Maintaining Seated Posture With Feedback Control of Trunk Musculature Via the Networked Neuroprosthesis After Paralysis: A Case Report.
Matthew W Morrison, Michael E Miller, Lisa M Lombardo and 2 others
PMID 41707129WHAT IT FOUND
A woman with cervical spinal cord injury used implanted stimulation to return to upright sitting from a lean.
The system activated automatically when she tilted too far. This single case shows the technology can restore posture without chest straps.
Key findings
01The participant successfully returned to an erect seated position from forward or lateral bending using feedback-controlled stimulation.
02Average return times were 2.85 seconds for forward, 4.94 seconds for right, and 5.04 seconds for left bending.
03Without the active controller, the participant remained in a flexed or bent position and required assistance from her upper limbs or a therapist to sit upright.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
This is a single case report, so results cannot be generalized to other patients. The return times from lateral bending were longer and more variable than previous studies. The participant had a complete C5-6 injury, which may limit how much the findings apply to those with lower or incomplete injuries. The study did not test the system during functional tasks, only during controlled leaning movements.
Declared interests
Funded by the Department of Defense and the National Institutes of Health. No specific conflicts of interest are declared in the provided text.
The easy way to misread this
Do not assume this technology is currently available for clinical use or that it will work identically for other patients. This was a controlled experiment with one participant using a specialized implanted system, not a standard treatment.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →