I always thought that lifetimes of being waited on hand and foot led their legs to atrophy and become useless. This made them more dependent on slavery, so their legs atrophied more, so they were more dependent on slavery etc.
Also, bear in mind that while they need their hands to walk, they are still (probably) functional as hands. If a Glukkon finds somewhere to sit down, they can probably be quite dextrous.
|