Quadriceps FemorisThe quadriceps femoris is made up of 4 muscles that share an attachment site on the tibia. They are rectus femoris, vastus intermedius, vastus medialis, and vastus lateralis. Below is the study aid for massage therapy students for this muscle group.
Rectus FemorisOrigin is anterior inferior iliac spine.Insertion is tibial tuberosity. Actions--extends knee and flexes hip. It crosses 2 joints, the hip and knee and the vastus intermedius is underneath it.
Vastus IntermediusOrigin is anterior lateral femoral shaft.Insertion is tibial tuberosity. Action --extends knee.
Vastus MedialisOrigin is linea aspera.Insertion is tibial tuberosity. Action--extends knee.
Vastus LateralisOrigins are linea aspera and gluteal tuberosity.Insertion is tibial tuberosity. Action--extends knee.
Return from Quadriceps Femoris to Muscles
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