Sit ups are falling out of favor — what does the research show?
The sit-up’s downfall is largely due to fitness professionals realizing the limitations and potential risks as well as ...
Hate sit-ups? This standing abs workout with weights blasts your core in 15 minutes
The workout follows a simple pattern of 40 seconds of work, followed by a 20-second rest. It’s suitable for all levels of fitness — to make the workout easier, use lighter wei ...