There is disclosed an exercise machine for leg strengthening, the exercise machine comprising a stationary frame; and a thigh support member and an ankle support member coupled to the frame and configured to support a user's thigh and ankle, respectively, during a hamstring curl exercise motion. The thigh support member and the ankle support member are each movable with respect to the stationary frame during the hamstring curl exercise motion, thus facilitating contraction and extension of both of a hamstring and glute of the user during the hamstring curl exercise motion.