Swap crunches for these six moves to strengthen your entire core and boost your balance

Sweat app trainer Britany Williams completing a core workout .

Crunches alone won't give you a comprehensive core workout. You need to do a range of exercises and movement patterns to work all of your core muscles in a range of ways. 

Wondering where to start? Grab a pair of light dumbbells and give this six-move session from Sweat app trainer Britany Williams a go.