SCI Sensory Landmarks

What are the high-yield cervical sensory landmarks?

• C2 → occipital protuberance

• C3 → supraclavicular fossa

• C4 → top of AC joint

• C5 → lateral antecubital fossa

• C6 → thumb

• C7 → middle finger

• C8 → little finger

• T1 → medial antecubital fossa

What are the major thoracic sensory landmarks?

• T2 → apex of axilla

• T4 → nipple line

• T6 → xiphoid level

• T10 → umbilicus

• T12 → inguinal ligament region

What are the major lumbar sensory landmarks?

• L1 → between T12 and L2 region

• L2 → mid-anterior thigh

• L3 → medial femoral condyle

• L4 → medial malleolus

• L5 → dorsum of foot near 3rd MTP

What are the major sacral sensory landmarks?

• S1 → lateral heel

• S2 → popliteal fossa

• S3 → ischial tuberosity

• S4–S5 → perianal region

Which dermatome landmarks should be memorized first for the NPTE?

• C6 → thumb

• C7 → middle finger

• C8 → little finger

• T4 → nipple

• T6 → xiphoid

• T10 → umbilicus

• L4 → medial malleolus

• S1 → lateral heel