The immediate effect of neuromuscular joint facilitation on the rotation of the tibia during walking.
Desheng Li, Qiuchen Huang, Ming Huo and 2 others
PMID 28210049WHAT IT FOUND
Immediately after NJF, 12 healthy young adults showed less internal tibial rotation and more external tibial rotation during walking; a repeat walk without NJF showed no change.
Key findings
01In 12 healthy young adults, NJF changed maximum tibial rotation during one gait cycle: internal rotation from 19.1 ± 5.9 to 16.3 ± 7.4 degrees and external rotation from 3.6 ± 2.9 to 5.4 ± 3.2 degrees.
02A repeat walk without NJF showed no change in these rotations.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Only 12 healthy young adults were tested, so the results cannot be applied to patients or to people with knee problems. The study measured tibial rotation during walking, not pain, strength, walking ability, or patient-reported function. The measurements were immediate only; no follow-up was reported. The paper does not state that participants were randomly assigned, blinded, or that the control and NJF sessions were counterbalanced. The control and NJF sessions were measured in separate sessions one week apart, so time, learning, or rest effects cannot be fully separated.
The easy way to misread this
Do not read this as proof that NJF improves walking ability or knee function in patients. It tested only immediate tibial rotation in 12 healthy young adults and did not measure pain, strength, or functional walking outcomes.