what is it with legs?

I've really not noticed until doing some photo processing today that there seems to be something with koalas and squashing one back leg up in the most uncomfortable looking way! (see previous and next image). This is Jordan :)

[gayelene]

Great capture

[sally agnew]

Lovely capture :)

[Denise Wood]

definitely a yoga expert :)

[ShirleyB]

Looks most uncomfortable. Must help them balance or hold on.

[gloria jones]

Cute capture, details

[Sally Ings]

They are practicing yoga positions!

[Elisabeth Sæter]

Great shot.

[Rick]

Great capture.

[KoalaGardens🐨]

@onlyme111 @hermann @gilbertwood @shirleybankfarm @seattlite @salza @elisasaeter @rickster549 thank you all!
Shirley maybe it wedges them tight so they won't fall while asleep?

[Margaret Snell]

Looks very uncomfortable, great shot