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This study showed that gender has a bigger impact on length, width, height and girth parameters of foot than BMI or age. BMI has an impact on both arch height and stiffness. Besides, bilateral asymmetry affects values of height parameters of foot and arch.

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Asthma knowledge and medication compliance among parents of 150 asthmatic children in Nanjing were assessed using a self-administered questionnaire. The results showed that 54.7% of parents had poor knowledge of asthma and its management. Parental compliance with medication was also suboptimal as only 43.3% of parents reported adherence with prescribed anti-asthmatic medication for their children. Reasons for non-compliance included fear of medication side-effects and tolerance, and forgetting to give the child's medication. Education and occupation were found to be associated with asthma knowledge, however there was no association between age or income with knowledge. Income was associated with compliance with asthma medication, however no association was found between parents' age, education, occupation, or asthma knowledge with compliance. This study has identified the need for accurate and up-to-date information on asthma for parents of asthmatic children as well as programs aimed at teaching parents skills in managing their child's asthma. There is also the need for strategies aimed at improving communication between the health provider and parents of asthmatic children.

Differences in arch height may have a certain impact on lower extremity muscle strength and physical performance. However, there is little evidence from investigation of the possible correlation of arch height with ankle muscle strength and physical performance measures. Sixty-seven participants took part in this study. Arch height index (AHI) was assessed and categorized using a 3-dimension foot scanner. Ankle muscle strength was measured employing a dynamometer. Physical performance measures including agility, force and proprioception were randomly tested. Compared to the medium AHI, the high AHI had lower plantarflexion and inversion peak torque. The high AHI also had lower peak torque per body weight value for plantarflexion and inversion at 120°/s (P = 0.026 and 0.006, respectively), and dorsiflexion at 30°/s (P = 0.042). No significant ankle muscle strength difference was observed between the low and medium AHI. Additionally, AHI was negatively correlated with eversion and inversion peak torque at 120°/s, and negatively associated with plantarflexion, eversion and inversion peak torque per body weight at both 30°/s and 120°/s (r ranged from -0.26 to -0.36, P values < 0.050). However, no significant relationship was found between arch height and physical performance measures. The results showed that high arches had lower ankle muscle strength while low arches exhibited greater ankle muscle strength. Arch height was negatively associated with ankle muscle strength but not related to physical performance. We suggest that the lower arch with greater ankle muscle strength may be an adaptation to weight support and shock absorption.