over 100s
over 200 muscles
Four muscles.
there are 36 muscles in a run mile
43
One
All of the required muscles.
Not much
400
There are 33 muscles in a human face. And no, it doesn't take more muscles to frown than to smile.
It takes many muscles to move the leg. It takes about 200 muscles just to walk at an average pace. Forty muscles are needed at a time to help pick up their legs.
it takes 6 to walk