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.
The world's smallest woman has big shoes to fill sitting next to Brahim Takioullah. Jyoti Amge, who is just 2ft tall, is dwarfed by the 1ft 3in soles of Takioullah who has been officially recognised by Guinness World Records as having the biggest feet out there. They are four times larger than those of 19-year-old Jyoti Amge, the world's smallest woman. The smallest woman in the world Jyoti Amge sits in between Brahim Takioullah who has the biggest feet. Ms Amge, who is 2ft tall and from Nagpar in India, has feet measuring 3.72in long, which look tiny compared with those of the 31-year-old Moroccan who holds the title of the world's second-tallest man at 8ft 1in.