Answer: ALSO THE - ARE SO I COULD POST THE ANSWER WITHOUT BAD WORDS
7: One shouldn't be to weak or strong otherwise you may get some pain. You could also end up overusing the other one. Otherwise, you may be both weak & strong which isn't the best idea of strong.
Explanation:
4) One muscle could affect the movement of other muscles as they all work together to have your body move. (I don't know how to explain it in a scientific way)
3) anterior del-toid, pectoralis major and cora-cobra-chialis are effect shoulder movements.
1) In your legs there is the quadriceps femoris muscle group which includes the re-ctus femor-is, vast-us later-alis, vast-us medi-us, & vast-us inter-medius.
Sorry I can't see the diagram & i am not smart enough for the rest.
