Document Type : Original Article
Authors
1
Demonstrator, Department of Biomechanics, Faculty of Physical Therapy, Lotus University, Minya, Egypt.
2
Orthopedic physical therapy department, Faculty of physical therapy, Cairo University, Giza, Egypt
3
Assistant Professor, Department of Musculoskeletal Disorders and its Surgeries , Faculty of Physical Therapy, Cairo University, Giza, Egypt.
10.21608/bptrs.2025.379760.1045
Abstract
Non-specific low back pain (NSLBP) is a prevalent musculoskeletal condition with multifactorial etiology. Age-related reductions in lumbar flexibility may adversely affect functional outcomes in this population. The Modified Modified Schober (MMS) test is a valid and reliable clinical tool for assessing lumbar flexibility, yet, its relationship with age in NSLBP remains unexplored. [Purpose] To investigate the association between age and lumbar flexibility measured by MMS test in NSLBP patients and to assess differences by gender. [Methods] A cross-sectional correlational study included 42 NSLBP patients (21 males, 21 females). The mean age of the female group was 34.9 ± 12.5 years, while the male group had a mean age of 30.76 ± 10.24 years. Lumbar flexibility was assessed using MMS test. Pearson’s correlation analyzed associations between age and MMS test scores, both overall and within each group (p<0.05). [Results] A significant strong negative correlation was found between age and MMS scores (r= -0.654, p=0.001). Subgroup analysis showed a significant stronger correlation in males (r=-0.772) than females (r=-0.443). Yet, it showed no significant difference (p= 0.349). [Conclusion] Advancing age correlates with reduced lumbar flexibility in NSLBP, with gender differences observed, highlighting the importance of age-specific assessment and intervention strategies in physical therapy.
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