CH.13 THE HAMMOCK ATLAS
Deep Front LineDFL
Stabilizes the deepest axis
The deepest axis of the body, from the head to the sole of the foot
The only line that travels at the deepest level, and the only one that passes through both the pelvic floor and the diaphragm. It is not responsible for movement but for holding you up — and until it releases, neither the breath nor the pelvis can return to place.
Where this line runs
- 01Jaw · base of the skull
- 02Infrahyoid muscles
- 03Longus colli · longus capitis
- 04Pericardium · mediastinum
- 05Diaphragm (the second change-over) ★
- 06Psoas major · iliacus
- 07Pelvic floor (the first change-over) ★
- 08Adductor group
- 09Back of the knee · popliteus
- 10Behind the medial malleolus
- 11Deep sole of the foot · tibialis posterior
What this line does
The Deep Front Line runs from the sole of the foot up to the head, supporting the center of the body and holding up gait and posture. It lies at the deepest level and has no movement of its own, yet it is closely tied to the diaphragm and to the membranes around the organs, and it holds up the arch of the foot.
How to train it
Deep muscle sits deep. The order is to release the surface first and then work inward, starting from the sole of the foot and moving up. Around the diaphragm and the iliopsoas you are close to the organs, so go slowly and lightly.
Go deeper
The force that sends the leg forward as you walk actually comes from tension in the Deep Front Line, not from driving with the thigh. That requires an ankle that can bend, a hip that can extend, and enough softness in the deep calf.
Clues
The axis will not hold, and after a while standing you start looking for something to lean on
- After ten minutes standing you want to shift feet or find a wall
- Lifting something heavy, you feel it in your lower back before your legs
- Your breathing mostly stays in the chest and the belly barely moves
- Lying on your back and lifting a leg, the lower back comes off the floor first
When the deep layer cannot hold, the surface compensates. Rectus abdominis and erector spinae stay braced all day, and standing becomes an effort rather than something you simply do.
The Deep Front Line is one whole block from the diaphragm to the pelvic floor. Only when that block works can the breath settle and the parasympathetic side come forward.
Test it yourself
Lie on your back with the knees bent and slowly extend one leg to the floor, keeping the lower back down the whole way. If it lifts, the deep layer is not holding yet.
The rest of it, a book can’t carry
What this line feels like when it releases, I can’t put into writing.
Lie into the hammock and find out for yourself.