Nerve Root Lower Extremity and Lumbars Spine Flashcards Preview

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Flashcards in Nerve Root Lower Extremity and Lumbars Spine Deck (4)
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1

Nerve Root Lesion Evaluation Lower Extremity & Lumbar Spine
L4

1) Disc Level – L3

2) Muscle test (1)
• Foot dorsiflexion & inversion: tibialis anterior (deep peroneal nerve), “Lateral side of pull down and out”

3) Reflex – Patellar Tendon, “Taylor Hammer”

4) Sensation L3-L-5 – Medial aspect of leg, medial foot, medial aspect of big toe

2

Nerve Root Lesion Evaluation Lower Extremity & Lumbar Spine
L5

1) Disc Level – L4

2) Muscle tests (4)
• Foot dorsiflexion: (name two muscles for this action
•Big toe dorsiflexion: extensor digitorum longus & brevis (deep peroneal nerve)
• Toes 2,3,4 dorsiflexion: extensor digitorum longus & brevis(deep peroneal nerve)
• Hip and Pelvis abduction: gluteus medius & minimus (superior gluteal nerve)

3) Reflex - NONE

4) Sensation L4-S1 – Lateral leg, dorsum of foot, and middle 3 toes

3

Nerve Root Lesion Evaluation Lower Extremity & Lumbar Spine
S1

1) Disc Level – L5 “Lay patient down quickly”

2) Muscle tests (3)
• Foot Plantarflexion: Gastrocnemius and Soleus (Tibial Nerve)
• Foot plantar flexion and eversion: peroneus longus & brevis (Superficial Peroneal Nerve)
• Hip extension: gluteus maximus (Inferior Glueal Nerve)

3) Reflex –Achilles

4) Sensation – L5-S1 Posterior aspect of the leg, lateral aspect of foot, and lateral aspect of little toe

4

Nerve Root Lesion Evaluation Lower Extremity & Lumbar Spine
S2

1) Disc Level – S1

2) Sensation – Posterior aspect of thigh over popliteal fossa onto posteromedial calf