Text this: A principal component analysis approach to correcting the knee flexion axis during gait

  _  __    _____    _    _    _    _     ______  
 | |/ //  |  ___|| | |  | || | || | ||  /_   _// 
 | ' //   | ||__   | |/\| || | || | ||  `-| |,-  
 | . \\   | ||__   |  /\  || | \\_/ ||    | ||   
 |_|\_\\  |_____|| |_// \_||  \____//     |_||   
 `-` --`  `-----`  `-`   `-`   `---`      `-`'