ABS & LOWER BACK VIDEOS
J2FIT Video Library
Videos for exercises to strength and focus the abdominal/core and lower back.
This exercise is a staple in any strength training program. If lower back issues are present, modifications should be made to decrease chance of injury and increase probability of strength improvements.
Isometric core strength is the foundation upon which abdominals, obliques, and stronger lifts are build upon. Learn how to perform the perfect plank.
Develop strength and endurance to improve postural mechanics, injury prevention, and muscular development in the lower back and posterior chain.