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
Spinal cord levels
Trauma center levels
Midlines
Neck diagnoses
Digital block
Anal tags
Limb Compartments
Hand and finger diagnoses