Yes, he has big muscles, and strength tends to vary in proportion to muscle mass.

NEWYORKER: The Strongest Man in the World

He's armed with sharp teeth, big muscles and a smart mammalian brain.

FORBES: King Kong Vs. T. Rex

Occupational pension funds everywhere were flexing their muscles as big stockmarket investors.

ECONOMIST: The history and future of pensions

One final thought worth remembering - whatever is agreed has to go to the European Parliament and the MEPs are not just determined to flex their muscles, they are big backers of EU spending.

BBC: EU budget: Another battle looms

Big hotel groups are most able to flex their muscles this way, especially in America where the majority of hotel rooms are booked via chains.

ECONOMIST: The travel industry