Isometric endurance of the back extensors in school-aged adolescents with and without low back pain.

Background And Objective: Studies on back extensor endurance in adolescents are scarce. This study sought to establish reference data and pattern of back extensor endurance in school-aged adolescents with and without low-back pain (LBP) from Nigeria.

Subjects And Methods: This study recruited 625 adolescents aged 11 to 19 years from eight randomly selected secondary schools.