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As fitness professionals, we know the important role proper hydration plays in athletic performance. Water, a critical component in sustaining life...

In 2000, scientists first discovered that muscle contractions release exercise-associated signaling molecules. Since then, many other such molecules have risen to...

Heart rate variability, or HRV, refers to the millisecond-level variation between individual heartbeats. Though subtle, each variation reflects the heart’s ability...

A client arrives for a planned strength session after a short night and asks whether training is still worthwhile. The temptation...

A client completes a new lower-body session and spends the next two days negotiating the stairs. Another completes a familiar session,...

Long before it evolved into a popular workout format, yoga served as a means to heal the body from within. The...

Time-efficient strength training begins with a programming question: what does this client need to accomplish with the time they can reliably...