What muscles are used when running cross country?

Ok so we all know we use our leg muscles. Also your abs. Your abs help you run and your arm muscles for swinging.

Ok so we all know we use our leg muscles. Also your abs. Your abs help you run and your arm muscles for swinging.

Answer:

The Kinesiological answer is that in most ballistic, gross, motor body sports, you use practically every muscle in your body, but to different degrees and in different ways, depending on the precise movements involved: in running, swimming, skipping, etc.