muscle

Muscle consists largely of actin and myosin filaments.

His brow and hair and the palms of his hands were wet, and there was a kind of nervous contraction of his muscles. They seemed to ripple and string tense.

The fact that I was middle-aged, bald, married, and raising girls instead of chasing them didn't really bother me. Muscles are cool at any age.

The lesson to be drawn from the events of 1914, to Roosevelt's mind, was that civilization needed muscle to defend it, not just solemn words.

It was easy enough to dodge him, let him crash into the floorboards. Peltroc knew that his priority was the leader, not the hired muscle.