Effectiveness of Different Weekly Frequency of Modified Pilates Method Exercises in the Treatment of Chronic Nonspecific Low Back Pain

Combination of an educational booklet with exercises of the Pilates method. Patients will receive 6 sessions of treatment over a period of 6 weeks (1 session/week). The exercises of the Pilates method will be individualized to each patient´s needs (pragmatic treatment).

Combination of an educational booklet with exercises of the Pilates method. Patients will receive 12 sessions of treatment over a period of 6 weeks (2 sessions/week). The exercises of the Pilates method will be individualized to each patient´s needs (pragmatic treatment).

Combination of an educational booklet with exercises of the Pilates method. Patients will receive 18 sessions of treatment over a period of 6 weeks (3 sessions/week). The exercises of the Pilates method will be individualized to each patient´s needs (pragmatic treatment).

Patients will receive an educational booklet containing information about the anatomy of the spine and pelvis and the low back pain and recommendations regarding posture and movements involved in activities of daily living. The participants in this group did not receive additional exercise.