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Glossary · Anatomy

What is Core?

The muscles of the trunk that stabilize the spine and pelvis.

In context

Core is a key concept in anatomy. The muscles of the trunk that stabilize the spine and pelvis. Knowing what it means — and how it connects to the rest of your training — turns it from jargon into something you can actually use in the gym.

Nishaana is built around ideas like this: it tracks the numbers behind them automatically, so the theory shows up as real progress in your logbook rather than staying abstract.

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Related anatomy terms

Common questions.

What does core mean?

The muscles of the trunk that stabilize the spine and pelvis.

What category does core belong to?

Core is a term from anatomy in strength and fitness training. Browse more anatomy terms in the Nishaana glossary.

Why does core matter for training?

Understanding core helps you train and program more deliberately — it is one of the ideas that separates guessing from a real, repeatable system.

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