Check straight leg hip flexion, isolating the rectus femoris muscle.

My muscles have got soft.

My muscles have gotten soft.

Jake, you're, like, buff.

This medicine helps relieve muscle pain.

The hot bath relaxed my muscles.

We're using a biological amplifier to amplify these nerve signals muscles.

Your muscles are weak.

Where'd you lift this from?!

I felt something in this plexus of blood vessels and nerves, and there must be some muscles in there as well somewhere, I guess.

Muscle is constantly being used constantly being damaged.

And by the way, this is how our senses and our muscles work as well.

The myocardium is where all of the contractile muscle is gonna be. That's where a lot of the work is being done.

Now don't you move a muscle.

That's your option.

Your muscles atrophied. We're rebuilding them.

That's why you're all in your chairs.

You can mimic what you can see.

That's what you're seeing here.

And within this structure, you see these two pinkish layers, which are actually the muscle.

He's injured, sir. Hm? His hamstring.

I'll tell you what, you guys like deeptissue massage? All right?

Her chewing muscles grow so vast

Maybe I can add quickly this way.

It's rather archaic. It does show up in the Shakespeare corpus.

Well how about with higher levels of amputation?

Now on the other side of the myocardium, what do we have on the outside?

There's an enormous amount of anatomical variation.

You squeeze your hand, these muscles contract.

Each muscle shows perfect teamwork.

I have sore muscles all over my body.

Oh, that was your body's normal muscle response.

We coat the inside with these bladder lining cells.

A blood vessel is made up of two different cell types.

Is there a reason for this? And a lot of the replies I got were that muscle is terminally differentiated tissue.

As you see, I've got biceps to spare

It'll be total organization. Every muscle must be tight.

It takes about 40 minutes to print, and about four to six hours later you see the muscle cells contract.

The state of the art is what we call myoelectric prostheses.

My whole body is sore.

There are four types of tissues found in the human body connective, muscle, nervous, and epithelial.

Mind over matter.

Mind over matter.

Mind over matter?

This is all muscle.