Patient M.T.F. is a man who underwent orthopedic surgery...

Patient M.T.F. is a man who underwent orthopedic surgery after a fracture of the proximal tibial epiphysis. During the physical therapy evaluation in the late postoperative period, it was identified that the patient is able to move the affected limb against gravity. However, he cannot overcome any further resistance applied to the limb during movement.

In this case, according to the MRC muscle strength assessment scale, this strength should be rated as