Assertion: bicep femoris | /r/HasAspect | two heads
Facets:
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.
text: Biceps femoris: The most lateral of the hamstrings, the biceps femoris has two heads: the long and the short.