Background Biceps femoris long head (BFlh) proximal aponeurosis (PA) size appears to be highly variable between individuals (Handsfield et al., 2010) and may not be proportional to muscle size and ...
We propose that this posterior aponeurosis of the distal myotendinous junction of rectus femoris may be analogous to the low MRI signal seen peripherally in the long and short heads of biceps femoris ...