Periodized Resistance and Aerobic Training in Non-Specific Chronic Low Back Pain

"Thirty-eight male and female patients aged 18-45 years, diagnosed with NSCLBP will be recruited through direct referrals from orthopedic surgeons, based on their availability to participate, thus a sample of convenience will be used, Participants will be randomly assigned as follows:~Group A:~Patients in group (A) (n=19) will receive a periodized resistance exercise program.~Group B:~The patients in group (B) (n=19) will receive a periodized aerobic exercise program"