The best energizers don't require physical performance. A standing two-minute stretching exercise is doable for everyone. An introduction round where participants chat with a stranger for two minutes doesn't require fitness but immediately delivers energy. A trivia question with audience voting works for all ages.
Group games where participants pick a role suit a mixed audience. Avoid running, tug-of-war or competitive sport as the main act for corporate groups: those create losers, not connection. Live Impact selects energizers that work for everyone.