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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