Muscles that are used during running ar the quadriceps and hamstrings. The back and abdominal muscles are also used that are part of the torso.
They are used to make a path for the Running Back.
There is no such position in baseball. The running back position is used in American football.
Leg Muscles...........
leg muscles
The muscles that are used when snapping a football are all in the arm. More specifically, the forearm muscles are heavily used.
Mostly your Quad muscles
most importantly your calf muscles
THe legs are the most used in football, especially the calf and thigh muscles. Naturally, the amount of kicking and running associated with football leads to the bulging of calf muscles. But this only after long amounts of practice.
Most of them.
Tricept
quads calfs