Convertible exercise machine

An exercise machine comprising:

• a frame configured to support a user;
• a moving platform slidably disposed on a portion of the frame, wherein the moving platform is configured to move along a length of the frame;
• one or more locking mechanisms coupled to the frame;
• a plurality of adjustable handlebars coupled to the frame;
• one or more wheel assemblies positioned within a channel of the frame, wherein the one or more wheel assemblies allows the moving platform to smoothly and linearly move along the frame;
• and
• a plurality of adjustable springs, wherein the plurality of springs are configured to engage one or more securing devices at one end and the frame at an opposing end, and wherein the one or more securing devices is configured to be received within one or more notches of a platform finger bracket coupled to an end of the moving platform;
• and
• wherein the one or more securing devices comprise:
• one or more knobs, the one or more knobs comprising:
• a first set of modular components configured to engage a loop affixed to a spring of the plurality of springs, wherein the first set comprises a number of grooves located on a front of each modular component;
• a second set of modular components configured to slidably engage the first set through a number of grooves located on a rear of each modular component;
• and an outer ring configured to engage notches located on the rears of respective modular components of the first and the second sets to provide structural support to the securing device.