Activity intolerance is common. For decades, we’ve used the three-gear model to describe the process the human body uses to produce work in the form of activity. The three-gear diagram graces the ...

Nothing causes more consternation than an academic debate over activity intolerance. Admittedly, the format for the 2025 NBA All-Star game comes close, as does the new NFL kickoff rule where no one ...

Exercise intolerance, or the inability to perform physical activity at the expected or desired level, is one of the many symptoms associated with long COVID. In a study, Yale researchers help explain ...