Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time ...
Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results