The psoas is a deep-seated core muscle connecting the lumbar vertebrae to the femur. The psoas major is the biggest and strongest player in a group of muscles called the hip flexors: together they contract to pull the thigh and the torso toward each other.
7 photos: Photos: Tallest man meets shortest man. Chandra, meet Sultan â Chandra Bahadur Dangi, at 21Â½ inches the shortest adult ever verified by Guinness World Records, poses Thursday in London with the world's tallest man, Sultan Kosen, who stands 8 feet 3 inches tall.
They met for the first time at the 10th annual Guinness World Records Day in London. At 8â9â³, Sultan KÃ¶sen, from Turkey, is the tallest man in the world. At 21 and a half inches, Chandra Bahadur Dangi, from Nepal, is the shortest. Today, the two met for the first time â in London, for the 10th annual Guinness World Records Day. And it was magical. Kosen is 31-years-old and works as a farmer.