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      8. Sitting height 
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        Definition:  | 
        
         
        Vertical distance from the sitting surface 
        to the vertex (i.e. the crown of the head). ¡@  | 
       
      
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        Applications: | 
        
         
        
        Clearance required between seat and overhead obstacles. 
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        Corrections:  | 
        
         
        10mm for heavy outdoor 
        clothing beneath the buttocks; variable amount for seat compression; 
        25mm for a hat; 35mm for a safety helmet. 
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        Sitting height 
         
        (mm)  | 
        
         
        Men  | 
        
         
        Women  | 
       
      
        | 
         
        5th %ile  | 
        
         
        50th %ile  | 
        
         
        95th %ile  | 
        
         
        SD  | 
        
         
        5th %ile  | 
        
         
        50th %ile  | 
        
         
        95th %ile  | 
        
         
        SD  | 
       
      
        | 
          
  | 
        
         
        Hong Kong  | 
        
         845  | 
        
         900  | 
        
         955  | 
        
         34  | 
        
         780  | 
        
         840  | 
        
         900  | 
        
         37  | 
       
      
        | 
          
  | 
        
         
        British, 
        Aged19-65 years  | 
        
         850  | 
        
         910  | 
        
         965  | 
        
         36  | 
        
         795  | 
        
         850  | 
        
         910  | 
        
         35  | 
       
      
        | 
          
  | 
        
         
        US, 
        Aged19-65 years  | 
        
         855  | 
        
         915  | 
        
         975  | 
        
         36  | 
        
         800  | 
        
         860  | 
        
         920  | 
        
         36  | 
       
      
        | 
          
  | 
        
         
        Japanese 
        adults  | 
        
         850  | 
        
         900  | 
        
         950  | 
        
         31  | 
        
         800  | 
        
         845  | 
        
         890  | 
        
         28  | 
       
     
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    8/35  |