निम्नमुन्नतपृष्ठं च व्याभुग्नांसं श्लथं क्वचित् आभुग्नं तदुरो ज्ञेयं कर्म चास्य निबोधत ॥ २२५॥
The breast that is low and high at the back, sometimes bent and slack, is known as Ābhugna. This is to be understood as such, and its usage is as follows.
english translation