Spinal cord levels: Difference between revisions
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==Motor Exam (Myotomes)== | ==Motor Exam (Myotomes)== | ||
[[File:Spinal cord tracts.svg|thumb|Spinal cord tracts]] | |||
[[File:Dermatomes and cutaneous nerves - anterior.png|thumb|Dermatomes and cutaneous nerves - anterior]] | |||
[[File:Dermatomes and cutaneous nerves - posterior.png|thumb|Dermatomes and cutaneous nerves - posterior]] | |||
[[File:Lower limb peripheral innervation.png|thumb|Lower limb peripheral innervation]] | |||
*C3-C5: Diaphragm | *C3-C5: Diaphragm | ||
*C5: Shoulder Abduction | *C5: Shoulder Abduction | ||
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*S1-S2: Ankle Plantarflexion | *S1-S2: Ankle Plantarflexion | ||
*S2-S4: Anal Sphincter Contraction | *S2-S4: Anal Sphincter Contraction | ||
=== Reflexes === | === Reflexes === | ||
Revision as of 15:13, 30 November 2014
Motor Exam (Myotomes)
- 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
See Also
Source
- Netter's Atlas
- Rosen's 2013, Chapter 43- Spinal Injuries- Tables 43-3,43-4