Anatomy Trains Structural Integration: A Path to Well-being
- somatichaa
- Jun 23
- 3 min read
Updated: 3 days ago
The concept of structural integration began with Dr. Ida Rolf in 1958. Her 10-series approach laid the foundation for what would evolve into many methods over time. One of the most notable developments is Anatomy Trains Structural Integration (ATSI), created by Tom Meyers. This method builds on Dr. Rolf's original blueprint for structural integration.
ATSI emphasizes continuous myofascial lines of tension throughout the body. A healthy and resilient system relies on optimal tensegrity for efficient movement and function.
Understanding the 12 Series
Anatomy Trains Structural Integration utilizes a 12-series protocol to effectively address the myofascial lines of tension. Each session aims to enhance the individual’s somatic map and body awareness.
Initial Four Sessions
The first four sessions concentrate on differentiating superficial tissues. They create space for deeper work in the following sessions.
Superficial Front Line (SFL): Engages the front of the body.
Superficial Back Line (SBL): Addresses the posterior aspect.
Lateral Line (LL): Opens up the sides.
Spiral Line (SPL): Corrects superficial rotations.
Core Sessions
The next four sessions target deeper myofascia. This stage is essential for releasing ingrained patterns. It aims to create coherent support lines from the feet to the head.
Deep Front Line (DFL): Focuses on the inseam of the leg.
Deep Front Line (DFL): Enhances deeper breath and rotation.
Deep Back Line (DFL): Balances the front with deep back work.
Deep Front Line (DFL): Connects head, neck, and jaw.
Final Sessions
The last four sessions bridge the gap between superficial tissues and the deep front line. They emphasize coordination of movement within gravity.
Gait: Ensures ease of movement.
Breath: Provides space for breath expansion.
Shoulder and Arm Lines: Positions arms over the ribcage.
Balance and Graduation: Settles the entire movement pattern.
Completing the 12 sessions marks a significant journey for clients. It acts as a catalyst for change—be it physical, emotional, or mental. The tactile information learned can take weeks to months for full integration. After a 12-series completion, it is advised to wait 6 months to a year before pursuing another extensive series. If needed, a 3-series can be performed in the meantime.
Exploring the 3 Series
The 3-series approach serves as a follow-up tune-up after a 12-series, perfect for those with limited time. It is also ideal for athletes in season.
Structure of the 3 Series
Pelvic Girdle: Balances myofascial lines from feet to pelvis.
Pelvis to Shoulder Girdle: Enhances breath and ribcage alignment.
Spine Out: Unwinds spinal tension and restrictions.
The 3-series is less intense than the 12-series. clients can pursue a longer series sooner after completing this shorter option. That flexibility allows for continued improvement.
Key Takeaways: Comparing 12 and 3 Series
The 12-series offers a thorough body-wide awareness and significant potential for movement and change. This comprehensive method takes longer to fully assimilate into physical, emotional, and mental realms.
Conversely, the 3-series focuses on rapid assessments and corrections. Although it lacks the depth of the 12-series, this shorter version remains effective for those with limited time.
By completing the 3-series after a 12-series, clients are better prepared for the advanced work involved in Anatomy Trains Structural Integration. This holistic approach becomes a transformative catalyst for ongoing physical, emotional, and mental changes, continuing to develop long after the entire 12-series.
References
About Tom Myers - Background & History. (n.d.). Anatomy Trains. https://www.anatomytrains.com/about-us/about-tom-myers/
History of Rolfing - Dr. Ida Rolf Institute. (2025). Rolf.org. https://rolf.org/history.php
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