3 Minute Posture Exercise
I found this exercise quite challenging, and could not place both my back and head flat against the wall. So I just did my best. I must say I loved the feeling of improved posture immediately afterwards! I will carry on with this exercise and report back (1.9.19)
General Exercises For Posture
A lot of these I found a damn sight easier than the above ones! Plus you can do them sitting at the computer for some instant relief.