{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/399856403"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "First, some muscle other than the hamstring must produce the pronounced hip flexion (in the tapping drill and also in the swing phase of running) Second, when the hip is flexed, only an isometric contraction that maintains the length of the hams is required to produce knee flexion." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "wordpress.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/133758995"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/399856403"] } } }
