Breast and waist sides of vertebra.

 A point of calculation is low shoulder blades level, and from his are pick out ten points/picture 3 b, finding on a distance in two fingers from a left and right from   spinous   processes a vertebra  /on horizontal  for intervals between vertebra, as   on the level a cartilage tissue.

And of course, mutual massage here is preferable.

1. Press with big fingers, applied on each other, as on left points, after on right, thus spine to relax, and force for pressing to do maximally.

2. After to press along for vertebra with support a palm top, pressing doing with a good force, as for  top and down.

Not worry, is mutual massage need to change with self massage, and using four fingers. Every hand pressing points on an own side, and fingers other hand apply on massaging hand, that double force. For manufacture a region along a vertebra, lie on the spine, and put under spine  a formed fist/with big and direction finger to the spine/. Help for hand with a spine, tight press with vertebra on an own fist. 

Picture 3 a, as importance spine points.