Annals of Medical and Health Sciences Research The Journal of Orthopaedics Trauma Surgery and Related Research is a broad-based journal found on two key tenets: To publish the most exciting original research articles, case-reports, Reviews, short communications, rapid communications, letter to the editor on Orthopaedics Trauma Surgery and Related Research, Second to provide a rapid turn-around time possible for reviewing and publishing of articles for research, teaching and reference purposes. Journal of Orthopaedics Trauma Surgery and Related Research Volume 12, Issue 1 Rare case of the hip injuryposterior dislocation and femoral head fracture associated with patella fracture case report and literature review JAN ZABRZYNSKI, KAROL PIECHOCKI, AGNIESZKA ZABRZYNSKA, ARTUR SZUMLANSKI Assessment of the impact of body fatness on functional performance in early stages of rehabilitation after knee replacement JOANNA MATLA, KATARZYNA OGRODZKA, ANETA BAC, ARTUR GADEK, TOMASZ SORYSZ Reliability of the ultrasound measurements of deep abdominal muscle in rehabilitative practice PAWEL NIEWIADOMY, KATARZYNA SZUSCIK, MATEUSZ RYCHLIK, KLAUDIA PIATKOWSKA, ADAM ZIEBA