Movements of the knee Flashcards
Muscles involved in the movement of the knee
Name the muscles involved in the flexion of the knee
Biceps femoris LH, biceps femoris SH, semitendinosus, semimembranosus, gracilis, sartorius, gastrocnemius, popliteus
Name the origin and insertion of the biceps femoris LH
Origin: ischial tuberosity
Insertion: head of fibula
Name the origin and insertion of the biceps femoris SH
Origin: linea aspera + lateral femoral condylar line of femur
Insertion: head of fibula
Name the origin and insertion of the semitendinosus
Origin: ischial tuberosity
Insertion: superior medial of tibia
Name the origin and insertion of the semimembranosus
Origin: ischial tuberosity
Insertion: posterior medial condyle of tibia
Name the origin and insertion of the gracilis
Origin: body + inferior ramus of pubis
Insertion: superior medial of tibia
Name the origin and insertion of the sartorius
Origin: ASIS
Insertion: Superior medial tibia
Name the origin and insertion of the gastrocnemius
Origin: popliteal surface of femur (superior to medial condyle) + lateral aspect of lateral condyle
Insertion: tendocalcaneus
Name the origin and insertion of the popliteus
Origin: lateral condyle of femur
Insertion: popliteal area of tibia
Name the muscles involved in the extension of the knee
Rectus femoris, vastus lateralus, vastus intermedius, vastus medialis, tensor fascia latae
Name the origin and insertion of the rectus femoris
Origin: AIIS + ilium above acetabulum
Insertion: quad tendon then tibial tuberosity
—- via patellar tendon
Name the origin and insertion of the vastus lateralus
Origin: greater trochanter + lateral linea aspera
Insertion: quad tendon then tibial tuberosity
—- via patellar tendon
Name the origin and insertion of the vastus intermedialus
Origin: anterior lateral shaft of femur
Insertion: quad tendon then tibial tuberosity
—- via patellar tendon
Name the origin and insertion of the vastus medialis
Origin: intertrochanteric line + medial linea aspera
Insertion: quad tendon then tibial tuberosity
—- via patellar tendon
Name the origin and insertion of the tensor fascia latae
Origin: anterior iliac crest + ASIS
Insertion: illiotibial tract