Anatomy
·Lower Limb
Anterior & Medial Thigh
⭐ PREMIUM
The anterior compartment (femoral nerve) extends the knee; the medial compartment (obturator nerve) adducts the hip.
ANTERIOR COMPARTMENT (femoral n., L2–4)
• Quadriceps femoris: rectus femoris (crosses hip + knee) + 3 vasti → extend the knee via the patellar ligament.
• Sartorius ("tailor's muscle"): flexes/abducts/laterally rotates hip + flexes knee.
• Iliopsoas (the chief hip flexor) and pec…
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