E. B. Brody

PARASYMPATHETIC WITHDRAWAL IS SIMILAR IN TRAINED AND UNTRAINED YOUNG MALES DURING PROGRESSIVE RELATIVE AEROBIC WORK: 248

B. Hatfield, S. Porges, A. Mahon, 1980 .

Respiratory sinus arrhythmia during exercise in aerobically trained and untrained men.

B. Hatfield, S. Porges, A. Mahon, 1998, Medicine and science in sports and exercise.

The Effect of a Psyching Strategy on Neuromuscular Activation and Force Production in Strength-Trained Men

B. Hatfield, T. Spalding, M. Frazer, 2000, Research quarterly for exercise and sport.

Generalization of Self-Efficacy to a Continuum of Stressors Upon Mastery of a High-Risk Sport Skill

Bradley D. Hatfield, B. Hatfield, T. Spalding, 1988 .

The effect of psychological strategies upon cardiorespiratory and muscular activity during treadmill running.

B. Hatfield, P. Vaccaro, A. Mahon, 1992, Medicine and science in sports and exercise.