Quiz #8 Flashcards
Rectus femoris origin
Anterior inferior iliac spine (AIIS)
Rectus femoris insertion
Tibial tuberosity
Rectus femoris action
Hip flexion
Knee extension
Anterior pelvic rotation
Vastus intermedius origin
Anterolateral side of femur
Vastus intermedius insertion
Tibial tuberosity
Vastus intermedius action
Knee extension
Vastus lateralis origin
Anterolateral side of femur
Vastus lateralis insertion
Tibial tuberosity
Vastus lateralis action
Knee extension
Vastus medialis origin
Anteromedial side of femur
Vastus medialis insertion
Tibial tuberosity
Vastus medialis action
Knee extension
Biceps femoris origin
Long head: ischial tuberosity
Short head: linea aspera
Biceps femoris insertion
Lateral condyle of tibia and fibular head
Biceps femoris action
Hip extension Hip external rotation Knee flexion Posterior pelvic rotation Knee external rotation
Semimembranosus origin
Ischial tuberosity
Semimembranosus insertion
Posteromedial tibial condyle
Semimembranosus action
Hip extension Hip internal rotation Posterior pelvic rotation Knee flexion Knee internal rotation (when flexed)
Semitendinosus origin
Ischial tuberosity
Semitendinosus insertion
Pes anserine
Semitendinosus action
Hip extension Hip internal rotation Posterior pelvic rotation Knee flexion Knee internal rotation (when flexed)
Popliteus origin
Lateral condyle (of femur)
Popliteus insertion
Upper medial posterior tibia
Popliteus action
Knee flexion (“unlocks” knee) Internal rotation of knee as it flexes
