Winning naturally elevates testosterone levels, but so does striking the type of expansive pose adopted by Great Britain’s Chris Hoy upon winning gold in the men’s keirin cycling. “Power poses” are characterised by outstretched limbs, something at which gymnast Gabby Douglas would likely excel … The effects of a “power pose,” as demonstrated by Portuguese footballer Cristiano Ronaldo, are thought to last at least 20 minutes, and help combat cortisol, the stress hormone. Some power poses appear to be gender specific. A University of Jena psychologist has demonstrated that men associate a clenched fist with feelings of power. Researchers have [...]