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The online coaching & fitness glossary.

60+ training, nutrition, business and client terms in plain English — the words behind a modern coaching practice, defined without the jargon. Search or tap a category to filter.

Educational reference only. Training and nutrition terms are general information, not medical, nutrition, or treatment advice — work within your scope of practice and refer clients to a qualified professional when needed. Business terms are general definitions and carry no income, results, or earnings guarantees.

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