Practice Questions Flashcards
achilles reflex spinal innervation
S1
motor - peroneus longus and brevis gastrocnemius
patella reflex spinal innervation
L4
motor - anterior tibialis
Lesions at C4-C5
most inferior level at which spinal cord transection could produce a complete quadriplegia -
(C2-C3 would be life threatening due to severe diaphragmatic paralysis)
Lesions at C1-C2
incompatible with life
Lesions at C2-C3
produce severe diaphragmatic paralysis - life threatening
Transection at C5-C6
shoulder muscles intact - incomplete quadraplagia
Trasnsection at T1-T2
complete paraplegia (lower limbs only)
What artery supplies the proximal part of the femur (not head and neck)
a branch of the profunda femoris
Cutaneous nerve responsible for innervating the medial surface of the leg and foot
saphenous n.
In order to pass a needle using the suprapatellar approach, or through the lateral aspect of the thigh into the region immediately proximal and deep to the patella, what muscle must the needle pass through
Rectus femoris
the fascia containing the muscles responsible for what movement at the hip span the groin and flank?
Flexion
while testing the patellar reflex, what muscle is stretched?
quadriceps femoris
the tubercle on the superior aspect of the medial femoral condyle serves as the insertion for what muscle?
gracilis m
what cutaneous nerve can supply the perineum in some individuals?
posterior femoral cutaneous
the tensor fascia latae m receives its innervation from what n
superior gluteal n
a paralysis of knee flexion and dorsal/plantar flexion accompanied with sensory loss in the limb secondary to an injury to the gluteal region is termed
gluteal crush injury
the posterior femoral cutaneous nerve arises from what spinal nerve contributions
S1, S2, S3
in children only, this artery supplies the head of the femur
a branch of the obturator a
an IM injection should be given
anterior and superior to a line between the PSIS and the greater trochanter
Which of the following does not insert onto the greater trochanter? Piriformis Obturator internus Gluteus medius gluteus maximus gluteus minimus
gluteus maximus
disc lesion at what level would result in lack of sensation of the dorsum and sole of the feet and marked muscle weakness in abduction and lateral rotation of the lower limb?
L4-L5
if the femoral a is occluded, what artery will be able to provide blood supply to the leg through genicular anastomosis?
Descending branch of the lateral circumflex femoral
What is the most anterior structure that passes through the flexor retinaculum on the medial side of the ankle?
Tibialis posterior t
what nerve innervates the fibularis tertius m
deep fibular (peroneal) n
the muscles responsible for dorsiflexion and inversion of the foot are innervated by
the deep fibular n
if a patient presents with foot drop but normal eversion, the lesion most likely is affecting this n
deep fibular n
n responsible for the cutaneous sensation between the first and second toe
deep fibular n
unhappy triad
MCL
Medial meniscus
ACL
