2.1 - Neuro - PPT Nerve Roots & Peripheral Nerves Flashcards
Thursday, Week 2
Describe where the nerve roots exit in relation to their relative vertebrae
Describe the different “sections” of the brachial plexus
Draw out or describe the brachial plexus
When discussing “posterior cord syndrome”, what nerve is primarily affected?
Radial n
Describe the UE dermatomes & myotomes
Describe the sensory innervation for the major peripheral nerves
Describe the nerve roots for the UE reflexes
Describe each of the following types of nerve injuries:
Neuropraxia
Axonotmesis
Neurotmesis
Spinal Accessory Nerve
Muscle Innervation
Sensory Innervation
Clinical Findings
What is lateral winging?
What can cause this?
Suprascapular N (C5-6)
Muscle Innervation
Sensory Innervation
Clinical Findings
Long Thoracic N (C5-7)
Muscle Innervation
Sensory Innervation
Clinical Findings
Musculocutaneous N (C5-6)
Muscle Innervation
Sensory Innervation
Clinical Findings
Axillary N (C5-6)
Muscle Innervation
Sensory Innervation
Clinical Findings
What is a common nerve injury that can occur with anterior shoulder dislocations?
Axillary N
Radial N (C6-T1)
Muscle Innervation
Sensory Innervation
Clinical Findings
Posterior Interosseous N
What nerve is this a branch of?
Describe a common location for this nerve to be injured
Describe how to differentiate between dysfunction of this nerve vs the other nerve
Describe common / potential MOIs for a radial nerve injury
Median N (C5-T1)
Muscle Innervation
Sensory Innervation
Clinical Findings
Anterior Interosseus N
What nerve is this a branch of?
What special test can be used to identify median N (anterior interosseous N) dysfunction?
A patient is unable to bend digits 1-3 while trying to make a fist. What nerve lesion does this likely indicate? Why?
Ulnar N (C8-T1)
Muscle Innervation
Sensory Innervation
Clinical Findings