“…The most common frequency of exercise is twice 36,43,48,49,51,52,58,59,67,78,82,86,93,99,105,107 to thrice per week. [37][38][39]41,42,46,56,60,[62][63][64]69,70,73,74,77,80,83,[89][90][91]96,98,101,104,109 Fourteen studies required the adults to exercise four to six times per week. 40,50,54,65,66,68,71,84,87,88,…”