How to Get a Sprinter's Body (According to trainers)
Can running give you abs?
7 Best Core Exercises for Sprint Speed
Why Do SPRINTERS Have Such RIPPED ABS? - YouTube
Rectus abdominis and running - Run Trails
Sprinters Prehab | Get More out of Your Legs While Avoiding Injury
For sprinting (specifically 100m, 200m, 400m), does it matter how much I weigh if I maintain a low body fat percentage and eat healthy (ex. visible abs and muscles)? - Quora