The pectoralis major helps flex the shoulder joint, and moves your arm toward and across your chest.
Not exact matches
The truth is that the decline bench press will
help you achieve complete chest development by recruiting more of the sternocostal head of the
pectoralis major msucle, or the inner pecs, which can be very hard to properly target with other exercises.
Here, your chest will be doing most of the work, especially the
pectoralis major, while the abdominal muscles
help in keeping the body steady during the movements.
Plyometric push - ups will quickly activate your fast - twitch fibers, which are responsible for producing short bursts of power, and
help you build explosive strength in your
pectoralis major, deltoids and triceps.
The sternal (lower) region of the
pectoralis major does most of the work for your chest with some
help from the clavicular region.
To work your upper pecs (
pectoralis major) you need to change something, a little chest anatomy will
help.
Indeed, in many cases it is likely that performing the push up without additional external load (such as elastic resistance) is unlikely to produce sufficient levels of
pectoralis major EMG amplitude such that the exercise will
help develop muscular strength and size.