Pectoralis minor.
pectoralis minor and subclavius muscle.
The heart is deep to the pectoralis major. That muscle is superficial to the heart.
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)
pectoralis major
Yes it is
pectoralis major
The heart is deep to the pectoralis major. The pectoralis major is superficial to the heart.
It's the Pectoralis Minor!
shoulder: deltoid. Chest: Pectoralis major
No, it is not. It is the large chest muscle.
major pectoralis
shoulder horizontal flexion