Accessory muscle breathing means using muscles other than those typically used for breathing to take in and expel air. One example is the subclavius — between the collarbone and the top rib ...

You have three main chest muscles: pectoralis major, pectoralis minor, and serratus anterior. You also have a subclavius, which is a smaller accessory muscle involved with breathing. The ...

During acromioclavicular (AC) injuries, the subclavius muscle is overused, trying to limit motion at the AC joint. The subclavius simply means under (sub) the clavicle (collar bone). Luckily ...

It is pyramidal in shape. The apex of the pyramid is formed by the first rib, the subclavius muscle, and the collar bone, at the side of the lowest part of the neck. The floor of the axilla is ...

The pectoralis and subclavius muscles are also in intimate association with the distal plexus just past the clavicle. The term "thoracic outlet syndrome" was coined by Peete and colleagues in 1956 ...