4. • Quadriceps femoris
• Group of four muscles form main bulk of t
high and most powerful muscle of body.
• All muscles unite proximaly at knee and dista
ly attached to patella by patellar tendon
• All muscles Extend the knee joint and stastabi
lise the patella
• Femoral nerve
5. • Vastus letralis
• Greater trochanter and letral lip of lenea
aspera
• Vastus intermedius
• Anterior and letral surface of femoral shaft
• Vastus medialis
• Intertrochentric line and medial lip of linea a
spera
6. •Rectus femoris
• Ilium just superior to acetabulam
•It is only muscle that cro
ss hip as well as knee joi
nt.
• Flex at thigh and extend at knee
7. •Sartorius
• Longest muscle of body run inferiomedi
aly
• Anterior superior Iliac spine
• Anterior and medial surface of tibia
Flexor abductor and letral rotator at hi
p joint and flexor at knee joint.
Femoral nerve
8. Pectenius
Pectenial line on anterior surface o
f pelvis
Pectenial line on posterior surface
of femur
Adductor and flexor at hip joint.
Femoral nerve and may be obturat
or nerve.
