When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...
Feeling and looking your best is always in season, and having a strong core helps with both. A woman named Nikki (Instagram handle Nikki Gets Fit), who keeps sharing insights into her 72-pound weight ...
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.