The above is a handy mnemonic for the bones of the wrist, also know as the carpals, or carpal bones:

     Scaphoid Lunate Triquetrum Pisiform
Trapezium Trapezoid Capitate Hamate

From radial to ulnar, proximal to distal (look at your right hand, palm down, and start on the thumb side.
Go across four (Scaphoid Lunate Triquetrum Pisiform,) then back to the thumb side.

Or, in a pathetic attempt at an ASCII diagram:


          |                        |
          |                        |
         (                          \    
        /  Some Lovers Try Positions  )      
      /                                |
     /     That They Can't Handle      |         
   %%                                  |   
%%%                                    |     
       /|                              |       
     /  |                              |        
___%    |                              |       
        |       |       |        |     |        
        }       }       |        |     |

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