Describir: Gender differences in exerted forces and physiological load during pushing and pulling of wheeled cages by postal workers

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