2.4. FR Exercise
TKA
Our TKA protocol performs wound extraction in the second postoperative week. After the physical therapist confirmed there were no problems with the wound, a roller massager (TheraBand, Akron, OH, USA) was used in the second postoperative week after the extraction. FR was performed for 60 s each in the order of anterior thigh, medial thigh, and lateral thigh without a break, starting from a site 5 cm above the nearest edge of the surgical wound toward the hip joint, in accordance with a previous study [