The present invention relates to a lunge exercise machine, and more specifically, to a lunge exercise machine that can provide a posture so that even beginners can acquire an accurate lunge exercise posture, and can repeatedly perform lunge exercise in a narrow space . In particular, the lunge exercise machine of the present invention is a lunge exercise machine for training lower body muscles, the lower surface of which connects between a pair of horizontal frames 110 and the horizontal frame 110 provided in parallel to support the ground. A base frame 100 made of a plurality of cross frames; provided, wherein the plurality of cross frames are coupled to the front end of the horizontal frame 110 and the front end cross frame 120 to which the fixed footrest 200 is fixed; a middle cross frame 130 spaced apart from the rear of the front cross frame 120 and coupled thereto; and a rear end cross frame 140 coupled to the rear end of the horizontal frame; at least one guide shaft 320 having both ends fixed between the middle cross frame 130 and the rear end cross frame 140; It is characterized in that the movable footrest 330 provided to be movable by sliding back and forth along the guide shaft 320 is installed.
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