there are two muscles with pectoralis in their name, Pectoralis
Major and Pectoralis Minor. Pectoralis Major is the main muscle of
the chest and pectoralis minor is deep to it (so you can't feel it
because pectoralis major completely covers it)
there are two muscles with pectoralis in their name, Pectoralis
Major and Pectoralis Minor. Pectoralis Major is the main muscle of
the chest and pectoralis minor is deep to it (so you can't feel it
because pectoralis major completely covers it)
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Pectoralis minor.
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pectoralis minor and subclavius muscle.
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The heart is deep to the pectoralis major. That muscle is superficial to the heart.