Performing core work on a Swiss ball adds an extra layer of instability, which gives your stabiliser muscles a good workout. The following routine is a challenging test of your upper-body and core strength. Try two rotations of the following set - Jack knife x 10 Twist x 20 Hamstring curls x 10 Mountain climbers x 20 Rollout x 10 Pike x 10 | Runner's World UK

SWISS BALL CORE! Grab a Swiss ball and try these 3 exercises at the end of your workout today! I love the Swiss ball because it forces you to use those stabilizing muscles you don’t usually use. Do this circuit 3 times and try not to rest in between sets. Rest 30 seconds in between each circuit. Outfit by @tilyoucollapse • code Kass15 Shoes: Jordan 5’s #SwissBallCore #SwissBallCoreExercises #SwissBallStabilizingExercises | Kassidy Callori