Lower limb 4 Flashcards
Upper medial border of popliteal fossa is formed by what muscle
Semimembranosus
Upper lateral border of popliteal fossa is formed by what muscle
Biceps femoris
Inferior boundaries of the popliteal fossa is formed by what muscle
Medial and lateral heads of gastrocnemius
Contents of the popliteal fossa (7)
Fat Popliteal artery + vein Common fibular nerve Tibial nerve Lymph nodes Small saphenous vein --> popliteal vein
Popliteal artery is continuation of
Femoral artery as it emerges the adductor hiatus
List the muscles of the superficial layer of the posterior leg (3)
Gastrocnemius
Plantaris
Soleus
Actions of gastrocnemius (2)
Plantarflex foot
Flex knee
Action of plantaris
Plantarflex foot
Action of soleus
Plantarflex foot
Innervation of the posterior compartment of leg
Tibial nerve
Which branch of the popliteal artery supples the posterior compartment of the leg
Posterior tibial
Position of the posterior tibial artery pulse
Between the posterior surface of the medial malleolus and medial border of calcanea tendon
List the muscles of the deep layer of the posterior leg (4)
Popliteus
Tibialis posterior
Flexor digitorum longus
Flexor hallucis longus
Function of popliteus (1)
Unlocks the knee to allow flexion
Functions of tibialis posterior (2)
Plantarflex + invert foot