
I'm doing some experiments
to show that the signal to move a MUSCLE
The Big Bang Theory Season 10, Episode 19

That leaves you, by default,
as the MUSCLE.
The Big Bang Theory Season 3, Episode 17

Good thinking, I'll just be the MUSCLE.
The Big Bang Theory Season 1, Episode 1

One more floor
and I'd be the pulled MUSCLE.
The Big Bang Theory Season 3, Episode 17

Great. Just keep in mind astronauts lose
a lot of MUSCLE tone in space...
The Big Bang Theory Season 6, Episode 4