Loss of skills when stressed, triggered….

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.from the “Warrior’s Edge”:
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“The performance curve referred to by Schmidt is a method of measuring the performance of a skill in relation to relative levels of stress.
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For fine motor skills, or motor skills which have a high degree of cognitive decision-making, the research indicates that optimal performance will occur during low levels of stress.
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Motor skills that are moderate in motor control and cognitive complexity will produce best results during moderate levels of stress.
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Motor skills that use large muscle mass (gross motor skills) and are cognitively simple (require very little decision-making), produce optimal performance during high levels of stress.
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From a physiological perspective, this principle is quite reasonable.
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We know that when the human body perceives stress, the body increases the production of adrenal hormones.
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The adrenal hormones increase blood supply to the extremities, thus increasing an individual’s strength potential.
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This explains why gross motor skills, such as power-lifting, can be performed optimally under high levels of stress.
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However, an increase in adrenal hormones will also interfere with fine motor skills and accuracy during event performance.
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PTSD brings acute stress when triggered, eliminating our fine motor skills, ability to,
think clearly and not avoid.”
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