Korean J Sports Med.  2011 Jun;29(1):43-48. 10.5763/kjsm.2011.29.1.43.

The Effect of Arch Pad on Ankle Kinematics during Running

• Kim HY

• KMID: 2054007
• DOI: http://doi.org/10.5763/kjsm.2011.29.1.43

Abstract

The purpose of this study was to evaluate the change in three-dimensional (3D) ankle joint kinematics on the arch pad. Ten male subjects performed running trials on treadmill, and ten motion capture system were used to record a position data of the reflected markers on the lower limb. Two conditions (no support and support: arch pad) were compared with the joint angles which were analyzed by the Cardan method. As a result, ankle joint eversion angles with support shoe (-6.5degrees+/-2.5degrees) were significantly lower than that with no support shoe (-10.2degrees+/-3.2degrees) (p<0.01). Nevertheless, differences in ankle joint dorsiflexion and abduction angles were not significantly different between support (20.1degrees+/-3.1degrees, -2.5degrees+/-1.9degrees) and no support shoe (20.4degrees+/-3.4degrees, -2.4degrees+/-2.1degrees) (p>0.25, p>0.11). Shoes with medial arch support or using special shoe inserts may help correct one's running form by reducing pronation and may reduce risk of running injury.

Keyword

Arch pad; 3D ankle joint angle; Running

MeSH Terms

Animals
Ankle
Ankle Joint
Biomechanics
Humans
Joints
Lower Extremity
Male
Pronation
Running
Shoes

Figure

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  Fig. 1. Method to measure rear foot (subtalar joint) motion.

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  Fig. 2. Decisions of arch pad position.

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  Fig. 3. Changes of 3D ankle joint angles (n=10) during stance phase of treadmill running. Running time in each subject is normalized as 100%. Lines of each graph are mean and standard deviation.

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  Fig. 4. Comparisons of 3D ankle joint angles (dorsiflexion (A), eversion (B), and abduction (C)) in the shoes with a medial arch support and no support. ns: not significant.∗p＜0.01.

Reference

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