2.3. Study Design
This was a randomized, sham-controlled, double-blind trial with a two-group design. The study group was randomly selected using a simple random sampling method and was classified into a high-frequency repetitive transcranial magnetic stimulation combined with the motor learning group (HF-rTMS + ML group) and a sham repetitive transcranial magnetic stimulation combined with the motor learning group (sham rTMS + ML group) before the intervention. This study was approved by the Institutional Review Board of Sahmyook University (2-1040781-AB-N-01-2016071HR). This trial has been registered at ClinicalTrials.gov (registration number: NCT05176613). A total of 35 participants were recruited, and 33 were selected based on the inclusion and exclusion criteria. They were then assigned to either the HF-rTMS + ML group (