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EMG > LE Innervation > Flashcards

LE Innervation Flashcards

1
Q

Extensor digitorum brevis (EDB) innervation

A

L4-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve
Common peroneal nerve
Deep peroneal nerve

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2
Q

Extensor hallucis longus (EHL) innervation

A

L4-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve
Common peroneal nerve
Deep peroneal nerve

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3
Q

Extensor digitorum Longus (EDL) innervation

A

L4-L5 (mostly L5)
Lumbosacral plexus
Sciatic nerve
Common peroneal nerve
Deep peroneal nerve

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4
Q

Tibialis anterior (TA) innervation

A

L4-L5
Lumbosacral plexus
Sciatic nerve
Common peroneal nerve
Deep peroneal nerve

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5
Q

Peroneus Longus innervation

A

L5-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve
Common peroneal nerve
Superficial peroneal nerve

Superficial peroneal does more than just sensory

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6
Q

Abductor hallucis brevis (AHB) innervation

A

S1-S2 (mostly S1)
Lumbosacral plexus
Sciatic nerve
Tibial nerve
Medial plantar nerve

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7
Q

Flexor Hallucis brevis (FHB) innervation

A

S1-S2 (mostly S1)
Lumbosacral plexus
Sciatic nerve
Tibial nerve
Medial plantar nerve

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8
Q

Abductor Digiti Quinti Pedis innervation

A

S1-S2 (mostly S1)
Lumbosacral plexus
Sciatic nerve
Tibial Nerve
Lateral plantar nerve

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9
Q

Gastroc medial head innervation

A

S1-S2 (mostly S1)
Lumbosacral plexus
Sciatic nerve
Tibial nerve

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10
Q

Soleus innervation

A

S1-S2 (mostly S1)
Lumbosacral plexus
Sciatic nerve
Tibial nerve

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11
Q

Tibialis posterior innervation

A

L5-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve
Tibial nerve

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12
Q

Flexor digitorum longus innervation

A

L5-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve
Tibial nerve

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13
Q

Biceps femoris short head innervation

A

L5-S1 (mostly S1)
Lumbosacral plexus
Sciatic nerve (peroneal division)

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14
Q

Biceps femoris long head innervation

A

L5-S1 (mostly S1)
Lumbosacral plexus
Sciatic nerve (tibial division)

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15
Q

Semimembranosus innervation

A

L4-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve (tibial division)

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16
Q

Semitendinosus innervation

A

L4-S1 (mostly L5)
Lumbosacral plexus
Sciatic nerve (tibial division)

17
Q

Gracilis innervation

A

L2-L4 (mostly L3)
Lumbar plexus
Obturator nerve

18
Q

Adductor longus innervation

A

L2-L4 (mostly L3)
Lumbar plexus
Obturator nerve

19
Q

Adductor Magnus innervation

A

L2-L4 (mostly L3)
Lumbar plexus
Obturator nerve

20
Q

Vastus lateralis innervation

A

L2-L4 (mostly L3/L4)
Lumbar plexus
Femoral nerve

21
Q

Vastus medialis innervation

A

L2-L4 (mostly L3/L4)
Lumbar plexus
Femoral nerve

22
Q

Rectus femoris innervation

A

L2-L4 (mostly L2/L3)
Lumbar plexus
Femoral nerve

23
Q

Iliacus innervation

A

L2-L4 (mostly L2/L3)
Lumbar plexus
Femoral nerve

24
Q

Gluteus medius innervation

A

L4-S1 (mostly L5)
Lumbosacral plexus
Superior gluteal nerve

25
Q

Tensor fasciae Latae innervation

A

L4-S1 (mostly L5)
Lumbosacral plexus
Superior gluteal nerve

26
Q

Gluteus maximus innervation

A

L5-S2 (mostly S1)
Lumbosacral plexus
Inferior gluteal nerve

27
Q

Lower extremity root screen (radiculopathy):

A

Vastus lateralis or medialis ( L3,L4 femoral nerve)
Tibialis anterior (L4-L5 Deep peroneal nerve)
Peroneus longus (L5*-S1 superficial peroneal nerve)
Biceps femoris long head ( L5, S1 sciatic nerve)
Gluteus maximus ( L5, S1 inferior gluteal nerve)
medial gastroc (S1, S2 Tibial nerve)

Always do paraspinals

Confirmatory:
Adductor longus - L3
Adductor longus - L4
Medial hamstrings - L5
Lateral hamstrings - S1

EMG (18 decks)

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