background: chondromalacia patella is the most common cause of mechanical knee pain in young women. q angle and knee alignment are important clinical parameters for biomechanics of the patellofemoral joint. objective: to identify the prevalence of knee malalignment and to find out if there is a correlation between knee mal alignment and q angle with age at onset of disease. methods: all patient...

It is well known that in operations research‎, ‎degeneracy can cause a cycle in a network‎ ‎simplex algorithm which can be prevented by maintaining strong‎ ‎feasible bases in each pivot‎. ‎Also‎, ‎in a network consists of n arcs‎ ‎and m nodes‎, ‎not considering any new conditions on the entering‎ ‎variable‎, ‎the upper bound of consecutive degenerate pivots is equal‎ $left( ‎begin{array}{c}‎ ‎n...

background: considering the physical, emotional and psychological complications of early or delayed menopause on women`s life, it is necessary to determine associated factors of menopause age. this study designed to determine menopausal age and associated factors in women of gorgan, i.e. the capital of golestan province in the north-east of iran.   methods: in this cross-sectional study, 804 me...

Background: Basal cell carcinoma (BCC) is the most common skin cancer in humans showing various clinical and histological forms. Objective: The aim of this study was to evaluate the age, sex, location, histological subtypes of BCC cases in Ahwaz and to compare it with other skin cancers specially squamous cell carcinoma. Patients and Methods: A descriptive, retrospective study was done using fi...

Previous studies indicate that rifle shooting performance while standing is compromised when fatigued. Apprehension of suspects by police officers may involve foot pursuit and firing a weapon from a standing position. The purpose of the current study was to investigate pistol shooting performance in police officers under similar conditions of physical fatigue. Participants (mean age: 30.1 years...