ArticleEuropean journal of applied physiology2019
A novel approach for establishing fitness standards for occupational task performance.
Article in European journal of applied physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Spaceflight and sport science: Physiological monitoring and countermeasures for the astronaut-athlete on Mars exploration missions.Experimental physiology · 2026Review
- Jumping in simulated lunar gravity with blood flow restriction as a potential exercise countermeasure: The acute physiological effects.Experimental physiology · 2026Article
- A systematic review identifying fitness metrics indicative of simulated astronaut extravehicular activity task performance.NPJ microgravity · 2026Article
- Spaceflight human optimization and performance: positioning astronauts in an operational framework to promote health, fitness, and mission readiness.Frontiers in physiology · 2026Review
- Effects of exercise countermeasures on multisystem function in long duration spaceflight astronauts.NPJ microgravity · 2023Article
- High intensity training during spaceflight: results from the NASA Sprint Study.NPJ microgravity · 2020Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
purposeTo identify strength and performance thresholds below which task performance is impaired.
methodsA new weighted suit system was used to manipulate strength-to-body-weight ratio during the performance of simulated space explorations tasks. Statistical models were used to evaluate various measures of muscle strength and performance on their ability to predict the probability that subjects could complete the tasks in an acceptable amount of time. Thresholds were defined as the point of greatest change in probability per change in the predictor variable. For each task, median time was used to define the boundary between "acceptable" and "unacceptable" completion times.
resultsFitness thresholds for four space explorations tasks were identified using 23 physiological input variables. Area under receiver operator characteristic curves varied from a low of 0.68 to a high of 0.92.
conclusionAn experimental analog for altering strength-to-body weight combined with a probability-based statistical model for success was suitable for identifying thresholds for task performance below which tasks could either not be completed or time to completion was unacceptably high. These results provide data for strength recommendations for exploration mission ambulatory task performance. Furthermore, the approach can be used to identify thresholds for other areas where occupationally relevant tasks vary considerably.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.