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.
Erector Spinae. The erector spinae are muscles that bend and rotate your back. Theyâre located alonside your spinal column and run from your neck down to your lower back. Squats work your erector spinae as you keep your trunk upright and shoulders level.