Ann and Chris Frederick’s concept of the Core-Four Lower Stretch Matrix is a great way to improve hip mobility for the squat and restore the freedom of motion and stabilizing function of the core.
Taking A New Look at Stretching: The Core Four
8 Simple Stretches to Relieve Lower Back Pain
Core four wallpaper, Core 4 / Resources
Core 4 / Resources
90/90 Stretch: How to Do It, Key Benefits, and Common Mistakes
Stretches for Sitting All Day Stretches for Tight Leg Muscles
Core four wallpaper, The Stretch to Win Core-Four Lower FlexibilityRx - Performance Based Flexibility Training
The Stretch to Win Core-Four Lower FlexibilityRx - Performance Based Flexibility Training
Core four wallpaper, Core 4 / Resources
Core 4 / Resources
TSN's Core 4 Under-24 NHL player ranking have Dallas Stars at No. 1
Why Is Stretching Making The Pain Worse (And what to do instead) - Coach Sofia Fitness
The Stretch to Win Core-Four Lower FlexibilityRx - Performance Based Flexibility Training
Core four wallpaper, The Stretch to Win Core-Four Lower FlexibilityRx - Performance Based Flexibility Training
The Stretch to Win Core-Four Lower FlexibilityRx - Performance Based Flexibility Training
Canfitpro article