Evaluation of the relationship between the static measurement of transverse arch flexibility of the forefoot and gait parameters in healthy subjects.
Takashi Kondo, Takeshi Muneta, Tsutomu Fukui
PMID 28356622WHAT IT FOUND
In 20 healthy subjects, forefoot arch change from standing to a loaded ankle dorsiflexion posture was related to gait forces, ankle plantar flexion moment and hip extension angle.
Sitting-to-standing arch change was not related to gait values.
Key findings
01The change in forefoot transverse arch width from standing to the loaded ankle dorsiflexion condition was significantly correlated with anterior and posterior ground reaction force components (r=0.54 and r=0.56) and hip extension angle (r=0.40).
02The change in forefoot transverse arch height from standing to the loaded ankle dorsiflexion condition was significantly correlated with ankle plantar flexion moment (r=-0.46).
03The changes in forefoot transverse arch width and height from sitting to standing were not significantly correlated with joint angle, joint moment, joint power or ground reaction force during gait.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study included only 20 healthy subjects, 10 men and 10 women, with no lower extremity pain or disorders, so it does not show what would happen in patients with foot deformities or elderly people with gait difficulty. All measurements were made on the dominant foot only, so side-to-side differences were not examined. The gait task was barefoot walking at 110 steps/min, and the study analyzed gait performance only, not sports performance or other human body motion. The authors state that further research with elderly individuals and patients with foot deformities is needed.
The easy way to misread this
Do not use these correlations to diagnose or treat foot or gait problems. The study included only 20 healthy subjects and measured relationships between arch change and walking values, not whether an arch change causes a gait problem.