Assertion: patella | /r/CapableOf | slip in case
Facets:
value: out of the patellofemoral groove
type: OTHER
Source sentences:
text: In some cases, the patella slips out of the patellofemoral groove partially (Patellar Subluxation) or totally (Patellar Dislocation) – causing severe pain and affecting the movement of the knee joint.