Spine Flashcards
Which nerve innervates the knee reflex
Femoral
Which level of the spinal cord does the femoral nerve come from?
L3/4
Which nerve innervates the biceps reflex
musculocutaneous
Which root spinal nerves is the musculocutaneous nerve supplied from
C5/6
Which nerve is tested in the triceps reflex
Radial
Which spinal roots does the radial nerve originate from
C7/8
Which nerve is testes in the ankle reflex
Tibial
Which spinal roots does the Tibial nerve originate from
S1/2
Which structure is in dermatome T4
Nipple
Which dermatome supplies the umbilicus
T10
Which structure fingers are in dermatome C6
Thumb and index finger
Which dermatome is the middle finger in?
C7
which dermatome supplies the fourth and fifth fingers
C8
which dermatome supplies the upper thigh
L1
which dermatome supplies the knee
L3
which structure is supplied but the dermatome L4
medial malleolus
which toes are supplied by dermatome L5
1-3
which toes are supplied by dermatome S1
4 + 5
which dermatome supplies the perineal region
S3,4,5
how many vertebrae are there in the cervical region
7
how many vertebrae are there in the thoracic region
12
how many vertebrae are there in the lumbar region
5
how many vertebrae are there in the sacral region
5
Which vertebrae doesn’t have a spinous process or body
C1
which vertebrae has an odontoid process
C2
what are the main 2 components of the intervertebral discs
Annulus fibrosus
nucleus pulposus
Which ring in the intervertebral discs dehydrates with age?
nucleus pulposus
is the annulus fibrosis the inner or outer ring in the discs
outer
what are the 5 main vertebral ligaments
Anterior longitudinal ligaments Posterior longitudinal ligaments Ligamentum flavum Supraspinous Ligament Interspinous ligament
At which spinal levels are LP performed at
L3/4 or L4/5
What are some causes of low back pain
Mechanical Lumbar disc herniation Cauda equina Lumbar stenosis Malignancy Trauma Infection
What is the most common cause of back pain
Mechanical back pain
A patient complains of morning stiffness which resolves with movement
Mechanical back pain
What are some red flags fro low back pain
>60 or <20 Not improved by rest Wakes patient Urinary retention/incontinence Saddle anaesthesia Unexplained weight loss
