Tips in doing Jacknife – Stability Ball.

In doing the Jacknife – Stability Ball, the lower the ball is on your shins, the lower the movement range would be. Therefore, start with the ball close to your knees in order to get a full range of movement and raise your knees all the way up to your chest.

Here are 3 ways we can help:

1) Struggling with your nutrition set up?
Access our FREE Calorie Calculator >>> https://www.sospersonaltraining.com/macro-calculator/

2) Local to Cardiff and Interested in Our Memberships?
Find out about our 21 Day Challenge >>> https://www.sospersonaltraining.com/21-day-challenge/

3) Interested in working with us Virtually?
Find out about our Virtual Coaching Programs

Virtual Coaching


BOOKING YOUR FIRST CLASS IS AS EASY AS

1

Download the App.

2

View Our Classes.

3

Book on the Go!

Available On The Apple Store Button for SOS Athletic Excellence App
Available On The Google Play Store Button for SOS Athletic Excellence App
SOS Athletic Excellence App Displayed on iPhone 8 Plus