In this regard, restricted hip flexor mobility has been clinically defined as the inability of the individual to achieve full hip extension during the modified Thomas test position. ![]() To date, there is no evidence regarding the effect of static stretching exercises for hip flexor muscles on hip ROM, pain, and disability of patients with NSLBP. On this basis, static stretching for anterior hip muscles is occasionally chosen as a treatment option to improve the extensibility of these muscles and reduce excessive mechanical stress to the lumbar spine during particular movements of patients with NSLBP. , hip passive range of motion (PROM) in people with NSLBP is on average 10° lower than that in healthy people. ![]() ![]() Lastly, for patients with NSLBP that are sensitive to spinal extension, tightness of hip flexors may lead to performing spinal movements that bias increased spinal extension, as the patients lack movement options due to their hip extension limitations. In this regards, tightness of hip flexor muscles has been recognized as a risk factor for various musculoskeletal injuries in the lower extremities. Further, a lack of hip extension may be associated with tightness in the hip flexor muscles. Also, it is known that excessive anterior pelvic rotation occurs to compensate for lack of hip extension, and evidence suggests that a limited hip extension may alter the timing mechanism and motor activation of the lumbar spine. Hip range of motion (ROM) is one of the vital movements for the natural load distribution mechanism in the hip and the function and loading of the spine and hip. The emphasis in the past studies has mainly been placed on motor control, endurance, and strength factors in relation to NSLBP, and Limited focus is given on hip mobility and its potential contribution in patients with NSLBP. Recently more attention has been paid to the hip and its potential contributions to NSLBP. Most people experience NSLBP more than once in their lifetime. Nonspecific low back pain (NSLBP) is a common condition, although the mechanisms of its occurrence are still not totally clear. Therefore, it would be reasonable to infer that NSLBP might be partly related to hip flexors tightness. The results demonstrated a significant difference in PROM, pain, and disability after 8 weeks of stretching exercises in participants with NSLBP and limited hip extension. ![]() Such that the ODI, VAS, PROM-R, and PROM-L were showed significant differences before and after the intervention in the experimental group. The results of mixed model analysis of variance indicate that the group × time interactions was not significant (p > 0.05) for all measurement outcomes. The Oswestry low back pain Disability Questionnaire (ODI), visual analog scale (VAS), and passive hip range of motion (PROM) were employed before and after the intervention. The experimental group received 3 stretch practice sessions per week for a period of 8 weeks. Thirty females with NSLBP were randomly assigned to two control (n = 15) and experimental (n = 15) groups. The objective of the study was to verify the effects of static stretching on function, pain and range of motion on patients with non-specific Low Back Pain (NSLBP). The benefits of providing static stretching exercise targeting the hips in patients with non-specific Low Back Pain (NSLBP) are not well established.
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