1. The arm wrestling scene was unrealistic.
They didn't take advantage of the setup to gain better leverage. Common rookie mistakes:
-a very low hand grip
-using purely side pressure
-arm far away from the body
-not capitalizing on individual biomechanical strengths (like height, or the obviously apparent hand size advantage)
2. From how the movie went, a good recommendation would be to incorporate more direct neck training in their workout programs. Much less from an aesthetic standpoint, more from…