Innervation Flashcards
Lumbar Plexus innervates ?
- Psoas Major/ Minor
2. Quadratus lumborum
Sciatic Nerve-Tibial division innervates?
- Semitendinosus
- Semimembranosus
- Biceps femoris (long head)
Sciatic Nerve-Common Peroneals Division innnervates/
Biceps femoris (short head)
Sacral Plexus innervates?
- Piriformis
- Superior gemelli
- Inferior gemelli
- Obturator internus
- Quadratus femoris
Interior Gluteal Nerve innervates?
Gluteus Maximus
Deep Peroneal Nerve innervates?
- Tibialis anterior
- Extensor digitorum longus
- Extensor hallucis longus
- Peroneals tertius
- Extensor digitorum brevis
Superior Gluteal Nerve innervates?
- Gluteus Medius
- Gluteus Minimus
- Tensor Fasciae Latae
Superficial Peroneal Nerve innervates?
Peroneus longus
Peroneus brevis
Femoral Nerve Innnervates?
- Vastus lateralis
- Rectus femoris
- Vastus medialis
- Vastus intermedius
- Illiacus
- Sartorius
- PE tinel’s
Medial Plantar nerve innervates?
- abductor hallucis
- Lumbrical I
- Flexor digitorum brevis
- Flexor hallucis brevis
Obturator Nerve innervates?
- Adductor longus
- Adductor brevis
- Adductor magnus
- Obturator externus
- Gracilis
Lateral plantar nerve innervates?
- Abductor digiti minimi
- Flexor digiti minimi
- Opponents digiti minimi
- Dorsal interossei
- Quadratus plantae
- Adductor hallucis
- Lumbrical II, III, IV
- Plantar interossei
Tibial Nerve innervates?
- Soleus
- Popliteus
- Tibialis posterior
- Plantaris
- Gastrocnemius
- Flexor hallucis longus
- Flexor digitorum longus
Abdominal Reflex occurs at what level?
T8-L1
Corneal “blink” reflex test what nerves?
Trigeminal and facial nerves
Cremasteric Reflex occurs at what spinal level?
L1-L2
Gag occurs at what spinal level?
Glosspharyngeal and vagus nerves
Plantar reflex occurs at what spinal level?
L5-S1
Normal response for abdominal reflex?
Contraction of the abdominals and deviation of the umbilicus in the direction of the stimulus
Normal response of the corneal “blink” reflex?
Both eyes will blink with contact to one eye
Normal response of Cremasteric reflex?
A brisk and brief elevation of the testicle of the ipsilateral side
Normal response of the Gag Reflex?
a Gag will occur post stimulation; may be absent in some percentage of the normal population
Normal response of the Plantar Reflex?
Flexion of the toes
“Babinski reflex is the abnormal response that indicates CNS lesion)
What is the Jendrassik maneuver?
The patient locks the fingers together and directly pulling against each other immediately prior to the reflex stimulus
(Used as a distraction when evaluating DTRs)
