ABSTRACT:

Background: The back extensor endurance is important to maintain ideal posture . There is paucity if literature on back extensor endurance in subject with chronic low back pain in middle age female population.

Objective: of our study was to compare the back extensor endurance in middle aged females with and without chronic low back pain and correlating it with the Oswestry disability index .

Methodology: Total 30 participants were taken, 15 in each group . Biering Psorensons tests and Oswestry disability index was performed .

Result: Subjects without low back pain had significantly better endurance (p<0.0004). Significant negative correlation (p<0.0099) was found between back extensor endurance and Oswestry disability index.