Lecture Midterm 2 Flashcards
The cervical plexus makes up what spinal nerves?
C1-C4
The brachial plexus makes up what spinal nerves?
C5-T1
What are the important details when performing motor tests?
Clear explanation to the patient
-Test across one joint
-Steady pressure for a count of 3 with no ballistic stresses
When a person is giving a motor testing grade of 5, what does that mean?
Complete range of motion against gravity with full resistance
When a person is given a motor testing grade of 4, what does that mean?
Complete range of motion against gravity with some resistance
When a person is given a motor testing grade of 3, what does that mean?
Complete range of motion against gravity only
When a person is given a motor testing grade of 2, what does that mean?
Complete range of motion with gravity eliminated
Your patient is able to raise their arm into abduction, but cannot resist any over pressure. What is the correct grading for this finding?
3/5
Your patient is able to raise their arm into abduction with full resistance. What is the correct grading for this finding?
5/5
When a herniated disc is present between C5 and C6, what nerve root is affected?
C6
What muscle would you test to examine the C5 nerve root?
Deltoid
What muscle would you test to examine the C6 nerve root?
Wrist extensors
What muscle would you test to examine the C7 nerve root?
Wrist flexors
What muscle would you test to examine the C8 nerve root?
Finger flexors
What muscle would you test to examine the T1 nerve root?
Interossei
What deep tendon reflex would you use to examine the C5 nerve root?
Biceps tendon
What deep tendon reflex would you use to examine the C6 nerve root?
Brachioradialis tendon
What deep tendon reflex would you use to examine the C7 nerve root?
Triceps tendon
What deep tendon reflex would you use to examine the C8 nerve root?
There is no reflex
What deep tendon reflex would you use to examine the T1 nerve root?
There is no reflex
What is the sensory dermatome for C5 nerve root?
Lateral arm
What is the sensory dermatome for C6 nerve root?
Lateral forearm, thumb, and lateral side of 2nd digit
What is the sensory dermatome of C7 nerve root?
Medial side of 2nd digit, 3rd digit, and lateral side of 4th digit
What is the sensory dermatome of C8 nerve root?
Medial forearm, 5th digit, and medial side of 4th digit
What is the sensory dermatome of T1 nerve root?
Medial arm from axilla to elbow
Interosseous wasting is a symptom of what conditions?
Apical lung tumor or space occupying lesion on the inferior aspect of the brachial plexus
What deep tendon reflex would you use to examine the Musculocutaneous nerve?
Biceps tendon
What deep tendon reflex would you use to examine the Radial nerve?
Brachioradialis or Triceps tendon
What is the order of muscle testing needed to assess the axillary nerve motor function?
- Deltoid
- Teres minor
What is the order of muscle testing needed to assess the musculocutaneous nerve motor function?
- Biceps
- Coracobrachialis
What is the order of muscle testing needed to assess the radial nerve motor function?
- Extensor digitorum
- Wrist extensors (extensor carpi radialis longus and brevus)
- Brachioradialis
- Triceps + Anconeus
What is the order of muscle testing needed to assess the median nerve motor function?
- Flexor pollicus brevis
- Flexor digitorum profundus (2nd and 3rd digit)
- Flexor carpi radialis
What is the order of muscle testing needed to assess the ulnar nerve motor function?
- Adductor pollicus
- Flexor digitorum profundus (4th and 5th digit)
- Flexor carpi ulnaris
- Interossei
What is the largest nerve in the upper extremity?
Radial nerve
What is the most commonly entrapped nerve in the body?
Median nerve
A patient comes in and complains of weak abduction of their arm. What nerve root or peripheral nerve would you suspect could be an issue?
C5 or Axillary nerve
A patient comes in and complains of weak external rotation of their arm. What nerve root or peripheral nerve would you suspect to be an issue?
C5 or Axillary nerve
A patient comes in and complains of weak elbow flexion in a supinated position. What nerve root or peripheral nerve would you suspect to be an issue?
C5 or Musculocutaneous nerve
A patient comes in and complains of weak wrist extensions. What nerve root or peripheral nerve would you suspect to be an issue?
C6 or Radial nerve
A patient comes in and complains of weak elbow extension. What nerve root or peripheral nerve would you suspect to be an issue?
C7 or Radial nerve
A patient comes in and complains of weak wrist flexion. What nerve root or peripheral nerve would you suspect to be an issue?
C7 or Ulnar and Median nerve
A patient comes in and complains of weak finger flexion. What nerve root or peripheral nerve would you suspect to be an issue?
C8 or Median nerve
When performing an orthopedic test, what side of the body should you test first?
Asymptomatic side
When charting an orthopedic test, how would you describe the results?
Positive or negative
What type of pain follows along nerves and can be described as a sharp, radiating, pins and needles, or numbness?
Neurological pain
What type of pain follows the dermatome pattern?
Dermatogenous pain
What type of pain is considered a referred pain from sensory irritation to a structure that shared embryological mesodermal innervation and is usually described as burning?
Sclerotogenous pain
What type of pain originates within a muscle due to a trigger point referral and is often described as cramping, spasm, or aching?
Myotogenous pain
What type of pain is considered a throbbing, pulsating pain?
Vascular pain
What test is used to evaluate the patient’s pain threshold by applying firm pressure to the mastoid process?
Libman’s sign
How do you perform O’Donaghue’s Maneuver?
Have the patient move the affected joint/s actively, against isometric contraction, and passively looking for exacerbation of pain
If a doctor performs O’Donaghue’s Maneuver on a patient and they report pain upon resisted motion, what do you suspect the injury is?
Muscle or musculotendinous injury
If a doctor performs O’Donaghue’s Maneuver on a patient and they report pain upon passive motion, what do you suspect the injury is?
Ligamentous, capsular, or articular injury
What test is performed by striking the top of the patient’s head through the doctor’s hand and should not be done?
Spurling’s test
What is the least invasive test for nerve root encroachment?
Neutral Compression Test
What is the positive finding for the Cervical Compression Test?
Sharp shooting pain and/or parenthesis down the upper extremity
What is the order from least invasive to most invasive cervical compression tests?
- Neutral Compression
- Lateral Compression (Jackson’s Compression)
- Rotary Compression
- Hyperextension Compression
- Maximal Foraminal Compression
What three motions are used during the Maximal Foraminal Compression test?
Lateral flexion, extension, and rotation
When performing Jackson’s Compression or Hyperextension Compression tests, where should your line of drive be?
Down the spine (towards the chin)
What are the three positive findings associated with Cervical Distraction Test?
-Decrease in symptoms
-Increase in symptoms down the arm
-Well localized cervical pain