If you’ve ever found our data helpful, please take our impact survey (15 min). Your replies will help keep the data flowing to the scientific community.

Take Survey

The pectoralis major is a thick, fan-shaped muscle, situated at the upper front of the chest wall. It makes up the bulk of the chest muscles in the male and lies under the breast in the female. Underneath the pectoralis major is the pectoralis minor, a thin, triangular muscle. [WP,unvetted]. [ http://en.wikipedia.org/wiki/Pectoralis_major_muscle ]

Synonyms: pectoralis major muscle structure pectoralis major muscle

This is just here as a test because I lose it