Old pt complaining of back pain on walking on examination there was stiffness of the muscle and there was some finding on the X-Ray of spondyloarthropathy best effective ttt

Old pt complaining of back pain on walking on examination there was stiffness of the muscle and there was some finding on the X-Ray of spondyloarthropathy best effective ttt:
a. Physiotherapy
b. NSAID
c. Surgery