This Leg Extension/Curl unit with dual functionality, brought by Hur offers effective and safe training for quadriceps and hamstring muscle groups. The device comes with an adjustable back support that helps to accommodate for individuals of various size. Athletes can also access this unit in form of a standing Leg-curl, that would bring them especially close to natural movement. The pushbuttons, fitted in it permits users to alter the resistance at the time of movement, to utilize the most of their exercise.