NCT02374970.

Trial name or title	Transversus abdominis muscular training and chronic low back pain
Methods	RCT
Participants	Participants with chronic low back pain
Interventions	Experimental: actual lumbar stability exercises involving co‐contraction of the transversus abdominis and protocolised physiotherapy Active comparator: protocolised physiotherapy treatment: therapeutic exercises and thermotherapy
Outcomes	Primary outcome: change in transversus abdominis muscle thickness
Starting date	Feb 2015
Contact information	Edurne Villar‐Mateo
Notes	—