Key result
Crane rescue maneuvers trigger greater psychophysiological stress and cardiorespiratory strain than low-altitude helicopter flights.
Why the study?
The study was conducted to analyze the psychophysiological stress response of a helicopter crew using portable biosensors and to assess response differences between experienced and non-experienced crew members.
Does a crane rescue helicopter maneuver elicit a higher psychophysiological stress response than a low-altitude flight maneuver in experienced military and non-experienced civilian crew members?
RCT (n=27)
Divided randomly by the military chief into two groups depending on the flight
No
Does a crane rescue helicopter maneuver elicit a higher psychophysiological stress response than a low-altitude flight maneuver in experienced military and non-experienced civilian crew members?
Portable biosensors effectively detect anticipatory sympathetic activation and distinct psychophysiological stress demands during high-risk military helicopter maneuvers, which can inform targeted crew training.
Answers are grounded in this paper and cite their sources.
Crane maneuvers warrant targeted stress mitigation training in helicopter crews; extends biosensor validation to high-risk aviation operations.
This study aims to analyze the psychophysiological stress response of a helicopter crew using portable biosensors, and to analyze the psychophysiological stress response differences of experienced and non-experienced crew members. We analyzed 27 participants (33.89 ± 5.93 years) divided into two different flight maneuvers: a crane rescue maneuver: 15 participants (three control and 12 military) and a low-altitude maneuver: 12 participants (five control and seven military). Anxiety, rating of perceived exertion, subjective perception of stress, heart rate, blood oxygen saturation, skin temperature, blood lactate, cortical arousal, autonomic modulation, leg and hand strength, leg flexibility, spirometry, urine, and short-term memory were analyzed before and after both helicopter flight maneuvers. The maneuvers produced a significant increase in stress and effort perception, state of anxiety, and sympathetic modulation, as well as a significant decrease in heart rate, blood oxygen saturation, leg and inspiratory muscle strength, and urine proteins. The use of biosensors showed how a crane rescue and low-altitude helicopter maneuvers produced an anticipatory anxiety response, showing an increased sympathetic autonomic modulation prior to the maneuvers, which was maintained during the maneuvers in both experienced and non-experienced participants. The crane rescue maneuver produced a higher maximal heart rate and decreased pulmonary capacity and strength than the low-altitude maneuver. The psychophysiological stress response was higher in the experienced than in non-experienced participants, but both presented an anticipatory stress response before the maneuver.
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Vicente-Rodríguez et al. (2020) conducted an RCT in Psychophysiological stress response during helicopter flight maneuvers (n=27). Crane rescue helicopter flight maneuver vs. Low-altitude helicopter flight maneuver (and experienced military vs non-experienced civilian controls) was evaluated on Psychophysiological stress response (subjective stress perception, rating of perceived exertion, anxiety, heart rate variability, spirometry, and muscle strength) (p=≤0.05). Crane rescue helicopter maneuvers produced higher maximal heart rate, perceived stress, and anxiety alongside greater decreases in pulmonary capacity and strength than low-altitude flight maneuvers.
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