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.
Quads Remain the Target. When you perform a traditional body-weight squat or a barbell or dumbbell squat, the exercise targets your quadriceps muscles. Lifting one leg off the floor, regardless of the exact form you use, doesn't change the target muscle.