Assertion: fibula's head | /r/HasAspect | its origin
Facets:
value: on the ischial tuberosity
type: LOCATION
value: with the semitendinosus
type: OTHER
Source sentences:
text: The biceps femoris has two heads: The long head has its origin on the ischial tuberosity together with the semitendinosus and acts on two joints.