sbarrett4 wrote:
AdrienVeidt wrote:
Nope, sorry, man; there's no swivel motion between the ankle and knee. In many people the fibula doesn't even come all the way down to connect to the ankle to form the radius/ulna relationship of the forearm, with the tibia being far too thick and necessary for simply holding the body up to permit twisting like in the forearm bones.
I've never heard this before. My anatomy classes taught me that the fibula was the attachment point for three ligaments that provide lateral support for the ankle and the lateral malleolus of the ankle mortise - along with the medial malleolus (tibia) and talus (center). You are correct that they don't rotate as the radius and ulna do.
Yah, the ligaments still connect, but they connect across a gap where the bones have no contact. In some people the gap can be as wide as 3 inches, from what I've seen. The fibula is one of those evolutionary holdovers that's gradually fading away due to lack of use.