Final answer:
Leg placement can convey nervousness through tension, crossed or tucked under legs, a tapping foot, or continuous movement, which are all non-verbal cues reflecting emotional states.
Step-by-step explanation:
Leg placement can convey nervousness or anticipation through a range of non-verbal cues. Tension in the legs can indicate nervousness, as muscles tend to tighten when a person is anxious. Crossed and/or tucked under legs might suggest a protective or self-soothing gesture, often associated with discomfort or anticipation. Tapping foot is a common sign of impatience or nervous energy, reflecting an urge to move or release pent-up energy. Lastly, Continuous movement, such as shifting from foot to foot, can signal restlessness and the difficulty of remaining still due to nervousness or anticipation. These involuntary behaviors are the body's response to various emotional states and can serve as non-verbal communication cues to others.