The first number they have retired is the number 12 in  1984, which represents the 12th Man, the aâ¦mazing fans of the  Seattle Seahawks who year in and year out cause the most false  start penalties in the NFL at Qwest Field and in the Kingdome, and  for their short two year time in Huskies Stadium.
The hamstring group comprises three muscles and their tendons, which originate on the ischial tuberosity (the part of the hip you sit on), flow down the back of the thigh and attach to the front and back of the knee. Like all muscles, the hamstrings are tethered by tendons, in this case to the hip and knee bones.
A Patient's Guide to Hamstring Injuries Introduction The big group of muscles and tendons in the back of the thigh are commonly called the hamstrings. Injuries in this powerful muscle group are common, especially in athletes. Hamstring injuries happen to all types of athletes, from Olympic sprinters to slow-pitch softball players. Though these injuries can be very painful, they will usually heal on their own.