While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...

Find the answer for What bicycle crunches work from the people who brought you the USA TODAY Daily Crossword Puzzle.

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...

I'm not a huge fan of crunches. The move is easy to perform incorrectly and doing so puts a lot of strain on the neck. Another reason I don't love them is that if you're short on time, they aren't the ...