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.
âThe worldâs shortest woman, 18-year-old Jyoti Amge (2 ft .7 in), stands with the worldâs shortest man, 72-year-old Chandra Bahadur Dangi (21.5 in) for the first time for the upcoming Guinness World Records 2013 book out September 13th.â. Related.