DOI:
        10.1055/s-00031934
      
      
        The Journal of Hip Surgery
      
      
        
          
            Issue 04 ·
           Volume 05 ·
           December 2021
            
          
           DOI: 10.1055/s-011-52335 
          
          
          
        
        
  
  
  
  
  
  
    
  
  
  
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
  
    
  
    
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
        
          
            
              
              
              
                
                  
                    
                    
                      
                          
                          
                            
                            Original Article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        127
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Zak, Stephen G.; 
              
            
          
            
              
              Bernstein, Jenna; 
              
            
          
            
              
              Tang, Alex; 
              
            
          
            
              
              Slover, James; 
              
            
          
            
              
              Schwarzkopf, Ran; 
              
            
          
            
              
              Rozell, Joshua: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        135
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Schutte, Harold Del; 
              
            
          
            
              
              Navarro, Sergio M.; 
              
            
          
            
              
              Shaikh, Hashim; 
              
            
          
            
              
              Barfield, William R.; 
              
            
          
            
              
              Conrad, Jeffrey; 
              
            
          
            
              
              Romero, Neil; 
              
            
          
            
              
              McTighe, Tim: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        141
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Driesman, Adam; 
              
            
          
            
              
              Buchalter, Daniel; 
              
            
          
            
              
              Kirby, David J.; 
              
            
          
            
              
              Wake, Nicole; 
              
            
          
            
              
              Castaneda, Pablo: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        147
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Jiang, Melinda; 
              
            
          
            
              
              Inglis, Mark; 
              
            
          
            
              
              Morris, David; 
              
            
          
            
              
              Eardley-Harris, Nathan; 
              
            
          
            
              
              Wilson, Christopher J.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        152
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Gordon, Adam M.; 
              
            
          
            
              
              Malik, Azeem Tariq: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Case Report
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        165
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Mahmoud, Ahmed Nageeb; 
              
            
          
            
              
              El-Husseini, Timour F.; 
              
            
          
            
              
              Osman, Wael S.; 
              
            
          
            
              
              Maziad, Ali M.: