Welcome to our Flat-Belly Challenge : 21 days of workouts, belly-blasting tips, and fat-burning recipes to help you feel slimmer and more confident all Summer. Day 17's challenge is a belly-blasting cardio workout followed by a delicious tropical detox salad, plus a bonus boost to help you reach your flat-belly goals.
Source: Thinkstock 
Click here for an image-free, printable  version of the workout. If you're sick of the treadmill, try this 30-minute interval elliptical instead .
Pineapple Arugula Salad
Photo: Lauren Hendrickson
Relieve digestion woes and help shrink your belly with a tropical pineapple arugula salad . Pineapple contains enzymes that help you debloat and ease digestion, while avocado contains fiber and MUFAs (monounsaturated fatty acids) to fight belly fat. Plus, this salad is bursting with fresh flavor, so all your taste buds will be satisfied.
Bonus Boost: Detox Lemon Ginger Water
Source: Instagram user gingerwithsoul_1 
Looking for an extra flat-belly boost today? Add a few detoxing and debloating ingredients to your water. Squeeze some lemon, grate some ginger, and slice some cucumber into your water for added flavor and nutrients. You might even find yourself drinking more — a great strategy for flushing out your system and making you feel less puffy. Learn more about how to make detox water here .