Standing up, a evelution debate... oooo... aaaa...

[killer900]

by the way read the "publisher's weekly" review it says "Other anatomical developments related to bipedalism include strong upper leg and gluteal muscles"

Note: gluteal muscles mean your butt.

 

[Master.America]

No, it means gluteus maximus and gluteus medialis.

 

[Jason]

Ahaha, you said butt..