Review of the nerves and vessels of the lower limb Flashcards
How many sacral nerves are there?
5
How many coccygeal nerves are there?
1
Which spinal nerves supply each of the following: Neck Upper Limb Trunk Lower Limb Perineum
Neck C1-C4 Upper Limb C5-T1 Trunk T2-L1 Lower Limb L2-S3 Perineum S2-C1
Which muscles does the superior gluteal nerve innervate?
Gluteus medius
Gluteus minimus
Tensor fasciae latae
The femoral nerve innervates all the muscles in the anterior compartment of the thigh. Which extra spinal root contributes to the innervation of iliopsoas?
L1
Which nerve roots are responsible for: Inversion Eversion Toe Extension Toe Flexion
Inversion L4 Eversion L5S1 Toe Extension L5S1 Toe Flexion S12
What nerve supplies sensory innervation to most of the posterior of the thigh?
Posterior cutaneous nerve of the thigh
Which two spinal nerve roots are responsible for sensory innervation of most of the posterior side of the lower limb?
S1 and S2
What are autonomous sensory zones?
Regions where you can be confident of the spinal root affected if there is any abnormal sensation in those regions
Which part of the lower limb does the obturator nerve supply sensory innervation to?
Inner part of the thigh
Which part of the leg does the saphenous nerve provide sensory innervation to?
Medial part of the leg
Which nerve provides sensory innervation to most of the dorsum of the foot?
Superficial peroneal nerve
Where can the common peroneal nerve be damaged easily?
At the neck of the fibula
What are the consequences of damage to the common peroneal nerve?
Foot drop
Loss of sensation to the dorsum of the foot at least
No change in reflexes or autonomic function
Describe the position of the posterior tibial artery relative to the medial malleolus.
It is posterior to the medial malleolus
