Anatomy,
Morphology and Function of the Tensor of Vastus Intermedius: A Systematic Review: Schematic representation of the different types of the tensor of vastus intermedius and its variations with respect to interactions with the VI and VL. (a) Independent type, (b) common type, (c) VI type, (d) VL type, (e): multiple heads, VI: vastus intermedius, VL: vastus lateralis.