Knickerbocker's theory does not explain why the first firm in an oligopoly decides to undertake FDI rather than to export or license. (Hills, 2008) also suggested that the imitative theory does not address the issue of whether FDI is more efficient than exporting or licensing for expanding abroad.
Isometrically, the lower back, the upper back, the abdominals, the trunk muscles, the costal muscles, and the shoulders and arms are all essential to the exercise and thus are trained when squatting with the proper form.
Squats are possibly the most fundamental exercise. They are one of the best leg exercises because they work a good percentage of your muscle mass. Proper back squats will help you get stronger, gain muscle, burn fat and tone your entire body more than any other exercise.