The Effect of Executive Cognitive Distraction on Sustaining a Volitional Preemptive Abdominal Contraction During a Unipedal Functional Movement in Healthy Participants.
Luciano Garcia, Alex Drusch, Troy Hooper and 5 others
PMID 41346846WHAT IT FOUND
Healthy participants successfully maintained abdominal bracing during a single-leg reach test even while distracted by an auditory task.
However, distraction reduced reach distance in the posteromedial direction, suggesting complex movements may be more vulnerable to cognitive load than simple ones.
Key findings
01Participants were able to maintain the abdominal bracing maneuver with or without cognitive distraction while reaching in all three directions.
02Cognitive distraction significantly reduced reach distance in the posteromedial direction but had no effect on anterior or posterolateral reach distances.
03There was no significant interaction between cognitive distraction and the abdominal bracing maneuver on muscle activation or reach distance.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The sample consisted of young, healthy adults (mean age 26.4 years), so results may not apply to older adults or those with pathology. Participants controlled the speed of their reaching movement; some completed the reach before the distraction task fully engaged, potentially limiting the cognitive load during the critical phase of movement. The study used submaximal voluntary contractions for EMG normalization, which can introduce variability in muscle activation data. The sample was predominantly female, which may affect generalizability to male populations.
Declared interests
The authors declare that they have no conflicts of interest.
The easy way to misread this
Do not assume that cognitive distraction is safe for all patients or all movement directions. This study found a specific reduction in posteromedial reach distance, and the participants were healthy young adults; these findings should not be generalized to injured populations or complex athletic movements without further research.
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 →