Lower Limb Muscle Innervations Flashcards
What muscles in the anterior thigh does the Femoral nerve innervate?
Iliacus
Sartorius
Quadriceps femoris
Pectineus
What are the Nerve Roots for the Femoral nerve?
L2 - L4
What is the terminal cutaneous branch of the Femoral nerve?
Saphenous nerve
Which type of hip dislocation may affect the Femoral nerve and the Lateral Femoral Cutaneous nerve?
Anterior hip dislocation
Medical condition caused by the compression of the Lateral Femoral Cutaneous nerve as it passes under the inguinal ligament and causes pain along lateral thigh.
Meralgia paresthetica
-skinny jeans syndrome
What are the nerve roots for the Obturator nerve?
L2-L4
What are the nerve roots for the Sciatic nerve?
L4-S3
What are the nerve roots for the Tibial nerve?
L4-S3
What are the nerve roots for the Common Fibular Nerve?
L4-S2
Which nerve roots are tested in the Patellar reflex test?
L2-L4
Tests the function of the Femoral nerve
What is the absence or decrease of the Patellar reflex called?
Westphal’s sign
Which nerve roots are tested in the Calcaneal Tendon reflex test?
S1 and S2 nerve roots
If nerve root is cut or compressed, ankle reflex is virtually absent
What are the muscles of the anterior thigh?
Iliopsoas
Pectineus
Sartorius
Quadriceps femoris
What is the innvervation for the Iliacus m.?
Femoral nerve
What is the innervation for Psoas major m.?
L1-L3 ventral rami
What is the innervation for Psoas minor m.?
L1-L2 ventral rami
What is the innervation for Sartorius m.?
Femoral nerve
What is the innervation for Rectus femoris m.?
Femoral nerve
What is the innervation for the Vastus Lateralis m., Vastus Intermedius m., and Vastus Medialis m.?
Femoral nerve
What is the innervation for Pectineus m.?
Femoral nerve
What is the innervation for Adductor Longus m.?
Obturator nerve (L2-L4)
What is the innervation for Gracilis m.?
Obturator nerve
What is the innervation for Adductor Brevis m.?
Obturator nerve
What is the innervation for Obturator Externus m.?
Obturator nerve
What is the innervation for the Hamstring portion of Adductor Magnus m.?
Tibial division of Sciatic nerve
What is the innervation for the Addcutor portion of the Adductor Magnus m.?
Obturator nerve