This was a 9-month study on the effects of spinal manipulative therapy as a treatment for obstructive pulmonary disorders, there was a progressive decline in the severity of the condition. The average reduction in severity was approximately 10.7%. All of the patients were noted as having costotransverse dysfunction at the level of T3, as well as T2 being noted in patients with asthma. Joint motion between T3/T4 was restricted. Local tissue was edematous and tender to palpation.
Howell RK, Allen TW, Kappler RE. J Am Osteopath Assoc. 1975 (Apr) ; 74 (8): 757-760