A recent study conducted by PPKK research lab has shown that our Taiwanese girlfriends mainly exercise three groups of muscle during weekends in L.A. The first and most obvious one is the tongue used to decide on the next gourmet restaurant and to select the next treat. This leads us to the second group: the stomach. This ‘muscle’ is used in average 95% of the time to digest the countless delicatessen encountered here and there. Excessive food may cause abdominal discomfort. Finally, it is common to experience sore forearms swiping credit cards while shopping.