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

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