Foldable crawling body builder with linkage mechanisms

The utility model discloses a foldable crawling body builder with linkage mechanisms. The crawling body builder is provided with a front track and a rear track, wherein the front track is connected with the rear track movably; the front track is provided with an upper limb sliding body; the rear track is provided with a lower limb sliding body; the upper limb sliding body is connected with a front linkage mechanism; the lower limb sliding body is connected with a rear linkage mechanism; the front linkage mechanism is movably connected with the rear linkage mechanism; and the upper limb sliding body and the lower limb sliding body are provided with linkage ropes and/or flexible straps. The foldable crawling body builder with the linkage mechanisms can be folded, occupies small storage space, has a linkage function, and is simple in structure and convenient to operate; and a body building effect can be improved.