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
The Tip of the Zoidberg Zoidberg returns to announce his discovery to the crew just as the Professor begins transforming into a yeti. Zoidberg forces him to swallow the yeti gland, successfully curing him. As the crew goes to a tanning salon to celebrate, Zoidberg laments giving away his coupon. A grateful Farnsworth goes back and offers to treat Zoidberg to a free session, and they both depart as friends. The Tip of the Zoidberg "The Tip of the Zoidberg" is the eighteenth episode of the sixth season of the animated sitcom "Futurama". It aired on Comedy Central in the United States on August 18,