Joint Kinetics and Lumbar Curvature During Lifting
Author Information
Author(s): Hwang Seonhong, Kim Youngeun, Kim Youngho
Primary Institution: Yonsei University
Hypothesis
How do different lifting techniques affect lower extremity joint kinetics and lumbar curvature?
Conclusion
The study found that the knee extension during squat lifting is influenced by the hip and ankle joints, while lumbar extension during stoop lifting is influenced by the knee joint.
Supporting Evidence
- The hip and ankle contributed the most to the support moment during squat lifting.
- The knee flexion moment was crucial during stoop lifting.
- Significant correlations were found between lower extremity joint moments and lumbar joint moments during lifting.
Takeaway
When you lift things, how you do it can change how your body moves, especially your knees and back.
Methodology
The study used 3D motion analysis to examine the kinematics and kinetics of lifting techniques in young male volunteers.
Potential Biases
The reflective markers used for motion capture could have been hidden, affecting the results.
Limitations
The study only analyzed two symmetrical lifting techniques and did not include movements in other planes.
Participant Demographics
Twenty-six young male volunteers aged 22 to 24 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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