Assertion: bursitis | /r/CapableOf | occur under the shoulder muscles
Facets:
value: at the elbows
type: LOCATION
value: usually
type: TEMPORAL
Source sentences:
text: Bursitis usually occurs under the shoulder muscles, at the elbows (called epitrochlear bursitis or "tennis elbow"), the hip sockets (called trochanteric bursitis), heel bones (called retrocalcaneal bursitis) or the kneecaps (called infrapatellar bursitis or "housemaid's knee").