<unk>  <unk>  is a medical term referring to a fracture through the epiphyseal growth plate.
The<unk>  (head of the femur) should sit squarely on the<unk>  neck. Abnormal movement along the growth plate results in the slip. The<unk>  head is displaced posteriorly and inferiorly in relation to neck of femur. Despite its rarity, it needs to be addressed immediately for the fear of avascular necrosis.
Often this condition will present in obese prepubescent males, especially young black males, and sometimes females with an insidious onset of thigh or knee pain with a painful limp. Hip motion will be limited, particularly internal rotation.
The Centers for Disease Control offers a body mass index (BMI) calculator to help you determine your risk for obesity. 
The disorder can sometimes be associated with endocrinopathies such as thyroid problems.
Slipped capital femoral epiphysis
Retrocalcaneal bursitis
Dislocated patella
Calcaneal fracture
Acromioclavicular separation
Chondromalacia patellae
Synarthrosis
Olecranon bursitis