Abbreviation:<unk> 
Most common cause of hip disability in adolescents
Head of femur displaces from<unk> 
Common complications: avascular necrosis of<unk>  head (increased risk with high grade slip), arthritis
Obesity
Black race
Male sex (male:female 3:1)
Times of high growth velocity (male growth spurt, around 13 years; female growth spurt, around 11 years)
Left hip more common
Endocrine disorders
Hypothyroid common
High clinical concern for<unk>  in children less than <10 yrs of age
Hypothyroid common
High clinical concern for<unk>  in children less than <10 yrs of age
Slipped capital femoral epiphysis
Acute rheumatic fever
Interphalangeal dislocation 
Developmental dysplasia of hip
Lens dislocation
Femur fracture
Calcaneus fracture
Juvenile idiopathic arthritis