أرسل هذا في رسالة قصيرة: Effects of tandem walk and cognitive and motor dual- tasks on gait speed in individuals with chronic idiopathic neck pain: a preliminary study

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