center. with the turn of a knob the chair converts into a fully functional exercise machine. >> it gets you from zero to 60 pretty fast. >> reporter: everything from upper body presses to leg extensions. >> there are six handles. so it's four stations. and one band for each. and you can do roughly 16 core exercises. >> reporter: inventor adam ben david says he came up with the idea for a desk gym while he was a philosophy student in college, sitting in front of his computer for hours on end. >> after the idea started we got a few dumbbells, just kind of had those around the chair, then got an exercise band. it really just started to snowball into the whole system. >> reporter: the band wraps around a pulley system built into the chair. the user can adjust the tension by raising or lowering the seat. >> you can get roughly 90 to 100 pounds of we have thicker diameter bands and thinner ones as well. you can really dial it up all the way. >> reporter: but for deskbound professionals like jason it offers something even more valuable. convenience. >> if i had to get up, do a quick set of push-ups or sit-ups to get the blood flowing, i'm