Abstract Volumetric fracturing is an effective way to develop shale oil. Fracturing forms a complex system of fractures various scales that can be divided into micro-fractures, secondary fractures, and primary fractures. To improve the conductivity multiscale in volumetric Jimsar oil, experiments were performed under such conditions as rough without proppant placement, with straight discontinuo...

When subjected to strains or strain rates higher than usual, the bone remodels to repair microdamage and to strengthen itself. During the initial resorption phase of remodeling, the bone is transitorily weakened and microdamage can accumulate leading to stress fracture. To determine whether short-term suppression of bone turnover using bisphosphonates can prevent the initial loss of bone during...

BACKGROUND Stress fractures are quite common both in athletes and military recruits. The purpose of the study was to evaluate the efficacy of tuning fork in stress fractures by comparing it with three phase bone scan. METHODS The current study examined 55 subjects whose age ranged 18-28 years. X-rays of all the subjects were unremarkable. After history and clinical examination tuning fork tes...

Stress fractures are usually a rare incidence, but if it occurs, its more common in the lower limbs. Upper limb stress comparatively quite rare, wherein clavicular particularly uncommon. There have been very few reported cases of clavicle fractures, and patients with nervous tics, post radical neck dissection rarely due to sports. We report case fracture 55-year old female, who has suffering fr...

STUDY DESIGN One-group discriminant analysis. OBJECTIVE To determine whether 1 MHz of continuous ultrasound can identify tibial stress fractures in subjects. BACKGROUND Stress fractures can lead to loss of function or to more serious nonunion fractures. Early diagnosis is important to reduce the risk of further injury and to assure a safe return to activity. Therapeutic ultrasound has been ...

PURPOSE To compare female runners with and without a history of stress fractures to determine possible predictors of such fractures. METHODS 27 female runners (age 18-40 yr) who had had at least 1 stress fracture were matched to a control sample of 32 female runners without a history of stress fractures. Bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry (iDXA). Subje...

CONTEXT Stress fractures are common among athletes, particularly distance runners, with many theories regarding the etiologic process of stress fractures and various studies identifying risk factors or suggesting preventive techniques. To our knowledge, no previous studies have discussed the possible causative effects of somatic dysfunction or the preventive capabilities of osteopathic manipula...

BACKGROUND Several factors are known to influence osseous union of femoral neck fractures. Numerous clinical studies have reported different results, hence with different recommendations regarding treatment of Pauwels III fractures: femoral neck fractures with a more vertically oriented fracture line. The current study aimed to analyze biomechanically whether this fracture poses a higher risk o...

Stress fractures are commonly seen among soldiers and athletes with the usual sites being the tibia, fibula or the metatarsals. Clinical examination may not be very helpful in such cases unless a high degree of suspicion is directed towards the pathology. We present a case of bilateral synchronous subtrochanteric stress fractures in a Sufi mystic dancer who presented with mild leg pain. The pat...

Natural fractures act as critical flow channels and reservoir space in the Lucaogou Formation tight of Jimsar Sag. It is essential to identify main controlling factors natural order achieve efficient development oil this area. There are mainly three types fractures, including tectonic diagenetic abnormal overpressure-induced fractures. Diagenetic predominantly bedding seams. The fracture affect...