controlled Trial With Crossover Design.

Orthop J Sports Med 2021 Apr 14;9(4):2325967121989729. Epub 2021 Apr 14.

Department of Physical Medicine and Rehabilitation, Faculty of Medicine, University of Monastir, Monastir, Tunisia.

Background: Active rehabilitation has an important role in the management of patellofemoral pain syndrome (PFPS). Although some studies have shown the benefit of hip-muscle strengthening, the effect of combining hip-muscle stretching with strengthening has not yet been defined.

Purpose: To evaluate the effect of combined strengthening of the hip external rotators and abductors and stretching of the hip internal rotators on pain and function in patients with PFPS. Read More

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Extensor mechanism tendinopathy in patients with lateral patellar maltracking.

Skeletal Radiol 2021 Apr 20. Epub 2021 Apr 20.

Musculoskeletal Imaging, Department of Radiology, Thomas Jefferson University Hospital, 1087 Main Building, 132 S. 10th Street, Philadelphia, PA, 19107, USA.

Objective: Patellar maltracking is an important subset of patellofemoral pain syndrome. We hypothesize that maltracking patients have an increased incidence of extensor mechanism dysfunction due to repetitive attempts at stabilization of the patella. Our purpose is to delineate imaging features to identify maltracking patients at risk for extensor mechanism tendinopathy. Read More

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A systematic review of running-related musculoskeletal injuries in runners.

J Sport Health Sci 2021 Apr 20. Epub 2021 Apr 20.

National Centre for Sport and Exercise Medicine, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, LE11 3TU, UK. Electronic address:

Objective: Running-related musculoskeletal injuries (RRMIs), especially stemming from overuse, frequently occur in runners. This study aimed to systematically review the literature and determine the incidence and prevalence proportion of RRMIs by anatomic location and specific pathology.

Methods: An electronic database search with no date beginning restrictions was performed in SPORTDiscus, PubMed, and MEDLINE up to June 2020. Read More

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The quality of life of patients with patellofemoral pain - a systematic review.

Acta Orthop Belg 2020 Dec;86(4):678-687

The purpose of this study is to perform a systematic review of literature to assess the quality of life of patients with patellofemoral pain syndrome A systematic review was performed in Pubmed ; Cochrane ; Embase ; Web of science and were searched until January 2018. There was no limit regarding the year of publication. The review was limited to English, Dutch and German articles. Read More

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December 2020

Effect of a Psychologically Informed Intervention to Treat Adolescents With Patellofemoral Pain: A Randomized Controlled Trial.

Arch Phys Med Rehabil 2021 Apr 7. Epub 2021 Apr 7.

Department of Pediatric Psychology and Neuropsychology, Nationwide Children's Hospital, Columbus, OH, United States.

Objective: To determine whether the addition of a brief psychologically informed video to traditional physical therapy influenced function (primary aim), pain, and psychological beliefs (secondary aims) among adolescents with patellofemoral pain (PFP).

Design: Double-blind randomized controlled trial.

Setting: Outpatient physical therapy clinics of a single pediatric hospital. Read More

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Sex and Mental Health Disorder Differences Among Military Service Members With Patellofemoral Syndrome.

J Am Board Fam Med 2021 Mar-Apr;34(2):328-337

From the Primary Care Musculoskeletal Research Center, Brooke Army Medical Center, JBSA Fort Sam Houston, TX (DIR, JLY); Department of Rehabilitation Medicine, Uniformed Services University of Health Sciences, Bethesda, MD (DIR); U.S. Army Research Institute of Environmental Medicine, Natick, MA (DIR, TCR): Department of Family Medicine, Madigan Army Medical Center, Tacoma, WA (RCO): Doctor of Science in Physical Therapy Program, Bellin College, Green Bay, WI (DIR, JLY).

Background: Mental health disorders are associated with persistent knee pain, but the association between these conditions has had little investigation in the military. The purpose of this study was to identify rates of mental health disorders in patients with patellofemoral pain (PFP) and determine differences by sex and whether mental health copresence influences outcomes.

Methods: Eligible patients with a new PFP diagnosis were categorized according to sex and presence of mental health disorders. Read More

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Narrative Review - Knee Pain in the Pediatric Athlete.

Curr Rev Musculoskelet Med 2021 Jun 5;14(3):239-245. Epub 2021 Apr 5.

Department of Physical Medicine and Rehabilitation, Stanford University, 500 Jefferson Avenue #823, Redwood City, CA, 94063, USA.

Purpose Of Review: This review article seeks to highlight common youth athlete knee conditions due to overuse or trauma and elucidate differences from the adult populations.

Recent Findings: Overuse conditions presented include apophysitis, osteochondritis dissecans plica syndrome, and discoid meniscus. Traumatic conditions presented include patellar instability, patellar sleeve fracture, and patellofemoral osteochondral fractures. Read More

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Isolated Arthroscopic Lateral Retinacular Release for Lateral Patellar Compression Syndrome.

Life (Basel) 2021 Mar 30;11(4). Epub 2021 Mar 30.

Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy.

Introduction: Evidence concerning the role of isolated lateral retinacular release (LRR) for lateral patellar compression syndrome (LPCS) dates back at least three decades. Appropriate indications, execution and outcomes still remain unclear and controversial. The present investigation analyzed the midterm result of isolated and arthroscopic LRR for LPCS in a cohort of patients who underwent such procedure at our institution. Read More

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Intra- and Inter-Session Reliability of Methods for Measuring Reaction Time in Participants with and without Patellofemoral Pain Syndrome.

Arch Bone Jt Surg 2021 Jan;9(1):102-109

Department of Physiotherapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.

Background: To evaluate the relative and absolute reliability of reaction time measuring methods during different conditions in participants with and without patellofemoral pain syndrome (PFPS).

Methods: 30 patients with PFPS and 30 healthy controls were recruited in the present study. The upper extremity reaction time, upper extremity error rate, involved and non-involved lower extremity braking reaction times, and involved and non-involved knee extension reaction times were measured. Read More

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January 2021

Noniatrogenic Medial Patellar Dislocations: Case Series and International Patellofemoral Study Group Experience.

Orthop J Sports Med 2021 Feb 26;9(2):2325967120985530. Epub 2021 Feb 26.

Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.

Background: Most patellar dislocations occur in a lateral direction because of a summed lateral force vector and predisposing anatomic risk factors. Medial patellar instability is rare and is a well-recognized iatrogenic complication of an overly aggressive lateral retinacular release. Noniatrogenic medial patellar dislocations are rare. Read More

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February 2021

Response to a letter to editor from Hohenschurz-Schmidt et al.

J Osteopath Med 2021 03 1;121(4):447-448. Epub 2021 Mar 1.

Centre Pour l'Etude, la Recherche et la Diffusion Osteopathiques, Rome, Italy.

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Performing and interpreting randomized clinical trials.

J Osteopath Med 2021 03 3;121(4):443-445. Epub 2021 Mar 3.

Research Centre, University College of Osteopathy, London, UK.

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Anteromedial versus posterolateral hip musculature strengthening with dose-controlled in women with patellofemoral pain: A randomized controlled trial.

Phys Ther Sport 2021 May 2;49:149-156. Epub 2021 Mar 2.

Knee and Sports Research Group, Physical Therapy Department, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil; Master Program in Physical Therapy and Functioning, Physical Therapy Department, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil.

Objective: To compare the effectiveness of adding anteromedial versus posterolateral hip musculature strengthening to knee strengthening in women with patellofemoral pain (PFP).

Design: Randomized controlled trial.

Setting: University physiotherapy clinic. Read More

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Patellofemoral Chondropathy Areas in Folk Dancers: An MRI Study.

Med Probl Perform Art 2021 Mar;36(1):34-38

Demiroglu Bilim University, Faculty of Medicine, Dep. of Orthopedics and Traumatology, Abide i Hurriyet Cad No 164 Şişli, 34381 Istanbul, Turkey. Tel 0090 212 224 49 50 -4172, fax 0090 212 224 03 56.

Background: Patellofemoral chondropathy (PFC) is one of the most important causes of patellofemoral pain syndrome. PFC may occur as a result of anatomic reasons such as patellar malalignment and/or increased patellofemoral joint stresses. Most research on this subject has involved sports injuries and anatomic variations. Read More

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Diagnosis of Patellofemoral Pain Syndrome Based on a Multi-Input Convolutional Neural Network With Data Augmentation.

Front Public Health 2021 11;9:643191. Epub 2021 Feb 11.

College of Physics and Information Engineering, Fuzhou University, Fuzhou, China.

Patellofemoral pain syndrome (PFPS) is a common disease of the knee. Despite its high incidence rate, its specific cause remains unclear. The artificial neural network model can be used for computer-aided diagnosis. Read More

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