Lumbar spine Flashcards
Where do cervical nerve roots exit the spinal canal
Above the pedicle of the corresponding vertebrae
Where do lumbar nerve roots exit the spinal Canal
Below the corresponding pedicle
What motor function does T1-T6 control in the body
Trunk and intercostals
What part of the spine have control of abdominal muscles
T7-L1
Why is it hard to determine which nerve is effected when located in the T-Spine
Overlying dermatoses make it hard to differentiate
What pathology are you most concerned about in regards to the T-Spine
Fractures
SCI
Pediatric deformity
Scoliosis
What lumbar nerve control hip flexion and hip adduction
L2, L3
What does the L4 nerve control
Patellar reflex
What Lumbar motor nerve control ankle dorsiflexion, hip extension, hip abduction
L5
What does the S1 nerve control
Achilles reflex
What nerves are in control of sphincter tone
S5
What does the babinski reflex test
A central pathology (brain + spinal cord)
What does a normal babinski test look like
Run a sharp instrument from heel to toe
- a normal test = flexion of toes
What is the babinski sign
When the toes flex with the babinski test
What does sustained ankle clonus indicate
Spinal cord pathology
What is the FABER test
hip Flexed to 90 degrees
ABduct &
Externally
Rotated
What is the FABER test used for
Differentiate between hip and sacral pain
If there is back pain for the FABER test, what is it indicative of
SI joint dysfunction
If there is groin pain with the FABER test, what is it indicative of
Hip pathology
What are some lumbosacral tests
Faber
Straight leg raise
What is a positive straight leg raise
Having radicular pain between 30-70 degrees of hip flexion
What is the gold standard for diagnosing back pain
MRI
When is MRI with contrast used for confirming back pain diagnosis
Had previous surgery
suspicion / Hx of cancer
Concern of infection
When can an MRI be ordered for back pain
Failure of at least 1 month of conservative management
What are red flags that allow for immediate MRI for back pain
Cauda Equina sx
H/O IVDU
associated fever/chills
H/O or concern for cancer
H/O trauma
What test is ordered if an MRI with contrast can not be done
CT angio
What test can help pinpoint which nerve or pathway is compressed
EMG / NCV
What is the treatment buffet for back pain
Heat / rest/ ice
PT / home exercise
Alternative treatment
Bracing (peds only)
Medications
injections
surgery
Why is bracing avoided in adults when there is no deformity or fracture
Chronic brace use can exacerbate pain descondary to reconditioning
What is the top pain medication to recommend for patients with back pain
Tylenol (acetaminophen)
Which anti-inflammatories can someone take with back pain
Aleve / Advil
Diclofenac, meloxicam, etodolac, indomethacin
Celecoxib
When are NSAIDs contraindicated for patients
CKD
DM
Caution for heart disease
What medications can be given for nerve pain
gabapentin
Pregabalin
What is important to remember if gabapentin is prescribed
There are many side effects
Cannot stop abruptly - must wean
-> lowers seizure potential
When can pregabalin be prescribed
After a failed trail with gabapentin
What type of muscle relaxers can be prescribed for patients
Cyclobenzaprine
methocarbamol
tizanidine
Carisoprodol (soma)
Benzodiazepines
What are some types of Benzodiazepines
Valium / Diazepam
Alproxolam / Xanax
What are controlled substance muscle relaxers
Carisoprodol(soma)
Benzodiazepine
What are side effects with muscle relaxers
Respiratory depression, especially with concurrent pain meds / elderly patients
What type of medications help with night time nerve pain
Nortriptyline
TCA medication
* both are tricyclic antidepressants
What do you have to be careful with / aware of with trycyclic antidepressants
Can OD on these
What antidepressants can be prescribed for chronic pain
SNRI
Duloxetine
What steroids can you use for acute pain
Methylprednisolone
What is important to remember when prescribing steroids
Must taper the dose - don’t stop abruptly