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

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