While doing the sprinter sit-up, your tendency may be to flex your spine to get your shoulders up as high as possible. Resist that urge. Do your best to keep your spine in a straight line ...

Do 2 sprinter situps; after the second one, stay in corkscrew hollow rock position and do 2 hollow rocks. Continue this pattern, laddering up to 5 sprinter situps and 5 corkscrew hollow rocks.

He says practicing cross-body exercises like the cross-body crunch, bicycle crunch, and sprinter sit-up will strengthen your obliques to help with the locomotive movement of running. How to do it ...

Budd Coates has been running for 40 years and coaching for 30. Along the way, he qualified for four U.S. Olympic Trials in the marathon. He has bests of 2:13:02 in the marathon and 63:48 in the ...

This workout's focus is on building strength in your lower body, but it'll also challenge your power, endurance, and stability with moves like plank tucks, tuck jumps, and sprinter sit-ups.

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...