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Stress fractures can be described as small cracks in the bone, or hairline fractures. Stress fractures of the foot are sometimes called "march fractures" because of the injury's prevalence among heavily marching soldiers. [2] Stress fractures most frequently occur in weight-bearing bones of the lower extremities, such as the tibia and fibula ...
Psychological trauma (also known as mental trauma, psychiatric trauma, emotional damage, or psychotrauma) is an emotional response caused by severe distressing events, such as bodily injury, sexual violence, or other threats to the life of the subject or their loved ones; indirect exposure, such as from watching television news, may be extremely distressing and can produce an involuntary and ...
Fracture strength, also known as breaking strength, is the stress at which a specimen fails via fracture. [2] This is usually determined for a given specimen by a tensile test, which charts the stress–strain curve (see image).
A material having compressive residual stress helps to prevent brittle fracture because the initial crack is formed under compressive (negative tensile) stress. To cause brittle fracture by crack propagation of the initial crack, the external tensile stress must overcome the compressive residual stress before the crack tips experience ...
Stress injuries (stress fractures and stress reactions) of the lumbosacral region are one of the causes of sports-related lower back pain in young individuals. [18] The onset of the observed cervical fractures in sports injury were likely due to continued momentum that transferred loads superiorly through the neck, which exacerbates injuries to ...
Fractography is the study of the fracture surfaces of materials. Fractographic methods are routinely used to determine the cause of failure in engineering structures, especially in product failure and the practice of forensic engineering or failure analysis.
The general understanding that suffering and distress can potentially yield positive change is thousands of years old. [1] For example, some of the early ideas and writing of the ancient Hebrews, Greeks, and early Christians, as well as some of the teachings of Hinduism, Buddhism, Islam [4] and the BaháΚΌí Faith [5] contain elements of the potentially transformative power of suffering.
Getting someone to confess to a crime during an interrogation – whether innocent or guilty – means the suspect has been broken. The key to breaking points in interrogation has been linked to changes in the victim's concept of self [3] – changes which may be precipitated by a sense of helplessness, [4] by lack of preparedness or an underlying sense of guilt, [5] as well (paradoxically) as ...