“…12,16,21,27 The infrapatellar branch pierces the sartorius muscle and turns obliquely to take a subcutaneous course into a subpatellar position at the medial patella. 5,13,27,32 It is at the point of emergence through the subsartorial fascia that the nerve is quite superficial and most mechanically vulnerable. 16 The saphenous nerve may be injured at this location through arthroscopic surgery, 1,[3][4][5][6]12,20,22,23,28,29,32 arterial bypass or venous stripping surgery, 5,7,11,21,23,25,27,30 as well as through trauma 5,8,16,17,23,24,[26][27][28] and compression.…”