Dermatomes

C2: back of the head shampoo

T4 Nipple line in men

T4-T6 nipple line in women

T10 umbilicus level

L1 inguinal region - L1 for fun

L2 top inner thigh

L3 medial knee

L4 top of knee to medial part of leg to floor to the floor

L5 front of lower leg to top of foot

S1 posterolateral of leg to outside of ankle

S2 is medial to s1

Accessory process off the side like earrings

Mammillary processes on top

Thoracic body is heart shaped

Facet orientation: sacrum: coronal, lumbar: Sagittarius and coronal, thoracic: coronal, cervical: horizontal and transverse

T1 has a full costal facet and an inferior Demi-facet and a transverse facet

Ribs are named after the superior costal facet it articulates with. So 4th rib articulate with T3 and T4

T9 only has a superior costal Demi-facet and transverse

T10 has a full facet and transverse, no inferior

T11/T12 have full facet, no inferiors, and no transverse

ALL limits extension. All others limit flexion

PLL changes name to Tectorial Membrane @ C2 up

Supraspinous ligament changes name to nuchal ligament @ C7 up

Semispinalis 4-6 segments

Multifidus attaches to mammillary processes 2-4 segments

Longus: 2 segments

Brevis 1 segment

Layers of thoracolumbar fascia Anterior to Posterior: In a quiet movie eat popcorn

Intestines, anterior, Quadratus lumborum, middle, erector, posterior