Back Exercises

From notebook

Eric Goodman Foundation training video

Stuart McGill [1] summary and Big Three (curls, bird dog, side planks) video

Use Glutes in cycling forum

Pilates, Pilates Sissors and Hip Bridge [2] Seated Twist pose (used in karate, recommend by another sufferer) [3]

MTG Style seat: forced posture correction. Forcing rather than building the muscles and habit so may not be good but prevents further injury when I have done in my back by sitting/slouching too much with my affiliate link. I get them second hand in Japan at about 50USD including postage and have three.