Depth did not beat settling for chronic back pain.
In the largest trial of its kind, 401 people with chronic low back pain received structural massage, relaxation massage or usual care. At ten weeks both massage groups had improved about equally, disability scores 2.5 to 2.9 points better than usual care, and the benefit lasted at least six months. The authors found no clinically meaningful difference between the two kinds of massage. That is the reason depth here follows the settling and never replaces it.
- Cherkin DC, et al. (2011). A comparison of the effects of 2 types of massage and usual care on chronic low back pain: a randomized, controlled trial. Annals of Internal Medicine. PubMed