Common Terms & Definitions. Access. A patient's ability to obtain care is determined by factors such as the availability of services, their acceptability to the patient, the location of facilities, transportation, hours of operation and cost of care.
What Are the Hamstring Muscles? The hamstring muscles are a group of three muscles located on the back of your thigh. The three muscles are called the biceps femoris, the semimembranosus, and the semitendinosus. These three muscles work together to help bend your knee.
  The hamstrings (posterior thigh muscles) are made up of 3 long muscles that start at the bottom of your pelvis extending down the back of your thigh and along either side of your knee, to your shin bones.here are three main muscles of the posterior compartment of the thigh. They are the biceps Femoris, the semitendinosus and the semimembranosus. Together, they cause flexion â¦ of the knee and extension of the hip. 7 people found this useful.