Lumbar Plexus V2 Practice Test

These questions are part of the practice quiz. Start practicing

• Dorsalis pedis is located in which region?
• What muscle group is primarily innervated by the obturator nerve and is key for thigh adduction?
• What nerve innervates the biceps femoris long head?
• Which nerve is associated with the lateral thigh sensory distribution and can be affected by entrapment?
• Which muscle is NOT located in the 1st plantar layer?
• Which nerve innervates the transverse abdominis muscle?
• Which nerve is most often responsible for sensory loss in the medial leg?
• Which nerve innervates abductor digiti minimi?
• Which spinal levels contribute to the femoral and obturator nerves?
• Which nerve gives rise to the saphenous nerve, a sensory branch to the medial leg?
• Sensory loss from a femoral nerve lesion would be seen over which areas?
• The obturator internus is innervated by which nerve?
• Which nerve is associated with the spinal level T12?
• In the femoral triangle, which nerve is located lateral to the femoral artery?
• Which nerve provides sensation to the upper medial thigh and is a branch of the lumbar plexus?
• Innervation for tensor fascia lata?
• What nerve innervates the fibularis longus?
• The saphenous nerve branches from which nerve?
• Which nerve supplies Iliacus, Sartorius, Rectus Femoris, and Vastus Medialis?
• Which nerve is commonly associated with meralgia paresthetica when compressed?
• Obturator nerve injury would primarily affect which region?
• Which nerve innervates the flexor digitorum brevis? (Alternate phrasing)
• Which nerve provides innervation to adductor longus?
• Internal oblique innervation by which nerves?
• Which layer contains the lateral plantar V.A.N.?
• Damage to which nerve would most likely cause sensory loss along the medial aspect of the leg and foot?
• Which nerve innervates the extensor digitorum longus?
• Which single nerve supplies innervation to the internal oblique and also contributes to the innervation of the transverse abdominis?
• What is the spinal level for the lumbosacral trunk?
• Among the intrinsic plantar muscles listed, which nerve supplies the majority?
• Transverse abdominis innervation is provided by which nerve?
• Medial plantar V.A.N. is located in which layer?
• Which nerve is primarily responsible for adductor function and medial thigh sensation, and what is its root range?
• Psoas major innervation is provided by which nerve roots?
• Which nerve provides motor innervation to the quadriceps femoris group?
• Which nerve innervates the pectineus?
• Which division of the obturator nerve innervates adductor magnus (adductor part)?
• The iliohypogastric nerve arises from which spinal level and what regions does it supply?
• Where does the lumbar plexus form in relation to the psoas major?
• Which nerve innervates the piriformis?
• Which layer contains the medial plantar V.A.N.?
• Which nerve has spinal levels L2, L3?
• Which nerve provides innervation to adductor brevis?
• Which nerve has spinal levels L3, L4 and mainly innervates medial thigh adductors?
• The saphenous nerve is a distal sensory continuation of which nerve?
• Which nerve innervates the biceps femoris short head?
• Which nerve provides cutaneous sensation to the skin of the scrotum in males or the mons pubis in females and part of the upper medial thigh?
• Which nerve provides motor innervation to the iliacus muscle?
• Which nerve innervates extensor digitorum brevis?
• Which nerve has spinal levels L2, L3 and provides sensation to the lateral thigh?
• What is the spinal level for the ilioinguinal nerve?
• What is the spinal level for the lateral femoral cutaneous nerve?
• Which nerve is at risk during inguinal hernia repair due to its course through the inguinal canal?
• Pyramidalis innervation is provided by which nerve?
• Innervation for gluteus medius?
• Which nerve innervates the articularis genu?
• Vastus medialis is innervated by which nerve?
• Pyramidalis innervation originates from which nerve?
• The lumbosacral trunk connects the lumbar and sacral plexuses and contributes to the formation of which major nerve?
• The tibialis posterior muscle receives innervation from which nerve?
• Which nerve has spinal levels L2, L3, L4 and primarily innervates the anterior thigh muscles, including the quadriceps?
• The 4 dorsal interossei are located in which layer?
• Which nerve innervates flexor digiti minimi brevis?
• The obturator nerve has root levels typically at:
• What is the sensory map of the saphenous nerve?
• Which are typical features of meralgia paresthetica?
• Which nerve innervates the first lumbrical muscle?
• Which division of the obturator nerve innervates adductor longus?
• How can a lumbar plexus lesion be distinguished clinically from an isolated nerve injury?
• Meralgia paresthetica is most commonly due to injury of which nerve?
• What is the main sensory region supplied by the femoral nerve?
• Which nerve provides cutaneous innervation to the skin over the root of the penis or clitoris and the upper medial thigh?
• What is the spinal level for the iliohypogastric nerve?
• Damage to the femoral nerve would primarily impair which actions?
• Which nerve provides cutaneous innervation to the skin over the root of the penis or clitoris and the upper medial thigh?
• The tensor fascia lata is innervated by which nerve?
• Psoas minor innervation is a branch of which spinal level?
• Which nerve is primarily responsible for motor innervation of the quadriceps and sensory innervation of the anterior thigh and medial leg?
• Quadratus femoris is innervated by which nerve?
• The nerve that innervates abductor digiti minimi is which?
• Which nerve provides motor innervation to the adductor magnus’s adductor portion?
• Obturator nerve lesion causes weakness in which movement?
• Which nerve innervates the superior gemellus?
• Which nerve provides innervation to obturator externus?
• Where does the femoral nerve travel relative to the inguinal ligament?
• The gluteus maximus is supplied by which nerve?
• The accessory obturator nerve is present in roughly what percent and may innervate which muscles?
• Which nerve supplies sensation to the skin over the outer thigh near the hip (lateral thigh region)?
• Which nerve is occasionally present as an additional contributor to the lumbar plexus?
• Which nerve commonly innervates the vastus lateralis, vastus intermedius, articularis genu, and pectineus?
• Rectus femoris is innervated by which nerve?
• Which nerve carries cutaneous sensation to the medial leg?
• Innervation for piriformis?
• Which nerve innervates the vastus lateralis?
• What nerve innervates the fibularis tertius?
• Which muscles are chiefly innervated by the femoral nerve?
• Which nerve supplies the gluteus minimus?
• What are the two branches of the genitofemoral nerve and their spinal levels?
• Psoas minor innervation is from a branch of which spinal level?
• Which nerve is the primary sensory innervation to the medial thigh?
• Which nerve innervates adductor hallucis?
• What is the spinal level for the subcostal nerve?
• What is the spinal level for the accessory obturator nerve?
• Which nerve supplies the flexor digitorum brevis muscle?
• Damage to the femoral nerve most directly weakens which movement of the leg?
• Which nerve supplies sartorius, rectus femoris, and vastus medialis?
• Pyramidalis innervation is provided by which nerve?
• Which nerve innervates the 1st lumbrical muscle? (Alternate phrasing)
• Which nerve innervates the fibularis longus?
• Which nerve provides sensory innervation to the proximal medial thigh as part of its distribution?
• Dorsal interossei are innervated by which nerve?
• The genitofemoral nerve divides into which two branches?
• Which nerve innervates the gastrocnemius muscle?
• What nerve innervates the extensor hallucis longus?
• Which nerve innervates dorsal interossei (4 DAB)?
• Which nerve innervates both Inferior Gemellus and Quadratus Femoris?
• Innervation for gluteus minimus?
• Extensor hallucis brevis is located in which region of the foot?
• Which nerve innervates quadratus plantae?
• Which nerve contributes to sensation of the anterior thigh via its anterior branches?
• Which nerve innervates the flexor hallucis brevis?
• The genital branch of the genitofemoral nerve supplies which structures?
• Which nerve arrangement correctly describes the innervation of the internal oblique muscle?
• Which nerve innervates the popliteus muscle?
• What nerve innervates the fibularis brevis?
• Which nerve innervates the abductor hallucis muscle?
• The 3 plantar interossei are located in which layer?
• Which region is not a plantar layer?
• What is the spinal level for the femoral nerve?
• Which nerve provides innervation to the adductor magnus (adductor part)?
• The iliacus muscle receives its motor innervation from which nerve?
• The hamstring portion of the adductor magnus is supplied by which nerve?
• What is the general pattern of motor and sensory loss in a complete lumbar plexus injury?
• Which nerve primarily supplies adductor function?
• The innervation of the fibularis tertius is provided by which nerve?
• Which nerve is commonly tested to assess anterior thigh sensation?
• Which nerve provides motor innervation to the iliopsoas component critical for hip flexion, and what implication does this have in nerve injury?
• Which nerve provides innervation to gracilis?
• Which nerve is responsible for sensation to the skin of the upper anterior thigh via a branch of the genitofemoral nerve?
• Which block targets the lumbar plexus within the psoas muscle?
• What is the relationship of the femoral triangle to the inguinal ligament?
• In which layer is the adductor hallucis located?
• Which nerve supplies sensation to the skin over the proximal medial thigh?
• Which nerve is NOT one of the seven primary nerves that arise from the lumbar plexus?
• The extensor digitorum longus is innervated by which nerve?
• What is a key clinical use of a transpsoas (psoas compartment) block?
• The iliohypogastric nerve runs between which two abdominal wall muscles?
• Which nerve provides motor innervation to the adductor group of muscles in the thigh?
• The flexor digitorum longus muscle is innervated by which nerve?
• Sartorius is innervated by which nerve?
• Which nerve provides cutaneous sensation to the skin over the upper anterior thigh via its femoral branch?
• Which nerve innervates the semimembranosus?
• In which layer is the flexor digiti minimi brevis located?
• Innervation for gluteus maximus?
• Abductor digiti minimi is located in which plantar layer?
• Which ventral rami comprise the lumbar plexus, and what is the typical inclusive root range?
• Flexor digitorum brevis is located in which plantar layer?
• Which nerve provides motor innervation to the soleus muscle?
• Lumbrical (1-4) is located in which plantar layer?
• Which nerve supplies the posterior compartment muscles of the leg, including gastrocnemius and soleus?
• Which nerve innervates the tibialis posterior muscle?
• The flexor hallucis longus muscle is innervated by which nerve?
• What is the root level range for the lateral femoral cutaneous nerve?
• The ilioinguinal nerve emerges from L1 and travels through which structure? It supplies which areas?
• Which nerve provides sensation to the lateral aspect of the thigh?
• What nerve innervates the semimembranosus?
• Quadratus plantae is located in which plantar layer?
• Which nerves supply sensation to the skin of the anterior thigh via the cutaneous branches?
• Which layer is the abductor hallucis located in?
• Which option lists the nerves that innervate the internal oblique muscle?
• Name two muscles that receive primary innervation from the femoral nerve and contribute to hip flexion.
• Dorsal interossei are innervated by which nerve?
• Which nerve innervates the vastus intermedius?
• The saphenous nerve provides cutaneous sensation to which area, and from which nerve does it branch?
• Lateral plantar V.A.N. is located in which plantar region?
• Which nerve is most commonly injured in pelvic fractures causing medial thigh sensory loss?
• Which nerve innervates both extensor digitorum brevis and extensor hallucis brevis?
• Which nerve provides motor and sensory innervation for the cremaster in males?
• Which division of the obturator nerve innervates gracilis?
• Which nerve provides motor innervation to the pectineus muscle?
• Which nerve travels with the femoral artery and becomes the saphenous nerve distally?
• What is the spinal level for the genitofemoral nerve?
• The saphenous nerve is a cutaneous branch of which nerve?
• Internal oblique innervation is provided by which pair of nerves?
• Which nerve innervates the 2nd, 3rd, and 4th lumbricals?
• Which nerve innervates the plantaris muscle?
• Which layer houses the lumbricals (1-4)?
• The patellar reflex tests which nerve and root levels?
• What is the spinal level for the obturator nerve?
• Which nerve supplies the gluteus medius?
• What is the sensory distribution of the obturator nerve?
• In meralgia paresthetica, which nerve and root levels are typically affected?
• The nerve to Obturator Internus innervates which muscles?
• Iliacus is innervated by which nerve?
• Internal oblique innervation is provided by which two nerves?
• Abductor hallucis is located in which plantar layer?
• The internal oblique muscle is innervated by which nerves?
• Which nerve innervates extensor hallucis brevis?
• What nerve innervates the extensor digitorum longus?
• Pyramidalis innervation is supplied by which nerve?
• The cremasteric reflex is mediated by which branch of the genitofemoral nerve and what spinal levels are implicated?
• What nerve innervates the tibialis anterior?
• Which nerve is associated with sensory loss on the lateral thigh when compressed (meralgia paresthetica)?
• Which nerve block is commonly used to anesthetize the anterior thigh region?
• Inferior gemellus is innervated by which nerve?
• Which nerve provides motor innervation to the quadriceps group, enabling knee extension?
• Which nerve supplies the hamstring part of the adductor magnus?
• What is the key root level for the femoral nerve?
• The transverse abdominis muscle is innervated primarily by which nerve?
• Which nerve root levels form the lumbosacral trunk, and what is its significance?
• A lesion of the femoral nerve would most likely cause which motor deficit?
• Which nerve innervates the first lumbrical muscle? (Alternate phrasing)
• Obturator nerve sensory distribution includes which region?
• Which nerve is primarily responsible for innervation of the transverse abdominis muscle?
• In which layer is the flexor hallucis brevis located?
• Which nerve innervates the semitendinosus?
• The anterior thigh cutaneous distribution is supplied by the anterior branches of which nerve?
• The lateral femoral cutaneous nerve has root contributions from which levels?
• Which part of the adductor magnus is innervated by the obturator nerve?
• Which nerve gives rise to the anterior femoral cutaneous branches that innervate the skin of the front of the thigh?
• The femoral branch of the genitofemoral nerve provides cutaneous sensation to which region?
• Which nerve innervates plantar interossei (3 PAD)?
• Which nerve provides innervation to the adductor magnus (hamstring part)?