If motion occcures from being pushed, how do we move our muscles?

4 Answer(s)

Electrical impulses from the brain. Our bodies are filled with electricity.

All muscles pull. No muscles push.

I have a challenge for you. I want you to stand up from that chair you're sitting on, or find a nearby chair. Stand behind it. Pull it towards you. Does it move? If not, physics is broken. Contact your local administrator.

Actin and myosin filaments lying alongside slide against each other to shorten or elongate causing contraction and relaxation.