Best stretches for core muscles?

[thisguyinny]

Have been taking time off from heavy lifting due to back pain and serious hip, core and back tightness. What stretches would best help me loosen up and feel more athletic?

 

[Jebrook]

Dynamic stretching and proper warm up vs. static stretches. Google and you will find plenty of info.0

 

[Gutterpump]

DeFranco's Limber 11

 

[hw101]

Plus one on limber 11