He Created His Own Start Technique 💨 Fastest Japanese Sprinter 🇯🇵 #shorts #track #athletics #sports

David's Journey: Training for the St. Jude Memphis Marathon

Most people train abs just to see them — but if you want abs that actually do something, you need this trick 👇 In this movement, I added a mini resistance band around my wrists — and here’s why it works so well 🎯 ✅ It activates your shoulders and upper back, forcing deeper core engagement. ✅ Keeps your abs under tension the entire time — no lazy reps here! ✅ Fires up your obliques and improves total-body control. ✅ Turns a simple ab move into a functional, athletic core workout. When your uppe