<prompt> Translate the following text to EnglishKama unavyojua, ni kama sanduku, na wewe tu hatua juu na chini na juu na chini na juu na chini kufanya tofauti tofauti, unajua, kubadilisha miguu na wewe kushangazwa jinsi ya haraka kwamba anapata kasi ya msukumo juu.  <response>: you know its like a box and you just step up and down and up and down and up down do different variations you know change feet and and youd be surprised how quick that gets the pulse rate up 