​surgery Definition – What are the major difference between above knee amputation and below knee amputation?

​surgery Definition – What are the major difference between above knee amputation and below knee amputation?
The level of amputation is different. Above knee amputation is performed above knee while below knee amputation is performed below knee. Besides that, in above knee amputation, the flaps are of equal length while below knee amputation the flaps are of long posterior flap with less vascularized anterior flap.