Group 4 Muscles Flashcards
Semimembranosus Origin
Ischial tuberosity
Semimembranosus Insertion
Medial condyle of tibia
Semimembranosus nerve
Tibial part of sciatic nerve
Semimembranosus action
Extension of hip Flexion of knee
Semitendinosus Origin
Ischial tuberosity
Semitendinosus Insertion
Pes anserinus (tibia)
Semitendinosus nerve
Sciatic
Semitendinosus action
Extension of hip Flexion of knee
Biceps Femoris (long and short heads) Origin
Ischial tuberosity Linea aspera Femur
Biceps Femoris (long and short heads) Insertion
head of fibula
Biceps Femoris (long and short heads) nerve
long head: tibial short head: common fibular nerve
Biceps Femoris (long and short heads) action
Extension of hip Flexion of knee Lat. rotates knee
Rectus Femoris Origin
anterior inferior iliac spine. acetabulum.
Rectus Femoris Insertion
patellar tendon
Rectus Femoris nerve
femoral
Rectus Femoris action
Extension of knee Flexion of hip
Vastus Lateralis Origin
Greater trochanter, Intertrochanteric line, and Linea aspera of the Femur
Vastus Lateralis Insertion
Patella via the Quadriceps tendon and Tibial tuberosity via the Patellar ligament
Vastus Lateralis nerve
femoral
Vastus Lateralis action
Extends knee
Vastus Medialis Origin
Medial side of femur
Vastus Medialis Insertion
Quadriceps tendon
Vastus Medialis nerve
femoral
Vastus Medialis action
Extends knee
Vastus Intermedius Origin
Anterolateral femur
Vastus Intermedius Insertion
Quadriceps tendon
Vastus Intermedius nerve
femoral
Vastus Intermedius action
Extends knee
Articularis Genu Origin
femur
Articularis Genu Insertion
suprapatellar bursa
Articularis Genu nerve
femoral
Articularis Genu action
Extends knee
