JSI is a Sports Performance Training & Athlete Consultation Company specializing in speed and power.
15/01/2025
Speed School is here!!! Sign up as spot are filling up fast.
30/04/2024
JSI 2024 Website coming soon!!!
29/04/2024
Summer right around the corner!!! ☀️
15/12/2023
Speeding in the fast lane 🏎️
The 3 key aspects to improving speed:
1. ⬇️contact time-Plyometrics
2. ⬆️ Power Output- Resistance Training
3. Max Speed sprints & sub-maximal speed work w/ technical drills
13/12/2023
Creating Tomorrow’s Dreamers, Today!!!
27/05/2023
Unlock Your Speed Potential With JSI Speed Development Academy for all sports.
Offer: Ready to take your sprinting to the next level? Speed Develop training is offering expert 1-on-1 private coaching memberships and exclusive individual/group training sessions to help you maximize your speed and reach your athletic goals.
Unique Angle: Unlock your speed potential –Sign up today for a Free Sprint Profile and be invited to a Universal Speed Rating (USR) Event to test how fast you are.
FOR MORE INFORMATION ON HOW TO SIGN-UP CONTACT: (661) 488-7298
30/07/2022
Congratulations to Mikah B on the 🏀 offer, work is only the beginning to a journey of success.
10/06/2020
Straight out the dirt. We represent the chosen few athletes who do the things necessary to change the game and create a new era of culture that best represents the next generation of athletes. We are built mentally and physically to improve every aspect of our mind life and heart to define a movement towards success.
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