en Orthopedic Surgery Orthopedic Surgery case report case report <font face="Times New Roman" size="3"> </font><p class="MsoNormal" style="margin: 0in 0in 10pt text-align: justify text-justify: inter-ideograph"><font size="3"><font face="Calibri">Habitual dislocation of the hip (HDH) in children is a rare entity and can be a causative factor for popping or snapping hip which is a common problem in children with good prognosis. We report a case of HDH in a 9 year old girl who was suffering from frequent snapping hip at night, its course and treatment process.<o:p /></font></font></p><font face="Times New Roman" size="3"> </font> Dislocation, Hip, Child. 69 71 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-616&slc_lang=en&sid=1 Farid Najd Mazhar fnajdmazhar@yahoo.com 200319475328460013002 200319475328460013002 Yes Shafa Yahyaian Rehabilitation Center, Iran University of Medical Sciences, Tehran, Iran. Mohammad Taghi Ghazavi ghazavi@yahoo.com 200319475328460013003 200319475328460013003 No Shafa Yahyaian Rehabilitation Center, Iran University of Medical Sciences, Tehran, Iran. Davod Jafari d_jafari@tums.ac.ir 200319475328460013004 200319475328460013004 No Shafa Yahyaian Rehabilitation Center, Iran University of Medical Sciences, Tehran, Iran. Kaveh Gharanizadeh kavehgharani@gmail.com 200319475328460013005 200319475328460013005 No Shafa Yahyaian Rehabilitation Center, Iran University of Medical Sciences, Tehran, Iran.