All participants provided written informed consent and are assigned to Group A or Group B. The inclusion criteria are Exclusion criteria are~Abdominal drawing-in maneuver exercise is following as:~It's for strengthening the Transversus Abdominis muscle(TrA). The simple device, that observes the pressure changes by the gauge. Subjects receive intervention 2 times a week for 4 weeks. Each session is 40 minutes. From the supine position to the hook-lying position (hip joint at 40 degrees and the knee joint at 80 degrees) and pull the navel deeply to the lumbar region through the Stabilizer™ Pressure Biofeedback that stabilizes transversus abdominis muscle. At this time, subjects are controlled to maintain contraction while keep breathing lightly, to contract slowly, also to not move the pelvis and chest while exercising The device assists in body control movements of the spine and abdominal muscle.~Conventional physiotherapy is following as:~Release pain, limb stretching, mobilization of joint and pelvic movement. Subjects receive 2 times a week for 4 weeks. Each session is 40 minutes. Group A received Abdominal drawing-in maneuver exercise for 4 weeks on period 1. Afterward washout period in a month, follow period 2 of conventional physiotherapy.~On the other side, Group B receives first conventional physiotherapy on period 1. Afterward washout period in a month, follow period 2 of Abdominal drawing-in maneuver exercise.
This study is performed in a controlled randomized, two-period crossover design to test the efficacy of Abdominal drawing-in maneuver (ADIM) exercise compared to conventional physiotherapy in chronic stroke survivors.