Umlenze
Umlenze uyilungu eliithwala isinzima somzimba futhi eliwumhlakahlo wokuhamba, ngokuvamile unomumo wensika. Lapho umuntu ehamba, imilenze isebenza "njengozime olunwebekayo". [1] Inhlanganisela yokunyakaza kuwo wonke amalungu inganongolozwa njengelungu elilodwa, eliqondile elikwazi ukushintsha ubude nokujikeleza kwelungu lenqulu elisiqondoningi.
- ↑ Gray, J. (1944). "Studies in the Mechanics of the Tetrapod Skeleton". Journal of Experimental Biology. Biologists.org. 20 (2): 88–116. Bibcode:1944JExpB..20...88G. doi:10.1242/jeb.20.2.88. Kulandwe ngomhlaka 21 September 2010.