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Training & Fitness Terminology


Isotonic has many definitions in health and science.

Chemistry & Biochemistry

An isotonic solution is one that has an equal amount of dissolved solute in it compared to the things around it. Sports drinks are said to be isotonic if they contain concentrations of salt levels that mimic the osmolality of blood.

Fitness & Training

Isotonic literally means equal tension. An isotonic contraction is a contraction in which the tension remains constant as the muscle shortens or lengthens.

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More Fitness

Fitness is the key to success in sport. Following basic principles, you can develop fitness components such as strength, speed and endurance. See our colection of exercises and fitness equipment. Ensure you warm-up and stretch before any workout.

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