Conclusion In conclusion, theories of FDI have evolved through the years. Firstly, Vernon's product life cycle theory is stringently applicable to the Unite states in a particular historical period (1960's). It was based on the behaviour of United States multinational corporations which was relevant at the time.
Deadlifts especially work the adductor muscles of the hips. Torso muscles such as the rectus and transverse abdominus â commonly known as abs -- and the outer-torso serratus anterior and obliques get a secondary workout as the lifter keeps them tight and engaged throughout the motion of the exercise.
it's expected to feel it / be sore in the upper back and traps and even a little soreness in the lower back. The target muscle of the deadlift is the erector spinae. You should feel it there more than anywhere else. if it's sharp pain in the lower back, then yeah it's a form issue and it's likely that you're lifting with your lower back