Back Extension on the T-BOW® on the T-Box®
- T-BOW TRAINING AND THERAPY
- Mar 25, 2025
- 2 min read
Updated: Mar 9
Back Extension Basics on the T-BOW® on the T-Box®
by Maja Tsirimokou
Sandra Bonacina (professor of physiotherapy at Zurich University and inventor of the T-BOW®) points out three crucial elements for proper backward lying technique are:
1. Ensure all vertebrae make contact with the bow.
2. Maintain a straight line between the neck and head.
3. Ensure the bottom touches the floor.
In the back extensions on the T-BOW® on the T-Box®, like the example shown in the video, the elevated position of the T-BOW® allows the practitioner to have free space to hang his upper and lower parts of the body, thus not only allowing the hip to be aligned with the lumbar spine and in contact with the anatomical-lumbar-spine bow but also to lower the legs challenging the flexibility of the hip flexors, key actors for a very healthy back extension.
By alternating the elevation of each leg, besides obliging to control the rotational inertia of the spine, the pulling downward of the hip is lessened and the adjustment of the vertebrae with the bow can be more precise.
It is highly recommended not to hyperextend the cervical spine by hanging it backwards, although some young athletes do not usually have problems with this issue, as the practitioner in this video.
An additional T-BOW® in the T-Box® can precisely adapt the position of the neck, providing this way an extraordinarily healthy back extension of all the spine.
Find more options in this article (Optimizing T-BOW® training with the T-Box®):
Kinesiological Adaptation to Natural Lumbar Lordosis: the T-BOW®, Unique on the Market:
Tips of Backward Lying on the T-BOW® by Sandra Bonacina:
Arch Adapted to the Spine's Natural Anatomical Lumbar Lordosis
a. Lying backward on the T-BOW®—thanks to its high proprioceptive sensitivity—prevents the spine from sinking, allowing partially blocked vertebrae to receive mobilizing pressure that promotes natural anatomical lumbar lordosis.
b. Therapeutic segmental strengthening and mobilization of vertebrae while lying prone, sideways or supine.
c. The T-BOW® enables strengthening the abs while maintaining a stable anatomical-structural lumbar lordosis and through a greater range of motion than a flat surface.
d. Thoracic back extension, moves from kyphosis toward lordosis, staying within the T-BOW®'s 40-45-degree limit.
45-Degree Arch for the Wood T-BOW®
40-Degree Arch for the Classic T-BOW®
Typical Profiles · Cobb Method
* Thoracic Kyphosis
20-40 degree arch
* Lumbar Lordosis
40-50 degree arch
Very Quick and Precise Postural Adjustment
The T-BOW®'s curved design, high reactivity, lightweight and single axis of instability promote high proprioceptive sensitivity, enabling very quick and precise postural adjustments.
* On concavity, convexity and narrow edges.
* In stable and unstable situations.
* Barefoot and with sport shoes; and with socks on the wooden version.
* Coordination and balance applicable in therapy and daily and sport activities, for all ages and performance levels.
* Deep joint stabilization & healthy back.
* Glass microspheres in the Wood T-BOW® greatly enhance tactile precision and responsiveness for barefoot use.
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