The goal of this clinical trial is to compare the HIIT with MICT in chronic non-specific low back pain patients. The main questions it aims to answer are:
* The broad aim of the study is to compare HIIT with MICT in pain reduction in chronic non-specific low back pain patients.
* The purpose of this research is to compare HIIT with MICT on disability and quality of life among chronic non-specific low back pain patients.
* It also attempts to investigate the relationship between the baseline attributes and outcome variables.
Researcher will compare the HIIT to MICT to see the effects on CNSLBP
Participants will be:
* Allocated to HIIT or MICT group for 6 weeks.
* Assessed pre and post intervention.
* Continuously monitored during treatment sessions.