Expansive body movements can literally create an extra surge of power in you, says a new study.

Feeling tense just before a job interview? Simply hold your body in a “high-power” pose for a few minutes to create a sense of power and dominance in you. You may have read about such ‘self-affirmations and gestures' in a self-help book, but recent research by Harvard professor Amy J.C. Cuddy supports this theory.

According to the study, when people hold themselves in an expansive pose such as putting their feet on desk and hands behind head, it increases their levels of testosterone (the hormone associated with strength and power) and decreases the level of the stress hormone called cortisol, both of which result in people having greater feelings of being in-charge.

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