Anatomy Trains

Myofascial meridians · Tom Myers · Tap a line to explore

Most yoga teaching treats muscles as separate, isolated targets. Anatomy Trains offers a different lens: the body’s fascia forms connected pathways running through multiple muscles and joints at once. Tap any line below to see how it maps across the body, and which poses in the SomaAxis library engage it.

Front

Back

Superficial Back Line

SBL
Primary line Secondary line

The body's longest myofascial line — running from the soles of the feet to the top of the skull along the entire posterior surface. Its primary function is to support upright posture and prevent forward collapse. In yoga, forward folds create full length through this line; backbends and Locust compress and tone it. Hamstring 'tightness' is often a SBL phenomenon that also involves the plantar fascia and suboccipital muscles.

Yoga poses

Myofascial Lines

Read: Fascia Yoga — What Anatomy Trains Can Add to Your Sequencing →