The antagonist of the pectoralis major is the latissimus dorsi. Another name for the latissimus dorsi is the deltoid. This is located in the upper shoulder.
latisimus dorsi and deltoid
Deltoid
the triceps is an extensor of your lower arm, so his antagonist in the muscle who's primary action is flexing, that is the biceps.
Brachialis and biceps brachii
Biceps Brachii
The muscles that perform the opposite action (antagonistic) to the pectoralis are mainly the rhomboids, trapezius medius, and latissmus dorsi.
latissimus dorsi
the trapezius
The trapezius.
Rhomboid
Rhomboids
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 minor.
pectoralis minor and subclavius muscle.
The heart is deep to the pectoralis major. That muscle is superficial to the heart.
shoulder: deltoid. Chest: Pectoralis major
No, it is not. It is the large chest muscle.
major pectoralis
shoulder horizontal flexion
the shin muscle
anterior
The largest chest muscle in a cat's body is the pectoralis minor. In humans, the largest chest muscle if the pectoralis major.
yes! xx.