Spinal cord levels: Difference between revisions

Latest revision as of 12:02, 24 October 2020

Motor Exam (Myotomes)

Sensory dermatome by spinal level.

Spinal cord tracts

Lower limb peripheral innervation

C3-C5: Diaphragm
C5: Shoulder Abduction
C5-C6: Elbow Flexion
C6-C7: Wrist Extension
C7-C8: Elbow Extension
C8: Finger Flexion
T1-T6: Intercostal Muscles
L3-L4: Thigh Adduction
L2-L4: Knee Extension
L4-L5: Ankle Dorsiflexion
L5-S1: Great Toe Extension
S1-S2: Ankle Plantarflexion
S2-S4: Anal Sphincter Contraction

Reflexes

Level	Reflex
C5	biceps
C6	brachioradialis
C7	triceps
L3	quadriceps
S1	achilles tendon
S2,3,4	bulbocavernosus, anal wink

Sensory Exam

C2 Occiput
C3 Thyroid Cartilage
C4 Suprasternal Notch
C5 Below Clavicle
C6 Thumb
C7 Index Finger
C8 Little Finger
T4 Nipple Line
T10 Umbilicus
L1 Femoral Pulse
L2-L3 Medial Aspect of Thigh
L4 Knee
L5 Lateral Aspect of Calf
S1 Lateral Aspect of Foot
S2-S4 Perineal Region

Cervical Exam by Level

Radiculopathy	Motor Deficit	Sensory Deficit	Diminished Reflex
C4	Levator Scapulae & Shoulder elevation
C5	Deltoid & Biceps		Biceps
C6	Brachioradialis & Wrist extension	Thumb Paresthesia	Brachioradialis
C7	Triceps & Wrist flexion	Index/Middle/Ring Paresthesia	Triceps
C8	Index/Middle distal phlnx flexion	Small Finger Paresthesia

References

Authors:

@@ Line 1: / Line 1: @@
-==Motor Exam==
+==Motor Exam (Myotomes)==
+[[File:Dermatoms alt.png|thumb|Sensory dermatome by spinal level.]]
+[[File:Spinal cord tracts.svg|thumb|Spinal cord tracts]]
+[[File:Lower limb peripheral innervation.png|thumb|Lower limb peripheral innervation]]
 *C3-C5: Diaphragm
 *C5: Shoulder Abduction
@@ Line 14: / Line 18: @@
 *S2-S4: Anal Sphincter Contraction
-==Sensory Exam==
+===Reflexes===
-*C2 Occiput
+{| class="wikitable"
-*C3 Thyroid Cartilage
-*C4 Suprasternal Notch
-*C5 Below Clavicle
-*C6 Thumb
-*C7 Index Finger
-*C8 Little Finger
-*T4 Nipple Line
-*T10 Umbilicus
-*L1 Femoral Pulse
-*L2-L3 Medial Aspect of Thigh
-*L4 Knee
-*L5 Lateral Aspect of Calf
-*S1 Lateral Aspect of Foot
-*S2-S4 Perineal Region
-==Spinal Reflex Exam==
-*C6 Biceps
-*C7 Triceps
-*L4 Patellar
-*S1 Achilles
-== Deficits ==
-{| style="width: 500px" border="1" cellpadding="1" cellspacing="1"
-|-
-| Level
-| motor sensory deficit<br/>
-|-
-| C3
-| lower neck
-|-
-| C4
-| diaphragm/clavicular
-|-
-| C5
-| deltoid,biceps/lat upperarm
-|-
-| C6
-| extensor carpi rad/thumb,lat forearm
-|-
-| C7
-| triceps,wrist flexors,finger extensors/ middle finger
-|-
-| C8
-| finger flexors/ little finger
-|-
-| T1
-| hand intriniscs/ medial forearm
-|-
-| T4
-| intercostals/nipples
-|-
-| T10
-| abdominals/ umbilicus
-|-
-| T12
-| &nbsp;/suprapubic area, inguinal ligament
-|-
-| L1
-| illiopsoas /upper thigh
-|-
-| L2
-| "
-|-
-| L3
-| quadriceps/lower anterior thigh
-|-
-| L4
-| &nbsp;" /medial calf
-|-
-| L5
-| extensor hallicus longus/dorsal foot
-|-
-| S1
-| gastrosoleus, flexor hallicus longus/little toe
-|-
-| S2
-| anal sphincterbladder/perineum
-|-
-| S3
-| " / "
-|-
-| S4
-| " / "
-|}
-== Reflexes ==
-{| style="width: 500px" border="1" cellpadding="1" cellspacing="1"
 |-
 | '''Level<br/>'''
@@ Line 127: / Line 43: @@
 |}
-==Source==
+==Sensory Exam==
-*Netter's Atlas
+*C2 Occiput
-*Rosen's 2013, Chapter 43- Spinal Injuries- Tables 43-3,43-4
+*C3 Thyroid Cartilage
+*C4 Suprasternal Notch
+*C5 Below Clavicle
+*C6 Thumb
+*C7 Index Finger
+*C8 Little Finger
+*T4 Nipple Line
+*T10 Umbilicus
+*L1 Femoral Pulse
+*L2-L3 Medial Aspect of Thigh
+*L4 Knee
+*L5 Lateral Aspect of Calf
+*S1 Lateral Aspect of Foot
+*S2-S4 Perineal Region
+{{Cervical radiculopathy table}}
+==See Also==
+*[[Sensory exam]]
+==References==
+<references/>
-[[Category:Neuro]]
+[[Category:Neurology]]