This data set includes all data associated with the study, "Taking aversive action: an experimental investigation into the negotiation of bodily limits." The data include Gender, Age, BMI and Activity levels (IPAQ). In addition they include all data associated with the main variables of the study, including Interoceptive Accuracy, Heart Rate Variability, Anxiety Sensitivity, Porges Body awareness, and Mean Power Output. Absolute difference scores are provided for time intervals 1, 2, and 3.