How would you move without gravity? I'm wondering how would you move without gravity? You would still have air pressure at 1Atm.
Would you "swim" in the air or would you have do something else?
 A: The answer is: with great difficulty.
In a space ship there should be hand holds and footholds and a grid of ropes crisscrossing and you would move by pulling and pushing yourself: muscle power. 
Air is too thin to get a reactive force to propel yourself effectively by swimming.
Once a motion is started, stopping will have to be taken into account too.
A: 
Well we could use arrangements springs and nets.
Example:
Suppose you want to get from A to B. There is spring at A (launcher spring) and there is another spring at C(deflector spring). There is a net at B to catch you. And the big black rectangle is a house. 
You firmly push your head against spring at A and let go. Once you reach spring C it will deflect you and at B the net will catch you. Please wear helmet! 
A: I would grow long nails on my hands and feet, and then run like a beast with the nails firmly in the soil at all times :) If I accidentally leave the surface, I would huff and puff in the reverse direction until I reach the surface again.
