Resistance apparatus for connection to a human body

A resistance apparatus for use in fitness exercising and rehabilitation comprising:

• a treadmill having a rearward end, said treadmill having a first side rail and a second side rail at said rearward end;
• a frame connected to said treadmill and positioned behind said rearward end of said treadmill, said frame comprising:
• a horizontal section having a first side releasably connected to said first side rail of said treadmill, said horizontal section having a second side releasably connected to said second side rail of said treadmill;
• and
• a vertical section extending upwardly from said horizontal section and spaced by a distance rearwardly of said rearward end of said treadmill;
• and
• a resistance means affixed to said vertical section of said frame and having an end connectable to a human body, said resistance means for exerting a resistance force onto the human body from a back of the human body as the human body carries out a forward motion on the treadmill.