Which of the following is NOT considered a secondary anatomical point?

The shoulder joint is the correct answer because it is typically classified as a primary anatomical target in defensive tactics. Primary targets are defined as areas of the body that are considered the most effective for achieving a quick and decisive impact during self-defense situations. These areas, such as the head, throat, and groin, have a higher likelihood of causing significant pain or incapacitation.

In contrast, secondary anatomical points are commonly less critical targets used when a primary target is not accessible or when a less severe response is warranted. The knee joint, elbow joint, and back of the hand are generally categorized as secondary anatomical points because they are used more strategically for control or defense rather than immediately incapacitating an opponent.

Thus, understanding the classification of these anatomical points helps in developing effective defensive tactics, allowing practitioners to make informed choices about where to target strikes or holds based on the situation at hand.