Predicate: flexion

Roleset id: flexion.01 , Tensing a muscle by contraction, vncls: , framnet:

flexion.01: flex.01

Roles:

        Arg0: Agent, flexor
        Arg1: Flexing part, muscle

Example: Arg1

        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns

        Patient is experiencing tenderness at the joint line upon flexion of the knee.

        Rel: flexion
        Arg1: of the knee