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Static and Dynamic Motor Control in Active Young Adults: Associations with Oswestry Disability Index and Functional
Julio Martín-Ruiz1, Iván Chulvi-Medrano2
1Department of Health and Functional Assessment, Catholic University of Valencia, 46900 Valencia, Spain.
Healthcare (Basel, Switzerland)
|May 13, 2026
Summary
In physically active young adults, better trunk endurance correlated with less low back pain (LBP) disability. Movement patterns showed weaker links, highlighting endurance as a key factor for lumbar health.
Area of Science:
- Biomechanics
- Musculoskeletal Health
- Sports Medicine
Background:
- Low back pain (LBP) is a significant cause of disability, especially in young adults.
- Reduced trunk endurance and altered movement patterns are linked to lumbar issues and functional deficits.
- The relationship between these factors in active individuals with minimal disability requires further investigation.
Purpose of the Study:
- To explore the concurrent relationships between trunk endurance, movement patterns, and lumbar-related disability in physically active university students.
- To characterize lumbar function in an active young adult population with minimal reported disability.
Main Methods:
- Cross-sectional study of 71 physically active university students (mean age ~23).
- Trunk endurance assessed via McGill isometric tests.
- Movement patterns evaluated using Functional Movement Screen (FMS) tasks focusing on lumbopelvic control; total scores and asymmetries recorded.
- Lumbar disability measured by Oswestry Disability Index (ODI).
Main Results:
- The average Oswestry Disability Index (ODI) was low (~4%), indicating a potential floor effect.
- Higher trunk endurance was associated with lower ODI scores.
- The association between total Functional Movement Screen (FMS) score and ODI was weak and not statistically significant after adjustment.
- Inline Lunge asymmetry showed a tentative association with higher ODI, though this requires cautious interpretation due to small sample size.
Conclusions:
- Trunk endurance and specific movement patterns offer complementary insights into lumbar function in active young adults.
- Observed associations between these measures and lumbar-related disability were modest.
- Findings should be interpreted with caution due to the study's exploratory nature and sample characteristics.

