Passive static stretching dominates most adult flexibility and mobility programmes. It is familiar, comfortable, and produces an immediate sensation of increased range of motion. It is also, in terms of durable functional improvement, substantially inferior to active mobility training. The evidence for active over passive approaches has been consistent for two decades and is rarely reflected in practice.
Why Passive Gains Do Not Last
The immediate range of motion increase produced by static stretching results from temporary neurological changes: reduced efferent neural activity to the muscle, reduced sensitivity of muscle spindles, and altered pain perception at the end range. These changes reverse within minutes to hours. Repeated passive stretching does produce gradual increases in passive range over time, but this increased range is not automatically accompanied by the active strength and neurological control required to use it in movement.
What Active Mobility Work Does Differently
- Trains the nervous system to allow and control end-range positions under load, producing neurological change that persists beyond the training session
- Builds the eccentric and isometric strength required to stabilise joints at the end of their range, reducing injury risk in those positions
- Improves the proprioceptive awareness of end-range positions, making their use in movement more automatic and refined
- Produces muscle hypertrophy in the lengthened range, the most valuable region of the strength curve for functional mobility
The Practical Application
Replacing static holds with slow, controlled eccentric movements through the end range, adding isometric contractions at the end range for five to ten seconds before releasing, and performing strength exercises through the fullest achievable range of motion all constitute active mobility training. These approaches are more demanding than passive stretching and produce proportionally greater results.