Key result
Parachute jumping increased mean heart rate from a basal 78 beats/min to a peak of 160 beats/min, accompanied by parallel rises in adrenaline and noradrenaline concentrations.
Why the study?
Does parachute jumping increase heart rate and stress hormone concentrations in healthy subjects?
Population
8 healthy subjects, ages 23 to 29, within 10% of ideal body weight, who had never made a parachute jump…
Comparison
Parachute jumping vs Basal values (before leaving for the airfield)
Design
Cohort
Follow-up
30 minutes after landing
Authors
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Provides a model for acute sympathetic activation in healthy adults; leaves open relevance to cardiovascular patients or interventions.
Observational (n=8)
Does parachute jumping increase heart rate and stress hormone concentrations in healthy subjects?
Absolute Event Rate: 160% vs 78%
Parachute jumping induces significant physiological stress, characterized by marked increases in heart rate and catecholamine concentrations.
Shilo et al. (1987) conducted an observational in Healthy (n=8). Parachute jumping vs. Basal values was evaluated on Heart rate. Parachute jumping increased mean heart rate from a basal 78 beats/min to a peak of 160 beats/min, accompanied by parallel rises in adrenaline and noradrenaline concentrations.
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