Lower Limb Flashcards
What can be injured with an intracondylar femur fracture?
circumflex artery
can lead to AVN of femoral head
Which nerve can be injured with a distal tibial or fibular fracture?
common peroneal/fibular
What is the action of the anterior compartment of the thigh?
flex hip
extends knee
What are the muscles of the anterior thigh?
iliopsoas
sartorius
quadriceps femoris
what is the action of the medial compartment of the thigh?
hip adduction
What is the nerve supply to the anterior thigh?
femoral
What are the nerve roots of the femoral nerve?
L2,3,4
What is the nerve supply to the medial thigh?
obturator
What are the roots of the obturator nerve?
L2,3,4
What is the action of the posterior thigh?
flex knee
What is the nerve supply to the posterior thigh?
sciatic
What are the nerve roots of the sciatic nerve?
L4,5
S1,2,3
What muscles are in the medial thigh?
gracilis
adductor brevis, longus, magnus
Which part of the medial thigh isn’t supplied by the obturator nerve?
hamstring part of adductor magnus
supplied by tibial nerve
Which muscles are in the posterior thigh?
hamstrings
- semimembranosus
- semitendonosus
- long and short heads of biceps femoris
What is the action of the anterior leg?
dorsiflex the ankle
What is the nerve supply to the anterior leg?
deep fibular nerve
What is the nerve supply to the lateral leg?
superficial fibular nerve
What is the action of the lateral leg?
everts foot
What is the action of the posterior leg?
plantar flexion
tiptoes
What nerve supplies the posterior leg?
tibial nerve
Which nerve supplies the 1st web space?
deep fibular
Which nerve supplies the lateral foot?
sural nerve
Which nerve supplies the bottom of the foot?
tibial nerve
What is the action of gluteus maximus?
extends hip
What is the nerve supply of gluteus maximus? Nerve roots?
inferior gluteal nerve
L5, S1, S2
What is the nerve supply of gluteus minimus and medius? Nerve roots?
superior gluteal nerve
L4, L5, S1
What do the gluteus minimus and medius muscles do?
abduct
What nerve roots are behind the knee reflex?
L3/4
What nerve roots are behind the ankle reflex?
S1/2