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WorksheetsOrthopaedic Neurology [Part 1]
Total questions: 22
Worksheet time: 12mins
Pressure on a nerve root can result in?
Hyporeflexia
Hyperreflexia
Areflexia
Upper motor neuron lesion/interruption can lead to?
Hyporeflexia
Hyperreflexia
Areflexia
Interruption in basic architecture reflex such as damage to muscle spindle, axon, SC synapse, muscle fibers
Hyporeflexia
Hyperreflexia
Areflexia
What is the MAJOR innervator nerve root of diaphragm?
C4
C6
C7
C2
Testing for C5 integrity involves testing which muscles
Deltoid only
Deltoid and Biceps
Biceps only
Which muscle has almost a pure C5 innervation
Deltoid only
Deltoid and Biceps
Biceps only
This muscle has a mixture of C5 and C6
Deltoid only
Deltoid and Biceps
Biceps only
The main nerve for the Deltoid C5 distribution is
Axillary Nerve
Musculocutaneous Nerve
Suprascapular
Radial Nerve
Which part of the deltoid abducts the shoulder most powerfully?
Middle
Anterior
Posterior
The anterior part of the deltoid ____ the shoulder.
Flexes
Abducts
Extends
The posterior part of the deltoid ____ the shoulder.
Flexes
Abducts
Extends
What muscles are the primary shoulder abductors?
Deltoid (middle)
Deltoid (anterior)
Supraspinatus
Infraspinatus
Deltoid Muscle = C5,C6 =
Axillary Nerve
Suprascapular Nerve
Radial Nerve
Ulnar Nerve
Supraspinatus Muscle = C5,C6 =
Axillary Nerve
Suprascapular Nerve
Radial Nerve
Ulnar Nerve
Secondary Shoulder Abductors are the
Deltoid (Anterior)
Deltoid (Posterior)
Deltoid (Middle)
Serratus anterior
Supraspinatus
What is the role of the serratus anterior in shoulder abduction?
Stabilizes Scapula
Stabilizes Femoral head
Prepares the acromion for stress
Stabilizes clavicles
The Biceps Brachii is innervated by the
Musculocutaneous Nerve
Axillary Nerve
Radial Nerve
Suprascapular Nerve
This muscle is a flexor of the elbow and shoulder as well as the spinster of the forearm.
Biceps Brachii
Triceps Brachii
Brachioradialis
Dorsalis Pedis
Biceps Brachii testing for C5 with
Elbow Flexion
Elbow Extension
Shoulder Abduction
This reflex is an indicator of C5 neurologic integrity
Biceps Reflex
Brachioradialis Reflex
Gag Reflex
Triceps Reflex
How will you notice the Biceps reflex?
Bicep will jerk slightly
Triceps will jerk slightly
Biceps will spastically contract
Biceps will contract for 10 secs
Trauma to axillary Nerve/C5 root wi cause damage to dermatome that runs from
Summit of shoulder to elbow lateral
Left upper hip to knee
Lateral calf over great toe
Over the radial aspect of the wrist and thumb
