10 Best exercise to relieve lower back pain

http://www.lifehack.org/articles/lifestyle/the-best-10-exercises-relieve-lower-back-pain.html

In addition to the above, lying on the back & cycling your legs is extremely effective too !

Rooting Nexus5 without PC

Complete steps given here -
http://nexus5.wonderhowto.com/how-to/root-nexus-4-nexus-5-under-minute-0155646/

Tool used - http://towelroot.com/