While there will always be a place for sit-ups for ab definition, many trainers now suggest standing exercises that not only train abs but back muscles, too.
They're more practical than getting down on the floor, and they may also be more effective because the moves strengthen the body's core muscles, making everyday movements -- forward, backward and side-to-side -- easier. Training...
Rowing is often called the best aerobic exercise because it offers a total body workout and is low-impact.
Rowing involves performing a continuous motion with focused coordination between the arms and the legs. If you've never rowed a boat or paddled a canoe before, it may take some time to get the hang of it, but the fitness benefits are worth time spent on the learning curve.