A 50-year-old male patient with history of pelvic fracture presented to the OPD with difficulty in walking downstairs and frequent falls due to knee buckling. Patient also complains of medial leg and calf muscle numbness. The cause of the above condition was found to be mononeuropathy of the dorsal division of the ventral primary rami of L2, L3 and L4 nerves. All of the following muscles can be affected except: -