IRCT20200204046368N11 IRCT 2023-06-03 Arak university Exercise therapy and chronic back pain The effect of Egoscue and NASM exercises with abdominal draw-in maneuver on pain and lumbar lordotic angle in women with chronic back pain 2023-06-20 anticipated 75 Complete https://irct.ir/trial/69332 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: 10 cards, marked "A" for Egoscue, 10 cards marked "B" for NASM, and another 10 cards, marked "C" for the control group, will be placed in an opaque envelope. Each participant draws a card that represents the group for that person. A researcher who is not involved in the interventions will divide the participants into random groups, Blinding description: The researcher that does laboratory tests was not aware of the allocation of study groups. The data analyzer will not be aware of the group's classification. The information about the groups will be provided to the data analyzer in the form of numbers 1, 2, and 3 and for each participant with a code. N/A Condition 1: Chronic Non-Specific Low Back Pain. Condition 2: Lordosis. Intervention 1: Intervention group: The Egoscue group will perform the Egoscue exercises along with the Abdominal Drawing-in Maneuver for eight weeks and three sessions per week. Egoscue exercises stretch and strengthen the muscles in order to correct the position of the spine and pelvis. These corrective exercises are designed with a focus on correcting the posture of the entire body. Abdominal Drawing-in Maneuver (ADIM) is a method that is often used to voluntarily activate the muscles of the abdominal area and eliminate the functional disorder of these muscles. Intervention 2: Intervention group: NASM exercises include 4 stages: Inhibitory technique, Muscle lengthening techniques, Activation technique, and Coherence techniques. This group will do exercises along with the Abdominal Drawing-in Maneuver for eight weeks and three sessions a week. Intervention 3: Control group: During the whole period of eight weeks, the control group will have their usual routine of life. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is No further information available.