3. Cross Plank Push-Ups: Start in a forearm plank position, shoulders stacked over elbows, body in straight line from head to toe. Almost cross arms, placing right hand in front of left elbow, left ...

Add Yahoo as a preferred source to see more of our stories on Google. YOU KNOW THE SAYING: Work smarter, not harder. You may have already incorporated that mentality into your training routine, ...

YOU KNOW THE SAYING: Work smarter, not harder. You may have already incorporated that mentality into your training routine, subbing unfocused, 60-minute workouts for strategic 30-minute sessions, or ...