Moin Khan

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Appendix_1 – Supplemental material for Cannabis Use and Sport: A Systematic Review

Supplemental material, Appendix_1 for Cannabis Use and Sport: A Systematic Review by Shgufta Doct... more

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Challenges to the orthopedic resident workforce during the first wave of COVID-19 pandemic: Lessons learnt from a global cross-sectional survey

Journal of Orthopaedics, 2021

Background: The COVID-19 pandemic has caused unprecedented concerns on the safety, well-being, qu... more Background: The COVID-19 pandemic has caused unprecedented concerns on the safety, well-being, quality of life (QOL), and training of the orthopedic resident physician workforce worldwide. Although orthopedic residency programs across the globe have attempted to redefine resident roles, educational priorities, and teaching methods, the global orthopedic residents' perspective with regards to their safety, well-being, QOL, and training, taking into account regional variances remains unknown. Methods: A 56-item-questionnaire-based cross-sectional survey was conducted online during the COVID-19 pandemic involving 1193 orthopedic residents from 29 countries across six geographical regions to investigate the impact of the COVID-19 pandemic on the well-being, safety, and training of orthopedic residents at a global level, as well as to analyze the challenges confronted by orthopedic residency programs around the world to safeguard and train their resident workforce during this period. Results: The total response rate was 90.3%(1077/1193). Time spent on residency-training activities decreased by 24.7 h/week (95% CI, − 26.5 to − 22.9,p < 0.001), with 50.2% (n = 541) residents performing duties outside their residency curriculum. 80.5% (n = 869) residents had no prior experience working in infectious outbreaks. A greater percentage of residents from Middle East, Asia and Europe were redeployed to the COVID-19 frontlines, p < 0.001. Only 46.5% (n = 491) and 58.4% (n = 600) of residents underwent training in critical care or PPE (Personal Protective equipment) usage, respectively; 28.5% (n = 302) residents (majority from Africa, Middle East, South America) reported lack of institutional guidelines to handle infectious outbreaks; 15.4% (n = 160) residents (majority from Africa, Asia, Europe) had concerns regarding availability of PPE and risk of infection. An increase in technology-based virtual teaching modalities was observed. The most significant stressor for residents was the concern for their family's health. Residents' QOL significantly decreased from 80/100 (IQR 70-90) to 65/100 (IQR 50-80) before and during the pandemic, p < 0.001.

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Return to Play After Symptomatic Lumbar Disc Herniation in Elite Athletes: A Systematic Review and Meta-analysis of Operative Versus Nonoperative Treatment

Sports Health: A Multidisciplinary Approach, 2021

Context: The prevalence of symptomatic lumbar disc herniation (LDH) in athletes can be as high as... more Context: The prevalence of symptomatic lumbar disc herniation (LDH) in athletes can be as high as 75%. For elite athletes diagnosed with LDH, return to play (RTP) is a major concern, and thus comparing surgical with nonoperative care is essential to guide practitioners and athletes, not just in terms of recovery rates but also speed of recovery. Objective: The purpose of this systematic review is to provide an update on RTP outcomes for elite athletes after lumbar discectomy versus nonoperative treatment of LDHs. Data Sources: A search of the literature was conducted using 3 online databases (MEDLINE, EMBASE, and PubMed) to identify pertinent studies. Study Selection: Yielded studies were screened according to the inclusion criteria. Study Design: Systematic review with meta-analysis. Level of Evidence: Level 4. Data Extraction: Relevant data were extracted. A meta-analysis was performed comparing RTP rate for all comparative studies. Results: Twenty studies met the inclusion criter...

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Safety and early results of Subchondroplasty® for the treatment of bone marrow lesions in osteoarthritis: a systematic review

Knee Surgery, Sports Traumatology, Arthroscopy, 2020

Subchondroplasty® is a novel minimally invasive procedure for painful subchondral bone marrow les... more Subchondroplasty® is a novel minimally invasive procedure for painful subchondral bone marrow lesions (BMLs). The aim of this systematic review was to characterize the clinical outcomes of the Subchondroplasty® procedure, a novel minimally invasive procedure for the treatment of BMLs. The hypothesis tested was that patients experience improvements in pain and functional outcomes following the Subchondroplasty® procedure. MEDLINE, Embase, Web of Science, and Clinicaltrials.gov were searched from database inception to search date (June 10, 2020) for all clinical studies which discussed Subchondroplasty®. Two reviewers independently screened 45 unique results and 17 studies were included in the final analysis. Data were collected regarding patient demographics, indications, pain, functional scores, conversion to TKA, and complications of the procedure. All but one study were level IV evidence; the mean MINORS score was 9 ± 2. There were 756 patients included, 45.1% were female, and the mean age was 54 years (range 20–85). Thirteen studies investigated the effect Subchondroplasty® to the knee, while four studied the impact on the foot and ankle. Median length of follow-up was 12 months. The most common indication for Subchondroplasty® was joint pain with corresponding BML. Major contraindications to Subchondroplasty® included severe OA, joint instability, and malalignment. Mean pain score on visual analogue scale (VAS) prior to Subchondroplasty® was 7.8 ± 0.6, but decreased to 3.4 ± 0.7 postoperatively. All studies investigating functional scores reported improvement following Subchondroplasty® (IKDC 31.7 ± 1.9–54.0 ± 4.2 and KOOS 38.1 ± 0.6–70.0 ± 4.1). There were consistently high levels of patient satisfaction; 87 ± 8% of patients would be willing to undergo the procedure again. Seven cases of complications were reported, most seriously osteomyelitis and avascular necrosis. Conversion to knee arthroplasty ranged from 12.5 to 30% with length of follow-up ranging from 10 months to 7 years. Existing low-quality studies show Subchondroplasty® to benefit patients with BMLs through reduction in pain and improvement in function, along with a high degree of satisfaction following the procedure. The low short-to-medium term conversion rate to arthroplasty suggests that Subchondroplasty® may play a role in delaying more invasive and expensive procedures in patients with BMLs. Subchondroplasty® is a novel procedure that has promising initial findings, but requires further high-quality, comparative studies with long-term follow-up to better understand the outcomes of the procedure and impact clinical practice recommendations. Systematic Review of Level III and IV Studies, Level IV.

Outcomes and Return to Sport After Pectoralis Major Tendon Repair: A Systematic Review

Sports Health: A Multidisciplinary Approach, 2018

Context: Pectoralis major tendon ruptures are becoming increasingly common due to the growing pre... more Context: Pectoralis major tendon ruptures are becoming increasingly common due to the growing prevalence of active lifestyles. Studies investigating the efficacy of pectoralis major tendon repair have limited sample sizes and offer mixed results, while existing reviews do not explore postoperative activity outcomes for patients. Objective: To summarize and synthesize the clinical outcomes and rate of return to activity after isolated pectoralis major tendon repair. Data Sources: Four databases (MEDLINE, EMBASE, PubMed, and CINAHL) were searched from database inception through March 7, 2018. Study Selection: Studies reporting outcomes of isolated pectoralis major tendon repair for pectoralis major tendon rupture were included. Study Design: Systematic review. Level of Evidence: Level 4. Data Extraction: Data including patient demographics, intervention details, and clinical outcomes were extracted. The methodological quality of included studies was evaluated. Results: Of 2332 retriev...

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Influence of Graft Source on Postoperative Activity and Joint Laxity in Posterior Cruciate Ligament Reconstruction: A Systematic Review

Arthroscopy: The Journal of Arthroscopic & Related Surgery, 2018

To compare the clinical and functional outcomes of allograft and autograft reconstruction in pati... more To compare the clinical and functional outcomes of allograft and autograft reconstruction in patients with posterior cruciate ligament (PCL) deficiency. Methods: The MEDLINE, Embase, and Cochrane Library databases were used to identify all relevant articles. Clinical outcomes including International Knee Documentation Committee, Tegner, and Lysholm scores; joint laxity; and posterior tibial displacement were evaluated. Results: Among the 145 unique articles identified during the title screening, 25 studies published between 2002 and 2016 with a combined population of 900 patients were deemed eligible for inclusion in the review. Of the 900 patients, 603 were treated with autograft and 297 were treated with allograft PCL reconstruction. Five of the included studies directly compared autograft and allograft PCL reconstruction. Most studies found postoperative functional outcomes and joint laxity to improve postoperatively regardless of graft source. With only 1 exception, the included comparative studies found no significant postoperative difference in any of the functional outcome scores between patients treated with allograft and those treated with autograft. Two comparative studies found autograft reconstruction to result in significantly less posterior laxity than in the allograft group, whereas 2 comparative studies found no significant difference in posterior laxity between the 2 groups. Conclusions: PCL reconstruction results in improved functional outcome scores and joint laxity regardless of graft source. Current studies suggest there is no significant difference in postoperative functional outcomes between patients treated with autograft and those treated with allograft. Patients treated with autograft have donor-site morbidity that is not associated with allograft reconstruction. Some evidence suggests that autograft reconstruction may result in reduced posterior laxity relative to allograft reconstruction. The magnitude of this finding, however, may not be clinically significant. Our review found that decision making based on the current literature is at high risk of potential bias. Level of Evidence: Level IV, systematic review of Level I to IV studies.

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Knee osteoarthritis: when arthroscopy can help

Polish archives of internal medicine, Feb 28, 2018

Arthroscopic surgery of the knee is one of the most common orthopedic procedures performed global... more Arthroscopic surgery of the knee is one of the most common orthopedic procedures performed globally. Recently, a lot of attention has been directed towards the role of arthroscopic surgery in the setting of osteoarthritis (OA) and its role in degenerative knee pathology. A number of recent randomized control trials and systematic reviews have suggested limited benefit for arthroscopic surgery and partial meniscectomy for this indication. With this recent focus on the use of arthroscopy in OA, it is often forgotten that arthroscopy plays an important role in the management of other pathologies involving the knee in patients who may have a concomitant diagnosis of OA. This evidence‑based review highlights indications for when arthroscopic intervention is warranted in such patients.

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Cochrane in CORR®: Intra-articular Corticosteroid For Knee Osteoarthritis

Clinical orthopaedics and related research, 2018

In the context of the Bartnik mass, there are two fundamentally different notions of an extension... more In the context of the Bartnik mass, there are two fundamentally different notions of an extension of some compact Riemannian manifold (Ω, γ) with boundary. In one case, the extension is taken to be a manifold without boundary in which (Ω, γ) embeds isometrically, and in the other case the extension is taken to be a manifold with boundary where the boundary data is determined by ∂Ω. We give a type of convexity condition under which we can say both of these types of extensions indeed yield the same value for the Bartnik mass. Under the same hypotheses we prove that the Bartnik mass varies continuously with respect to the boundary data. This also provides a method to use estimates for the Bartnik mass of constant mean curvature (CMC) Bartnik data, to obtain estimates for the Bartnik mass of non-CMC Bartnik data. The key idea for these results is a method for gluing Bartnik extensions of given Bartnik data to other nearby Bartnik data.

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Nonoperative Treatments for Knee Osteoarthritis: An Evaluation of Treatment Characteristics and the Intra-Articular Placebo Effect: A Systematic Review

JBJS reviews, Jan 17, 2018

Guidelines recommending various nonoperative treatments for patients with knee osteoarthritis rem... more Guidelines recommending various nonoperative treatments for patients with knee osteoarthritis remain inconsistent. Much of this controversy relates to what constitutes a clinically important effect. The purposes of the present study were to compare treatment effect sizes from recent meta-analyses evaluating pharmacological or medical device interventions for the treatment of knee osteoarthritis and to further assess the clinical impact that the intra-articular placebo effect may have on intra-articular injection therapies. A search of PubMed, MEDLINE, and Embase from the inception date of each database through May 30, 2017 was conducted for all articles involving meta-analyses of pharmacological or medical device knee osteoarthritis treatments compared with controls. Two reviewers independently screened articles for eligibility and extracted data for analysis. We present effect estimates on a standardized mean difference (SMD) scale and compare them all against a threshold for clini...

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Epidemiology and Impact on Performance of Lower Extremity Stress Injuries in Professional Basketball Players

Sports health, 2017

Professional basketball players in the National Basketball Association (NBA) subject their lower ... more Professional basketball players in the National Basketball Association (NBA) subject their lower extremities to significant repetitive loading during both regular-season and off-season training. Little is known about the incidence of lower extremity bony stress injuries and their impact on return to play and performance in these athletes. Stress injuries of the lower extremity will have significant impact on performance. Case series. Level 4. All bony stress injuries from 2005 to 2015 were identified from the NBA. Number of games missed due to injury and performance statistics were collected from 2 years prior to injury to 2 years after the injury. A linear regression analysis was performed to determine the impact of injury for players who returned to sport. A total of 76 lower extremity bony stress injuries involving 75 NBA players (mean age, 25.4 ± 4.1 years) were identified. Fifty-five percent (42/76) involved the foot, and most injuries occurred during the regular season (82.9%,...

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Platform shoulder arthroplasty: a systematic review

Journal of shoulder and elbow surgery, Jan 15, 2017

Platform shoulder arthroplasty systems may allow conversion to a reverse total shoulder arthropla... more Platform shoulder arthroplasty systems may allow conversion to a reverse total shoulder arthroplasty (RTSA) without removing a well-fixed, well-positioned humeral stem. We sought to evaluate the complications associated with humeral stem exchange versus retention in patients undergoing conversion shoulder arthroplasty with a platform shoulder arthroplasty system. PubMed, MEDLINE, CINAHL (Cumulative Index to Nursing and Allied Health Literature), and Embase were searched from database inception through October 9, 2016, for all articles comparing humeral stem retention versus exchange during conversion RTSA or that pertained to conversion RTSA with stem retention alone. All studies were screened in duplicate for eligibility. A methodologic quality assessment was completed for included studies. Pooled outcomes assessing complications, operative time, blood loss, and reoperations were determined. We included 7 studies (236 shoulders), including 1 level III and 6 level IV studies. Pooled...

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The Scholarly Influence of Orthopaedic Research According to Conventional and Alternative Metrics: A Systematic Review

JBJS reviews, Jan 30, 2017

Researchers are experiencing an innovative shift toward online distribution of their work, and me... more Researchers are experiencing an innovative shift toward online distribution of their work, and metrics related to online scholarly influence are gaining importance. Our objectives were to determine which types of online activity are most prevalent in orthopaedics, to identify associated factors, and to explore a complementary approach to measuring overall scholarly influence using online activity and conventional citations. We performed a systematic review of randomized controlled trials of surgical or nonsurgical interventions in participants with, or at specific risk for, injuries and diseases of the musculoskeletal system. We collected data on online activity in social media, mainstream media, blogs, forums, and other sources from a commercial provider of alternative metric data for medical journals. We tested associations with use of negative binomial regression. We identified 1,697 trials, published between 2011 and 2014, that had a total of 12,995 conventional citations and 15...

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Return to Play After Osteochondral Autograft Transplantation of the Capitellum: A Systematic Review

Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association, Jan 13, 2017

To determine the rate of return to play and to identify lesion or osteochondral graft characteris... more To determine the rate of return to play and to identify lesion or osteochondral graft characteristics that may influence the return to competitive athletics after osteochondral autograft transplantation (OAT) for symptomatic osteochondritis dissecans (OCD) lesions. A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. A duplicate search of PubMed, Embase, Scopus, Web of Science, and CENTRAL databases was performed, beginning from the database inception dates through July 2016, for all articles evaluating the return to play after OAT for OCD lesions of the capitellum. A methodological quality assessment was completed for all included studies. Patient demographics, osteochondral lesion and graft characteristics, the number of patients, and timing of return to competitive activity were collected and evaluated. Association between graft size/number, the time to osseous healing, and return to sport was evaluated....

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Does Hip Arthroscopy Have a Role in the Treatment of Developmental Hip Dysplasia?

The Journal of Arthroplasty, 2017

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Brazilian Orthopedists' Opinions and Perceptions on Femoroacetabular Impingement

Acta Ortopédica Brasileira, 2016

Objective: To assess the opinion of Brazilian orthopedists surgeons on the diagnosis and treatmen... more Objective: To assess the opinion of Brazilian orthopedists surgeons on the diagnosis and treatment of femoroacetabular impingement (FAI). Methods: A questionnaire was sent to several orthopedic societies around the world, including the Sociedade Brasileira de Ortopedia e Traumatologia (SBOT). This questionnaire was sent electronically and included questions on many topics related to FAI. Results: 253 Brazilian orthopedists responded the questionnaire. Sixty-eight point nine percent worked in private practice and 23.1% in academic institutions. Pain during hip rotation was the most important finding in the clinical history according to 81.8% of the respondents and the anterior impingement sign was the most important finding in the physical examination according to 88.2%. Initial treatment was physiotherapy according to 86.2%. Surgical treatment was hip arthroscopy according to 38.8%, and via surgical hip dislocation for 14.7%. Conclusion: Brazilian orthopedists' opinions on FAI are similar to their international colleagues. There is considerable discrepancy in the answers provided, demonstrating a need for future investigation on FAI, in order to institute proper treatment and diagnosis protocols. Level of Evidence V. Expert Opinion.

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Anterior hip capsuloligamentous reconstruction with Achilles allograft following gross hip instability post-arthroscopy

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, Jan 4, 2016

The increasing use of hip arthroscopy has led to further development in our understanding of hip ... more The increasing use of hip arthroscopy has led to further development in our understanding of hip anatomy and potential post-operative complications. Iatrogenic gross hip instability following hip arthroscopy is a concerning complication described in recent orthopaedic literature. Post-arthroscopy hip instability is thought to be multifactorial, related to a variety of patient, surgical and post-operative factors. Given its infrequency, there is scarcity of literature describing appropriate surgical management and operative technique for addressing this instability. This study reports a case of gross hip instability following hip arthroscopy, describing a novel technique of management through anterior hip capsuloligamentous reconstruction with Achilles tendon allograft. Level of evidence V, Case Study.

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New perspectives on femoroacetabular impingement syndrome

Nature reviews. Rheumatology, May 10, 2016

Femoroacetabular impingement (FAI) is characterized by an abnormality in the shape of the femoral... more Femoroacetabular impingement (FAI) is characterized by an abnormality in the shape of the femoral head-neck or acetabulum that results in impingement between these two structures. Arthroscopic treatment has become the preferred method of management of FAI owing to its minimally invasive approach. Surgical correction involves resection of impinging osseous structures as well as concurrent management of the associated chondral and labral pathology. Research from the past 5 years has shown that repair of the labrum results in a better anatomic correction and improved outcomes compared with labral debridement. Research is underway to improve cartilage assessment by using innovative imaging techniques and biochemical tests to inform predictions of prognosis. Several ongoing randomized controlled trials, including the Femoroacetabular Impingement Trial (FAIT) and the Femoroacetabular Impingement Randomized Controlled Trial (FIRST), will provide critical information regarding the diagnosis...

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The Structure and Function of the Anterolateral Ligament of the Knee: A Systematic Review

Arthroscopy: The Journal of Arthroscopic & Related Surgery, 2015

The purpose of this systematic review was to evaluate the anatomic structure and function of the ... more The purpose of this systematic review was to evaluate the anatomic structure and function of the anterolateral ligament (ALL) of the knee. Methods: The Medline, Embase, and Cochrane databases were screened for all studies related to the ALL of the knee. Two reviewers independently reviewed all eligible articles and the references of these articles. Inclusion and exclusion criteria were applied to all searched studies. Quality assessment was completed for the included studies. Results: Nineteen studies were identified for final analysis. Pooled analysis identified the ALL in 430 of 449 knees (96%) examined. The ligament was found to originate from the region of the lateral femoral epicondyle and insert on the proximal tibia midway between the Gerdy tubercle and the fibular head. The ALL was found to be 34.1 to 41.5 mm in length, 5.1 to 8.3 mm in width above the lateral meniscus, and 8.9 to 11.2 mm in width below the lateral meniscus. By use of magnetic resonance imaging, the ALL was identified in 93% of knees examined (clinical, 64 of 70; cadaveric, 16 of 16). In one case study the ligament was clearly visualized by ultrasound examination. Histologic analysis across 3 studies showed characteristics consistent with ligamentous tissue. Though not shown in biomechanical studies, it is hypothesized that the ALL provides anterolateral stability to the knee, preventing anterolateral subluxation of the proximal tibia on the femur. One study identified a network of peripheral nerves, suggesting a proprioceptive function of the ALL. Conclusions: This systematic review shows the ALL to be a distinct structure with a consistent origin and insertion sites. The ALL is an extra-articular structure with a clear course from the lateral femoral epicondyle region, running anteroinferiorly, to the proximal tibia at a site midway between the Gerdy tubercle and the head of the fibula. The function of this ligament is theorized to provide anterolateral knee stability. Level of Evidence: Level IV, systematic review of cadaveric and imaging studies.

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Arthroscopic surgery for degenerative tears of the meniscus: a systematic review and meta-analysis

CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, Jan 7, 2014

Arthroscopic surgery for degenerative meniscal tears is a commonly performed procedure, yet the r... more Arthroscopic surgery for degenerative meniscal tears is a commonly performed procedure, yet the role of conservative treatment for these patients is unclear. This systematic review and meta-analysis evaluates the efficacy of arthroscopic meniscal débridement in patients with knee pain in the setting of mild or no concurrent osteoarthritis of the knee in comparison with nonoperative or sham treatments. We searched MEDLINE, Embase and the Cochrane databases for randomized controlled trials (RCTs) published from 1946 to Jan. 20, 2014. Two reviewers independently screened all titles and abstracts for eligibility. We assessed risk of bias for all included studies and pooled outcomes using a random-effects model. Outcomes (i.e., function and pain relief) were dichotomized to short-term (< 6 mo) and long-term (< 2 yr) data. Seven RCTs (n = 805 patients) were included in this review. The pooled treatment effect of arthroscopic surgery did not show a significant or minimally important ...

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Gait and Lower Extremity Kinematic Analysis as an Outcome Measure After Femoroacetabular Impingement Surgery

Arthroscopy: The Journal of Arthroscopic & Related Surgery, 2015

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Appendix_1 – Supplemental material for Cannabis Use and Sport: A Systematic Review

Supplemental material, Appendix_1 for Cannabis Use and Sport: A Systematic Review by Shgufta Doct... more

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Challenges to the orthopedic resident workforce during the first wave of COVID-19 pandemic: Lessons learnt from a global cross-sectional survey

Journal of Orthopaedics, 2021

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Return to Play After Symptomatic Lumbar Disc Herniation in Elite Athletes: A Systematic Review and Meta-analysis of Operative Versus Nonoperative Treatment

Sports Health: A Multidisciplinary Approach, 2021

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Safety and early results of Subchondroplasty® for the treatment of bone marrow lesions in osteoarthritis: a systematic review

Knee Surgery, Sports Traumatology, Arthroscopy, 2020

Outcomes and Return to Sport After Pectoralis Major Tendon Repair: A Systematic Review

Sports Health: A Multidisciplinary Approach, 2018

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Influence of Graft Source on Postoperative Activity and Joint Laxity in Posterior Cruciate Ligament Reconstruction: A Systematic Review

Arthroscopy: The Journal of Arthroscopic & Related Surgery, 2018

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Knee osteoarthritis: when arthroscopy can help

Polish archives of internal medicine, Feb 28, 2018

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Cochrane in CORR®: Intra-articular Corticosteroid For Knee Osteoarthritis

Clinical orthopaedics and related research, 2018

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Nonoperative Treatments for Knee Osteoarthritis: An Evaluation of Treatment Characteristics and the Intra-Articular Placebo Effect: A Systematic Review

JBJS reviews, Jan 17, 2018

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Epidemiology and Impact on Performance of Lower Extremity Stress Injuries in Professional Basketball Players

Sports health, 2017

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Platform shoulder arthroplasty: a systematic review

Journal of shoulder and elbow surgery, Jan 15, 2017

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The Scholarly Influence of Orthopaedic Research According to Conventional and Alternative Metrics: A Systematic Review

JBJS reviews, Jan 30, 2017

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Return to Play After Osteochondral Autograft Transplantation of the Capitellum: A Systematic Review

Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association, Jan 13, 2017

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Does Hip Arthroscopy Have a Role in the Treatment of Developmental Hip Dysplasia?

The Journal of Arthroplasty, 2017

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Brazilian Orthopedists' Opinions and Perceptions on Femoroacetabular Impingement

Acta Ortopédica Brasileira, 2016

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Anterior hip capsuloligamentous reconstruction with Achilles allograft following gross hip instability post-arthroscopy

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, Jan 4, 2016

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New perspectives on femoroacetabular impingement syndrome

Nature reviews. Rheumatology, May 10, 2016