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 ...

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 ...

The subclavius simply means under (sub) the clavicle (collar bone). Luckily, simple self manual techniques can alleviate an overactive subclavius muscle, improving its strength and helping protect ...