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Introduction: Preoperative estimation of graft parameters can be useful while using hamstring grafts in knee ligament surgeries. Anthropometric parameters may be an easy way to predict the length and diameter of hamstring tendons. A prospective study was conducted to find the correlation between different anthropometric parameters and activity level of the patient on the length and diameter of the graft. Separate regression equations for males and females were also derived for easy prediction. Methods: Data were obtained from 95 patients who underwent arthroscopic anterior cruciate ligament reconstruction with autologous hamstring tendon graft. Variables studied were age, sex, height, weight, body mass index (BMI), thigh circumference, thigh length, Tegner activity level, diameter (double and quadruple) and length of semitendinosus tendon graft. Results: Height of the patient had strong correlation with graft length (r = 0.41, p < 0.001), double diameter (r = 0.29, p = 0.008) and quadruple diameter (r = 0.3, p = 0.006). Weight of the patients had strong positive correlation with graft length (r = 0.34, p = 0.002) and quadruple diameter (r = 0.34, p = 0.002). Thigh length was found to be positively correlating with graft length (r = 0.43, p < 0.001), double diameter (r = 0.29, p = 0.007) and quadruple diameter of graft (r = 0.34, p = 0.002). BMI and thigh circumference of the patients were not found to correlate with graft size. Male patients were found to have longer semitendinosus graft and larger double and quadruple diameter of the graft. There was no association between the Tegner activity scale and graft size. Regression equations between graft length and quadruple diameter and the anthropometric parameters are also derived. Conclusion: Height, weight and thigh length are useful anthropometric parameters in the prediction of hamstring tendon size. However, the patient’s Tegner activity level was not found to be associated with size of the hamstring tendon.

Purpose Commonly used patient-reported outcome measurement (PROM) tools for knee joint have a ceiling efect and may not be able to diferentiate between patients achieving outcomes better than the upper limit of the score. Forgotten joint score-12 (FJS-12) is said to be free of this limitation. FJS-12 has been translated and validated in diferent languages. This study aims to translate and validate .Methods Hindi FJS-12 was tested for comprehensibility in a pilot study in 20 patients. This was followed by a prospective cohort study including 140 patients of bilateral total knee arthroplasty, with a minimum follow-up of 12 months. The mean age of the patients was 62.0 ± 14.5 years. There were 77 (55.2%) males and remaining were females. All patients were asked to ill up questionnaires of Hindi FJS-12, WOMAC, KSS and OKS. Hindi FJS-12 was tested for validity, reliability, responsiveness, loor efect and ceiling efect. Construct validity was expressed as the Pearson correlation coeicient. Internal consistency was expressed as Cronbach's alpha and test-retest reliability as the intra-class correlation coeicient (ICC). ResultsIn the pilot study, it was seen that all the questions were well answered by most of the participants. The main study showed good construct validity with Hindi FJS-12 showing moderate correlation with WOMAC, KSS and OKS (Pearson coeicients 0.45, 0.32, 0.37, respectively). Hindi FJS-12 had excellent internal consistency with Cronbach's alpha of 0.93 (95% CI 0.90, 0.97). ICC was 0.95 (95% CI 0.90, 0.99). No loor or ceiling efect was observed. ConclusionHindi FJS-12 has high validity, reliability and reproducibility for knee function after TKA. It is devoid of loor or ceiling efect. Thus, it can be successfully used for studying knee function in the Indian population.Level of evidence Prospective cohort study, Level II.

Purpose Residency programs in the medical education field are considered the keystone in the development of aptitude and skills required for practice. With the worldwide current scenario of the COVID-19 pandemic, there has been a shift in the paradigm especially in the teaching of the residents from face-to-face classes to more and more online sessions. The purpose of this study is to present a compendium of knowledge-providing sites, smartphone applications (apps), YouTube channels, and podcasts that can provide better online resource management for students in the field of orthopaedics. Methods Search terms were used for making a list of various online resources which can be of help during orthopaedic residency. An initial list of the selected websites, smartphone apps, podcasts, and YouTube channels was made. The corresponding author with years of teaching experience and faculty for post-graduate and fellowship training programs then selected the final list. Results A list of 16 websites with brief points on their content and online address along with the availability of free or paid content was identified as being appropriate. A total of 39 apps available for android/apple smartphones, nine podcasts, and 11 YouTube channels were also identified as being extremely useful and have been discussed elaborately in this article. Conclusion Online educational tools are of immense importance in imparting adequate knowledge to an orthopaedic resident and act as an adjunct to conventional teaching methods. This article focuses on presenting various online educational resources in a simple yet concise way, which may be beneficial for the current generation of residents especially in this current time of unprecedented COVID-19 pandemic.

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