Final answer:
Men's traditional Cook Island social dance is characterized by energetic and acrobatic movements, alongside the use of props like spears, to display physical prowess and cultural traditions.
Step-by-step explanation:
The action characteristic of men's traditional Cook Island social dance is energetic and acrobatic, with a focus on rhythmic movements and powerful gestures. The dance often includes feats of agility and strength, with dancers executing impressive jumps and utilizing props such as spears or sticks. These performances not only serve as entertainment but are also a display of physical prowess and are deeply intertwined with social and cultural traditions in Cook Island society.