Carotid artery dissection dissection is thought to be more commonly caused by severe violent trauma to the head and/or neck. An estimated 0.67% of patients admitted to the hospital after major motor vehicle accidents were found to have blunt carotid injury, including intimal dissections, pseudoaneurysms, thromboses, or fistulas. Of these, 76% had intimal dissections, pseudoaneurysms, or a combination of the two. The probable mechanism of injury for most internal carotid injuries is rapid deceleration, with resultant hyperextension and rotation of the neck, which stretches the internal carotid artery over the upper cervical vertebrae, producing an intimal tear. After such an injury, the patient
Dynamism of a Human Body: Boxer Dynamism of a Human Body: Boxer Dynamism of a Human Body: Boxer is a dynamism drawing created by the futurist Italian artist Umberto Boccioni. The work was intended to show a subject in between a state of motion and stillness. Painter Umberto Boccioni, one of the earliest members of the school of futurism, had in 1912 found an interest in sculpture. During the early stages of his pursuit, Boccioni found himself working on the dynamism of forms. Boccioni wanted to find a single form which would capture all movement, as opposed to having a series of images. Viewing the past