Breaking Muscle Video - Kimura Sit-Up Warm-Up
Here's a great drill for building abdominal strength and explosion for Brazilian Jiu-Jitsu or any other sport. If you're tired of standard sit ups and want another option for getting some core work in, give this drill a try. It incorporates actual martial arts techniques into a dynamic warm-up drill. This drill is appropriate for martial artists, CrossFitters, or anyone else looking for a new way to get their abdominal muscles going.