A phytochemical touted for its ability to increase attention span.

A “calming amino acid” that counteracts anxiety and promotes relaxation.

A person who is motivated to exercise for health benefits.

A person who is motivated to exercise by competition and intensity.

Irregular movement of a fluid with movement varying at any fixed point.

Disturbed or disrupted water flow.

Heart rate taken in the morning for three consecutive days (after waking but before rising) and then averaged.

The imaginary horizontal plane that divides the body into upper and lower halves.

Readiness for change. With five stages, the model is intended to explain or predict a person’s success or failure in…

A training format that provides an option for suspended training in transitional depths (water too shallow for traditional deep-water exercise…