Nishaana
What is Pectoralis Major?
The main chest muscle that pushes the arms forward and across the body.
In context
Pectoralis Major is a key concept in anatomy. The main chest muscle that pushes the arms forward and across the body. 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.
Related anatomy terms
Common questions.
What does pectoralis major mean?
The main chest muscle that pushes the arms forward and across the body.
What category does pectoralis major belong to?
Pectoralis Major is a term from anatomy in strength and fitness training. Browse more anatomy terms in the Nishaana glossary.
Why does pectoralis major matter for training?
Understanding pectoralis major 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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