USER GUIDE: Core Swagger Reactive Device

Updated 01/08/25

“Trust the process and don’t rush it”
— Neil Alvarez MSPT

This device is designed not to make you think. Just wear and feel

❌ Most devices overload you with data information. It makes you think but never to guide the movement in real time.

✅This device does not need you to think. You just find the angle of activation of your core whenever you move or take a shot.

❌ It will not activate when you do it wrong.

✅ It rewards you when you do it right with our angle of stabilty.

Say hello to instinct. Stop guessing. Start sensing. With Core Swagger RSD, core activation isn’t theory—it’s a feeling you train with every stroke.

A. QUICK GUIDES

1. Unboxing

2. Fitting & Adjusting

3. Device Does Not Activate

 

4. Why It Does Not Activate?

5. What is My Level?

6. Adjustment of Mode Level

“Feel your core-inward when you move”
— Neil Alvarez, MSPT

B. TENNIS SPECIFICS

The focus of this device is mainly for Awareness of Stability and Balance.

  • The usage of the core is emphasized here prior to turning your hips.

  • The device is also made to stabilize how the legs and arms are behaving in dynamic motion in relation to the trunk.

How To Use the Device in Dynamics

  • You will discover many usages. Here are the steps you need to follow prior to usage. The device is designed to make you work and not to spoil the process. Stability first.

1. Needing To Hip Turn Soon

2. How Not To Tense Hip Turn

3. Master Vertical Stability First

 

4. Why choosing the Core Swagger RSD is Essential

5. Use A Lot of Vertical Stability

6. Tennis Balance Tricks

C. Off Court Bullet Proof Stability and Activation Exercises

1. Hip Turn Stability Exercise

2. Side Lunges With Twist

3. Vertical Jumps and Turns

 

4. Punish your balance to achieve more

5. Basic Twist

6. Good Core Good Tennis | Bad Core Bad Tennis