background: the purpose of this study was to investigate the ratio of electromyography (em g) activities of the vastus medialis obliqus (vmo) and vastus lateralis (vl) within seven angles of knee joint range of motion using isometric contraction in open kinetic chain (ok c) and closed kinetic chain (ckc). methods: the dominant knees of 44 healthy female subjects (mean age: 24.84 with range: 20-...

Two nationwide studies examine endoscopist performance and colorectal cancer after colonoscopy. Surveillance screening colonoscopy is based on characteristics of removed adenomas but not the endoscopists. In this issue Gastroenterology, Wieszczy et al examined endoscopists (CRC) risk in a Polish cohort. A total 173,288 colonoscopies were performed between 2000 2011 followed up until 2017. Of 26...

Covering models have found many applications in a wide variety of real-world problems; nevertheless, some assumptions of covering models are not realistic enough. Accordingly, a general approach would not be able to answer the needs of encountering varied aspects of real-world considerations. Assumptions like the unavailability of servers, uncertainty, and evaluating more factors at the same ti...