something hit me going through all these mods. Independent of athletic type, be it gymnastics or body building, there seem to be two types of legs. The crushers and the chockers.
The chokers tend to be lean, lithe and cut. Well defined muscles which in their own are amazing. These legs, however, don't ooze that certain power of destruction. A head caught between them is like being leg-cuffed. No way out except though choke-out. Squeezing would cause pain but the clinch would be the choke out.
The crushers are a totally different animal. These legs simply say "skull implosion". Way too big to choke you, these legs are made to squeeze things flat. Even if they caught your neck the result would be the same as with a head. Unbearable pain and the ultimate submission.
The gymnast below strikes me as as having crusher thighs even though one might argue that the above fitness competitor has bigger legs. To me it's mainly a matter of proportions. Therefore many college gymnasts are