I looked up it was 跖球, But I think it's a medical vocabulary. Is there more popular word?
PS: Why is it called a ball?
I looked up it was 跖球, But I think it's a medical vocabulary. Is there more popular word?
PS: Why is it called a ball?
From Dictionary.com:
ball of foot n.
The padded portion of the sole of the human foot between the toes and the arch, on which the weight of the body rests when the heel is raised.
To find the proper translation of "balls of feet", I looked for articles discussing this mostly in context of proper running techniques, and jump roping.
Sites used: (1), (2), (3), (4), (5), (6), (7).
Conclusion:
"balls of feet" is typically referred to as 腳尖 and or 前腳掌.
Difficult!
How about 脚球?(开玩笑)
The bones you are talking about are the 跖骨
https://baike.baidu.com/item/%E8%B7%96%E9%AA%A8/4055417?fr=aladdin
Can't really find a word for 'the ball of your foot', seems it is not a Chinese thing. The second joint of your thumb has no real common name in English either.