Related Experiment Video
Updated: Apr 19, 2026

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
Virtual coaching for the high-intensity training of a powerlifter following coronary artery bypass grafting
Richard Adams1, Jenny Adams1, Huanying Qin1
1Cardiac Rehabilitation Department, Baylor Jack and Jane Hamilton Heart and Vascular Hospital (R. Adams, J. Adams, Bilbrey, Schussler); the Quantitative Science Department, Baylor Scott & White Health (Qin); and the Division of Cardiology, Department of Internal Medicine, Baylor University Medical Center at Dallas and Baylor Heart and Vascular Hospital, and the Texas A&M Health Science Center, College of Medicine (Schussler).
Abstract:
A 55-year-old powerlifter in Tennessee learned about the sport-specific, high-intensity cardiac rehabilitation training available in Dallas, Texas, and contacted the staff by phone. He was recovering from quadruple coronary artery bypass grafting (CABG) and had completed several weeks of traditional cardiac rehabilitation in his hometown, but the exercise program no longer met his needs. He wanted help in returning both to his normal training regimen and to powerlifting competition but was unable to attend the Dallas program in person. An exercise physiologist with the program devised a virtual coaching model in which the patient was sent a wrist blood pressure cuff for self-monitoring and was advised about exercises that would not harm his healing sternum, even as the weight loads were gradually increased. After 17 weeks of symptom-limited, high-intensity training that was complemented by phone and e-mail support, the patient was lifting heavier loads than he had before CABG. At a powerlifting competition 10 months after CABG, he placed first in his age group. This case report exemplifies the need for alternative approaches to the delivery of cardiac rehabilitation services.
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Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes

