The anterior thigh Flashcards
What innervates the muscles in the anterior thigh?
-Femoral nerve
Name the muscles of the anterior thigh
- Iliopsoas
- Quadreceps femoris
- Sartorius
- Pectineus
-What two muscles makes iliopsoas?
-Iliacus
-Psoas major
Form one tendon
What is the function of iliopsoas?
- Flex the hip joint
- Lateral rotation of the hip
What 4 muscles comprise quadriceps femoris?
- Rectus femoris
- Vastus medialis
- Vastus intermedius
- Vastus lateralis
Which of the quadriceps femoris muscles lies most deep?
-Vastus intermedius
How do the quadriceps femoris muscles attach?
-Blend into tendon quadriceps femoris and attach to patella
What is the function of quadriceps femoris?
-Extends the knee
What additional function does rectus femoris have apart from knee extension?
-Crosses the hip and aids flexion
Where does sartorius lay?
-Superficial and runs inferiomedially crossing the hip and knee joints
What are the functions of sartorius?
- Flexor, ABductor and lateral rotator of hip
- Flexor and internal rotator of knee
Where does pectineus lay? Where does it attach?
- At the base of the femoral triangle
- Originates at pectineal line of pelvis and attaches at pectineal line of post femur
What are the functions of pectineus?
-ADduction and Flexion of hip
How can you test the function of the femoral nerve?
- Test quadriceps femoris bu asking patient to lay on the bed in supine position with knee slightly flexed
- Ask to extend leg against resistance
- Contraction should be visible
