Upper/Lower Limb Roots Flashcards by Ali Haselhorst

Q

Trapezius

A

C3, C4 - spinal contribution to CN 11
The spinal nerves run superiorly through foramen magnum, then meets cranial nerve fibers (very small contribution).
The Spinal Accessory Nerve (with spinal and cranial nerve elements) exits through the jugular foramen.

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Q

Rhomboids

A

C5

Dorsal Scapular Nerve

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Q

Serratus Anterior

A

C5, *C6, C7

Long Thoracic Nerve

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Q

Pectoralis Major, Clavicular portion

A

*C5, C6

Lateral Pectroal

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Q

Pectoralis Major, Sternal portion

A

C8, T1

Medial Pectoral

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Q

Supraspinatus

A

*C5, C6

Suprascapular

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Q

Infraspinatus

A

*C5, C6

Suprascapular

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Q

Latissimus dorsi

A

C6, *C7, C8

Thoracodorsal

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Q

Teres Major

A

C5, C6, C7

Lower Subscapular Nerve, Thoracodorsal Nerve (Middle subscapular nerve)

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Q

Deltoid

A

*C5, C6

Axillary Nerve

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Q

Biceps

A

*C5, C6

Musculocutaneous Nerve

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Q

Brachialis

A

C5, C6

Musculocutaneous Nerve

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Q

Triceps, Long/Lateral/Medial Head

A

C6, C7, C8
*Lateral: C7, *Long: C8
Radial Nerve

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Q

Brachioradialis

A

C5, *C6

Radial Nerve

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Q

Extensor Carpi Radialalis Longus

A

C5, *C6

Radial

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Q

Supinator

A

*C6, C7

Radial -> Posterior Interosseous Nerve

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Q

Extensor Carpi Ulnaris

A

*C7, C8

Radial -> Posterior Interosseous Nerve

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Q

Extensor Digitorum

A

*C7, C8

Radial -> Posterior Interosseous Nerve

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Q

Abductor Pollicus Longus

A

*C7, C8

Radial -> Posterior Interosseous Nerve

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Q

Extensor Pollicus Longus

A

*C7, C8

Radial -> Posterior Interosseous Nerve

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Q

Extensor Pollicus Brevis

A

*C7, C8

Radial -> Posterior Interosseous Nerve

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Q

Extensor Indicis

A

*C7, C8

Radial -> Posterior Interosseous Nerve

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Q

Pronator Teres

A

*C6, C7

Median Nerve

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Q

Flexor Carpi Radialis

A

C6, C7

Median Nerve

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Flexor Digitorum Superficialis

C7, *C8, T1 | Median Nerve

Abductor Pollicis Brevis

C8, *T1 | Median Nerve

Flexor Pollicis Brevis

C8, *T1 | Median Nerve/*often supplied wholly or partially by the ulnar nerve

Opponens Pollicis

C8, *T1 | Median Nerve

Lumbricals I&II

C8, *T1 | Median Nerve

Pronator Quadratus

C7, *C8 | Median -> Anterior Interosseous Nerve

Flexor Digitorum Profundus 1/2

C7, *C8 | Median -> Anterior Interosseous Nerve

Flexor Pollicus Longus

C7, *C8 | Median -> Anerior Interosseous Nerve

Flexor Carpi Ulnaris

*C7. *C8 | Ulnar Nerve

Flexor Digitorum Profundus 3/4

C7, *C8 | Ulnar Nerve

Hypothenar Muscles

C8, *T1 | Ulnar Nerve

Adductor Pollicis

C8, *T1 | Ulnar Nerve

Flexor Pollicus Brevis

C8, *T1 | Ulnar Nerve

Palmar Interossei

C8, *T1 | Ulnar Nerve

Dorsal Interossei

C8, *T1 | Ulnar Nerve

Lumbricals 3/4

C8, *T1 | Ulnar Nerve

Iliopsoas

*L1, *L2, L3 | Femoral Nerve

Rectus Femoris

L2, *L3, *L4 | Femoral Nerve

Vastus Lateralis

L2, *L3, *L4 | Femoral Nerve

Vastus Intermedius

L2, *L3, *L4 | Femoral Nerve

Vastus Medialis

L2, *L3, *L4 | Femoral Nerve

Adductor Longus

*L2, *L3, L4 | Obturator Nerve

Adductor Magnus

*L2, *L3, L4 | Obturator Nerve

Gluteus Medius and Minimus

*L4, *L5, S1 | Superior Gluteal Nerve

Tensor Fascia Latae

*L4, *L5, S1 | Superior Gluteal Nerve

Gluteus Maximus

*L5, *S1, S2 | Inferior Gluteal Nerve

Semitendinosus

*L4, *L5, S1 | Sciatic (Tibial portion)

Biceps Femoris Short/Long Head

Short Head: Sciatic (Peroneal division) *L5, S1 | Long Head: Sciatic (Tibial division) L5, S1

Semimembranosus

*L4, *L5, S1 | Sciatic (Tibial division)

Gastrocnemius and soleus

*S1, S2 | Tibial Nerve

Tibialis Posterior

*L5, S1 | Tibial Nerve

Flexor Digitorum Longus

*L5, S1 | Tibial Nerve

Abductor Hallicus

S1, S2 | Tibial Nerve

Abductor Digiti Minimi (foot)

S1, S2 | Tibial Nerve

Interossei of Feet

S1, S2 | Sciatic and Tibial Nerves

Tibialis Anterior

*L4, L5 | Deep branch Peroneal Nerve

Extensor Digitorum Longus

*L5, S1 | Deep Peroneal Nerve

Extensor Hallicus Longus

*L5, S1 | Deep Peroneal Nerve

Extensor Digitorum Brevis

L5, S1 | Deep Peroneal Nerve

Peroneus Longus

L5, S1 | Superficial Peroneal Nerve

Peroneus Brevis

L5, S1 | Superficial Peroneal Nerve