16.8 Common Fibular Nerve + Branches

What is the motor innervation of the deep branch of the common fibular nerve?

anterior compartment: 1. tibialis anterior 2. extensory hallcuis longus 3. extensor digitorum longus 4. fubularis tertius foot dorsum: 1. extensory hallucis brevis 2. extensor digitorum brevis extra: 1. 1st + 2nd dorsal interossei

What is the sensory innervation of the superficial branch of the common fibular nerve?

dorsal foot + medial 3.5 toes

What is the primary action created by the superficial branch of the common fibular nerve?

eversion

What are the primary actions created by the deep branch of the common fibular nerve?

eversion, inversion, dorsiflexion, toe extension

What is the motor innervation of the superficial branch of the common fibular nerve?

fibularis longus + fibularis brevis

The common fibular nerve enters the lateral compartment of the leg by passing under the origin of what muscle? What does it split into after this?

1. fibularis longus 2. superficial + deep branches

What are the cord contributions of the common fibular nerve?

L4-S2

What is the only thigh muscle innervated by the common fibular branch of the sciatic nerve?

Short head of biceps femoris

The superficial branch of the common fibular branch divides into what?

medial + lateral branches

What is the sensory innervation of the deep branch of the common fibular nerve?

terminates as sensory innervation to the first web space

What is the path of the common fibular nerve as it travels through the knee region?

travels from popliteal fossa and around the fibular head