Treadmill with continuous pull force on user

A treadmill having a frame and a tread belt mounted within the frame, the treadmill operable by a user, and comprising:

• an elastic band configured to be coupled to a leg of the user;
• a pivoting pulley frame comprising (i) a first frame bracket mounted on a rear end of the frame, (ii) a second frame bracket rotatably coupled to the first frame bracket, (iii) a first pulley disposed on the first frame bracket, and (iv) a second pulley disposed on the second frame bracket;
• the elastic band extending to a rear of the treadmill, and then over the first and second pulleys and under the tread belt;
• wherein the second frame bracket is configured to transition from an upraised position to a lowered position when pushed by the user's foot;
• wherein a magnet is coupled to the second frame bracket, and wherein the magnet is configured to magnetically couple a panel fixed on the first frame bracket when the second frame bracket is in the upraised position;
• and
• wherein the treadmill has no motor configured to move the tread belt.