Podcast
Questions and Answers
Which nerve root is associated with the assessment of the upper lateral arm and elbow flexion?
Which nerve root is associated with the assessment of the upper lateral arm and elbow flexion?
- L2
- S1
- C5 (correct)
- C6
What muscle response is tested for the C6 nerve root?
What muscle response is tested for the C6 nerve root?
- Triceps elbow extension
- Lateral forearm, thumb, and first finger (correct)
- Biceps reflex
- Flexor digitorum profundis
Which nerve root involves testing the middle finger and triceps muscle?
Which nerve root involves testing the middle finger and triceps muscle?
- C5
- L2
- C7 (correct)
- C8
What is a specific test maneuver associated with the C8 nerve root?
What is a specific test maneuver associated with the C8 nerve root?
Which nerve root is responsible for testing plantar flexion and the Achilles reflex?
Which nerve root is responsible for testing plantar flexion and the Achilles reflex?
Flashcards
C5 Nerve Root Testing
C5 Nerve Root Testing
A test used to assess the function of the C5 nerve root in the body. It involves testing biceps muscle strength, which allows the elbow to bend, and examining the biceps reflex.
C6 Nerve Root Testing
C6 Nerve Root Testing
A test to check the health of the C6 nerve root. Muscles in the forearm and thumb are assessed, involving actions like wrist extension and thumb flexion. The test does not involve a specific reflex test.
C7 Nerve Root Testing
C7 Nerve Root Testing
A test to evaluate the C7 nerve root's function. It includes assessing the middle finger and triceps muscle, allowing the elbow to straighten. The triceps reflex is also examined.
C8 Nerve Root Testing
C8 Nerve Root Testing
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L5 Nerve Root Testing
L5 Nerve Root Testing
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Study Notes
Nerve Root Function Testing
-
C5 (Vs. Axillary):
- Upper lateral arm; military patch
- Bicep elbow flexion; bicep reflex
- Pull Elbow
-
C6 (Vs. Median):
- Lateral forearm; thumb 1st finger
- Brachioradialis; wrist extension
- Brachio-reflex (reflex)
- Pull Wrist (action)
- Palmer surface, thumb to 4th finger, thumb opposition, weak wrist flexion; No reflex
-
C7 (Vs. Radial):
- Middle finger
- Tricep elbow extension; tricep & wrist extension; tricep reflex
- Push Elbow (action)
- No reflex
-
C8 (Vs. Ulnar):
- 4th and 5th finger to pisiform
- Flexor digitorum profundis; no reflex
- Spread Fingers (action);
- Bisects 4th finger & medial aspect of hand; finger & wrist flexion; add & abd finger ulnar deviation
-
L2 (Vs. Femoral):
- Upper thigh candy cane
- Hip flexor; no reflex
- Spread Fingers (action)
- Front of thigh, to lower leg; hip flexion & knee extension
-
L5 (Vs. Peroneal):
- Lateral lower leg; dorsum of foot
- Hallux (big toe) extension only; no reflex
- Resist Big Toe (action)
- Lateral lower leg; dorsum of foot; toe flexion; ankle dorsi-flexion; no reflex
-
S1 (Vs. Tibial):
- Sole of foot up to gastro; plantar flexion
- Achilles reflex; Tip Toes (action)
- Sole of foot only; plantar and dorsi-flexion; no reflex
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