Carotid artery dissection classes: spontaneous or traumatic. Once considered uncommon, spontaneous carotid artery dissection is an increasingly recognised cause of stroke that preferentially affects the middle-aged. The incidence of spontaneous carotid artery dissection is low, and incidence rates for internal carotid artery dissection have been reported to be 2.6 to 2.9 per 100,000. Observational studies and case reports published since the early 1980s show that patients with spontaneous internal carotid artery dissection may also have a history of stroke in their family and/or hereditary connective tissue disorders, such as Marfan syndrome, Ehlers-Danlos syndrome, autosomal dominant polycystic kidney disease, pseudoxanthoma elasticum, fibromuscular dysplasia, and
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