The fracture mechanics examines the development and expansion of cracks in solids and how they affect the deformation of materials. The stress intensity factors at the tip of the crack and the critical stress intensity factors or fracture toughness of materials are considered in the relevant criteria. There are three main modes of applying forces to a crack including the tensile mode, shear mod...

conclusions higher age of cyclists and increasing speed of the accident opponent significantly increase the likelihood of sustaining facial fractures. the use of bicycle helmets does not significantly reduce the incidence of mid-facial fractures, while being correlated with an even increased incidence of mandibular fractures. background the effectiveness of bicycle safety helmets in preventing ...

introduction there is very limited literature describing the association of lateral condyle mass (lcm) fracture of the distal humerus associated concurrently with olecranon fracture. herein, a case is reported of a displaced lcm fracture with displaced olecranon fracture, due to complex trauma while getting out of a vehicle, which was managed by open reduction and internal fixation. conclusions...

fracture system in carbonate reservoirs is very complex. understanding the features of fractures such as dip, strike and the other parameters can help to distinguish the behaviour of reservoir in any exploration and production plan. image log is the best way to investigate feature planes like fracture and bedding. image log in one of drilled well #10x393 of bangestan reservoir in gachsaran oilf...

T-Condylar fracture of the distal humerus is rare in the skeletally immature children and is very rare in young children, under 9 years of age. This fracture has been classified  as:  type A ( minimally displaced or undisplaced), type B (displaced  but  not comminuted ) and type C (displaced and comminuted). Herein, we report a T-Condylar fracture of the distal humerus in a 5-yr-old boy. This f...

we present an exceedingly rare case of left monteggia-galeazzi fracture-dislocation and right monteggiadistal radius fracture occurring simultaneously in a 20-year old male patient who had fallen 13 meters from a building. the combination of monteggia and galeazzi fracture-dislocation in the same forearm is very rare and, to the best of our knowledge, simultaneous bilateral monteggia and galeaz...

introduction fracture - dislocations of the talus are typically due to high energy injuries. displaced fracture - dislocations of the talus have poor outcomes in general and complications are common. although talar fracture is common and comprises the second most common tarsal fracture, bilateral fracture - dislocations of the talus are rare. not many reports regarding the subject can be found ...

 We present an exceedingly rare case of left Monteggia-Galeazzi fracture-dislocation and right Monteggiadistal radius fracture occurring simultaneously in a 20-year old male patient who had fallen 13 meters from a building. The combination of Monteggia and Galeazzi fracture-dislocation in the same forearm is very rare and, to the best of our knowledge, simultaneous bilateral Monteggia and Galea...

background: hip fractures are serious fall injuries that often result in long-term functional impairment and increased mortality. as the population ages, the number of hip fractures is likely to increase worldwide. the main objective of this pilot study was to evaluate the risk factors of hip fracture among the older adults in the lebanese population. methods: this pilot epidemiological, prospe...