1) Hinders the efficiency of 2) Leg tendons 3) Renders powerless 4) Thwarts 1) Hocks 2) Incapacit 3) Lames 
the group of 3 muscles on the back of your thighs that runs from the lower part of the pelvis to just below the knees. They allow you to bend your knees and straighten your legs at the hips. Climbing, hiking uphill, running and cycling all work the hamstrings.
Three muscles in the posterior region of the buttock and thigh. 
Muscles at the back of the thigh that bend/flex the knee.
the tendons of the muscles of the ham - i.e. of the back of the thigh - felt behind the knee when the leg is flexed against resistance (semimembranosus, semitendinosus and biceps femoris).
Muscles that are found in the posterior part of the thighs.
the muscle on the back of the thigh, not well developed by cycling.
Made up of three muscles in the buttock and back of the thigh between the hip and the knee.