Anterior femur

• Femoral head/neck
• Greater/lesser trochanter
• Intertrochanteric line
• Medial/lateral epicondyles
• Medial/lateral condyles

Posterior femur

• Intertrochanteric crest
• Linea aspera
• Medial/lateral supracondylar ridge

Knee joint

• Synovial joint
• Hinge (modified)
• Extension/Flexion

Posterior thigh muscles

• Innervation - sciatic nerve
• Blood supply - femoral/popliteal artery
• Biceps femoris
• Semitendinosus
• Semimembranosus

Anterior compartment muscles

• Psoas
• Iliacus
• Sartorius
• Rectus femoris
• Vastus medialis/intermedius/lateralis

Stabilising the knee

• Collateral ligaments
• Menisci
• Cruciate ligaments - Anterior Cruciate Ligament (ACL), Posterior Cruciate Ligament (PCL)

Ankle joint

• Synovial joint
• Multiple joints

Anterior leg

• Tibialis anterior
• Extensor digitorum longus
• Extensor hallucis longus
  Digitorium - digits (fingers/toes) Hallucis - Big toe Longus - long bone
• Innervation - deep peroneal nerve
• Blood supply - Anterior tibial artery

Lateral leg

• Fibularis longus/brevis/tertius
  Brevis - brief (short)
• Innervation - superficial fibular nerve
• Blood supply - anterior tibial and fibular artery

Posterior leg

Superficial compartment

• Plantaris
• Gastrocnemius
• Soleus
• Innervation - tibial nerve
• Blood supply - fibular and posterior tibial

Deep compartment

• Tibialis posterior
• Flexor digitorium/hallucis longus

Nerves of the lower limb

• Femoral - anterior thigh muscles, skin on medial leg
• Obturator - medial thigh muscles
• Sciatic - hamstrings, posterior thigh
• Common fibular:
  • Superficial - lateral leg
  • Deep - Anterior leg and dorsal muscle of the foot
• Tibial - posterior leg and intrinsic muscles of the foot