Core workout you can do anywhere -- Today's Tip

PHILADELPHIA (WPVI) -- Shoshana shows us a core workout you can do, even when you're on vacation! WATCH PREVIOUS FITNESS TIPS: Loosen your hips -- Today's Tip Up, up, down, down plank -- Today's Tip Perfect your lunge -- Today's Tip Side squat with forward lunge -- Today's Tip Oblique twist -- Today's Tip Double squat jump -- Today's Tip Core exercise using a bench -- Today's Tip Press & kick -- Today's Tip Push up with slow mountain climb -- Today's Tip Get your arms ready for tank top season -- Today's Tip Step ups -- Today's Tip.