Exposure to space environment disrupts the sensorimotor system due to adaptation to microgravity, leading to spatial disorientation, impaired coordination, and reduced postural control upon return to Earth. To simulate these effects, a six‑degree head‑down bed rest (HDBR) protocol was used....
No actionable change for clinical audiology practice; findings are relevant to space medicine and vestibular research but are too preliminary for clinical protocol adaptation.
Understanding how simulated microgravity disrupts the sensorimotor system (the network controlling balance and movement) may inform vestibular rehabilitation strategies for deconditioning populations, though translation to clinical practice is distant.
- 0114-day head-down bed rest was used to model sensorimotor changes caused by microgravity (weightlessness in space).
- 02The RCT compared balance outcomes in groups with and without exercise countermeasures.
- 03Standing balance control was the primary outcome measure.
- 04Findings have potential relevance to vestibular rehabilitation research.
- 05Clinical translation to everyday audiology or balance practice is not yet established.
Head-down bed rest for 14 days disrupts standing balance control as a model for microgravity-induced sensorimotor disruption.
studypartially supportedExercise countermeasures during bed rest may mitigate balance control deficits.
studypartially supported- PMID
- 42362567
- DOI
- 10.1038/s41526-026-00624-x.
- Journal
- npj Microgravity
- Publication type
- research_article
- Evidence level
- 1b
- Population
- Healthy adults undergoing 14-day head-down bed rest to simulate microgravity
- Intervention
- 14-day head-down bed rest with exercise countermeasure
- Comparator
- 14-day head-down bed rest without exercise countermeasure
Primary outcomes
Standing balance control