Ci talk:1014409122
From Wenlin Dictionaries
Pleco's PLC defines 小腿 as "shank; lower leg" and Key says "lower leg; shin; shank".
ABC and Key agree that 小腿肚 is "calf".
See also the following definitions of 小腿 and 小腿肚.
https://www.moedict.tw/~%E5%B0%8F%E8%85%BF
https://www.moedict.tw/~%E5%B0%8F%E8%85%BF%E8%82%9A
So I changed the ABC definition of 小腿 from "calf" to "lower part of the leg (from knee to ankle)".