Elbow taken as six handbreadths; three to the elbow and three from the elbow to the shoulder. Another measure was the "cubit" (from "cubital"). This was taken to be the length of a man's arm from the elbow to the end of the middle finger. Though the elbow is similarly adapted for stability through a wide range of pronation-supination and flexion-extension in all apes, there are some minor differences. In arboreal apes such as orangutans, the large forearm muscles originating on the epicondyles of the humerus generate significant transverse forces on the elbow joint. The structure to resist these forces is
Tip of the tongue or daily life. This disorder is called anomic aphasia when acquired by brain damage, usually from a head injury, stroke, or dementia. The tip of the tongue phenomenon has implications for research in psycholinguistics, memory, and metacognition. The term "tip of the tongue" is borrowed from colloquial usage, and possibly a calque from the French phrase "avoir le mot sur le bout de la langue" ("having the word on the tip of the tongue"). The tip of the tongue phenomenon was first described as a psychological phenomenon in the text "The Principles of Psychology" by William James (1890), although he