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Correlation Analysis Between Hip Internal Rotation Range and Plantar Pressure During Standing And Walking
Ziyang Yang1, Chen Yan1, Xiaocong Yan1
1aGraduate School, Harbin Sport University, Harbin 150008, PR China.
Journal of the American Podiatric Medical Association
|April 16, 2025
Summary
Reduced hip internal rotation (HIR) in football players is linked to increased lateral plantar pressure. Improving HIR may help treat foot conditions and prevent stress fractures.
Area of Science:
- Biomechanics
- Sports Medicine
- Podiatry
Background:
- Football players with fifth metatarsal stress fractures often exhibit reduced hip internal rotation (HIR) and increased lateral forefoot pressure.
- Previous research indicates a potential link between these two factors.
Purpose of the Study:
- To investigate the relationship between hip internal rotation (HIR) range of motion and lateral plantar pressure in college students.
- To determine if reduced HIR is associated with increased lateral plantar pressure.
Main Methods:
- 120 college students (60 males, 60 females) participated.
- Hip internal rotation (HIR) was measured using smartphone inclinometer and compass apps.
- Plantar pressure was assessed using the Gaitview® AFA-50 system during standing and walking.
- Correlation analysis was performed using SPSS 27.0.
Main Results:
- A significant negative correlation was found between HIR and lateral plantar pressure at the metatarsophalangeal joints (MTPJ2-4, MTPJ5), midfoot (FM), and lateral heel (LH) during both standing and walking.
- Reduced HIR was also associated with increased pressure on the first toe (T1) during standing.
- These correlations were consistent in both prone and supine positions for HIR measurement.
Conclusions:
- A significant negative correlation exists between hip internal rotation (HIR) and lateral plantar pressure.
- Reduced HIR is associated with increased lateral plantar pressure, suggesting a biomechanical link.
- Targeted rehabilitation to improve HIR may offer a non-surgical approach for conditions like little toe capsulitis and help prevent fifth metatarsal stress fractures.
