Plzz explain ''Bucket Handle '' movement of ribs - Biology - Locomotion and Movement

Question

Plzz explain ''Bucket Handle '' movement of
ribs

Fakeha Anis · Accepted Answer

Bucket handle movement of ribs refer to the lateral movement of
lower ribs (raising and lowering of the middle ribs) when they are
elevated during inspiration just like a bucket-handle; thereby,
increasing the transverse diameter of the thorax

Plzz explain ''Bucket Handle '' movement of ribs.