並前往https://books.google.com.tw/books?id=yrrzAgAAQBAJ&pg=PA33&lpg=PA33&dq=Muscle+and+strength+ptt&source=bl&ots=YXEpZ8q7qE&sig=ACfU3U2HHdTsgGWGaYrFMg5XShXtIFHqkg&hl=zh-TW&sa=X&ved=2ahUKEwjkppP04_D9AhU1gVYBHWFlB44Q6AF6BAgqEAM