1. 足跟后缘至中趾根部为10寸(图1)。

2. 足跖面第1跖趾关节内侧赤白肉际至第5跖趾关节外侧赤白肉际为5寸，足背部亦同此(图1)。

3. 足跟部最宽处距离为3寸(图1)。

4. 足内、外踝高点至足底为3寸(图2)。

1. From the posterior border of the calcaneal region to the base of the third toe is 10 cun (Fig. 1).

2. From the medial side of the first metatarso-phalangeal joint, at the junction of the red and white skin, to the latenal sie of the fifth metatarso-phalangeal joint, is 5 cun. It's the same on both dorsum and plantar side of the foot (Fig. 1).

3. The width of the calcaneal region is 3 cun (Fig. 1).

4. From the plantar region of the foot to both the prominence of medial and external malleolus (Fig. 2).

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