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.
Bester was once the world's shortest living woman, and measured 65 cm in 1998. 1963â United States: 69 cm (27 in) Bridgette Jordan: Former smallest living woman according to Guinness World Records and one of the shortest living siblings according to Guinness World Records. 1989- Turkey: 71 cm (28 in) Hatice Kocaman