<prompt> Biceps Femoris, a hamstring muscle causesHip flexion and knee ExtensionHip and knee FlexionHip and knee ExtensionHip extension and Knee Flexion  <response>: Hamstring Muscles Biceps femoris long head, semitendinous, semimembranous, and adductor magnus causes flexion at knee joint and Extension at Hip Joint. Hip flexion and knee Extension by quadriceps femoris muscle Hip and knee Flexion by saorious 